./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d8f19e5f85495da246f7b055515ad1966fa98828 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d8f19e5f85495da246f7b055515ad1966fa98828 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:19:44,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:44,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:44,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:44,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:44,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:44,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:44,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:44,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:44,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:44,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:44,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:44,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:44,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:44,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:44,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:44,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:44,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:44,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:44,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:44,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:44,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:44,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:44,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:44,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:44,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:44,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:44,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:44,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:44,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:44,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:44,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:44,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:44,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:44,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:44,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:44,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:44,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:44,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:44,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:44,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:44,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:19:44,440 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:44,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:44,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:44,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:44,447 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:44,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:44,450 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:44,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:19:44,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:44,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:44,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:44,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:44,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:44,455 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:44,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:44,456 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:44,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:44,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:44,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:44,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:44,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:44,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:44,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:44,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:44,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:44,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:19:44,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:19:44,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:44,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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.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 ! call(__VERIFIER_error())) ) 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 -> d8f19e5f85495da246f7b055515ad1966fa98828 [2019-11-27 09:19:45,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:45,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:45,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:45,078 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:45,082 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:45,083 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c [2019-11-27 09:19:45,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2938897f/d171e2048c7d444096419eb3147efb58/FLAG975585af9 [2019-11-27 09:19:46,261 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:46,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c [2019-11-27 09:19:46,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2938897f/d171e2048c7d444096419eb3147efb58/FLAG975585af9 [2019-11-27 09:19:46,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2938897f/d171e2048c7d444096419eb3147efb58 [2019-11-27 09:19:46,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:46,411 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:46,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:46,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:46,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:46,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:46" (1/1) ... [2019-11-27 09:19:46,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182ffbb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:46, skipping insertion in model container [2019-11-27 09:19:46,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:46" (1/1) ... [2019-11-27 09:19:46,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:46,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:46,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:46,961 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:47,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:47,140 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:47,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:47 WrapperNode [2019-11-27 09:19:47,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:47,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:47,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:47,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:47,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:47" (1/1) ... [2019-11-27 09:19:47,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:47" (1/1) ... [2019-11-27 09:19:47,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:47,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:47,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:47,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:47,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:47" (1/1) ... [2019-11-27 09:19:47,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:47" (1/1) ... [2019-11-27 09:19:47,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:47" (1/1) ... [2019-11-27 09:19:47,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:47" (1/1) ... [2019-11-27 09:19:47,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:47" (1/1) ... [2019-11-27 09:19:47,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:47" (1/1) ... [2019-11-27 09:19:47,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:47" (1/1) ... [2019-11-27 09:19:47,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:47,312 INFO L168 Benchmark]: Toolchain (without parser) took 883.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.2 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:47,314 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:47,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 996.9 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:47,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.95 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:47,321 INFO L168 Benchmark]: Boogie Preprocessor took 67.21 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:47,331 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 731.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 996.9 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 76.95 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 67.21 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:19:51,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:51,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:51,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:51,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:51,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:51,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:51,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:51,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:51,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:51,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:51,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:51,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:51,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:51,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:51,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:51,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:51,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:51,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:51,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:51,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:51,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:51,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:51,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:51,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:51,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:51,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:51,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:51,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:51,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:51,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:51,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:51,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:51,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:51,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:51,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:51,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:51,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:51,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:51,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:51,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:51,240 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:19:51,280 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:51,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:51,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:51,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:51,288 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:51,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:51,288 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:51,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:51,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:51,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:51,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:51,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:51,293 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:19:51,293 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:19:51,293 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:51,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:51,296 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:51,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:51,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:51,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:51,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:51,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:51,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:51,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:51,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:51,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:51,302 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:19:51,303 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:19:51,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:51,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:19:51,305 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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.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 ! call(__VERIFIER_error())) ) 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 -> d8f19e5f85495da246f7b055515ad1966fa98828 [2019-11-27 09:19:51,940 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:51,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:51,977 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:51,981 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:51,984 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:51,986 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c [2019-11-27 09:19:52,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da2ae0f79/883f8f161c394318b0251ae8358fbc00/FLAGb73c956c2 [2019-11-27 09:19:53,149 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:53,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c [2019-11-27 09:19:53,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da2ae0f79/883f8f161c394318b0251ae8358fbc00/FLAGb73c956c2 [2019-11-27 09:19:53,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da2ae0f79/883f8f161c394318b0251ae8358fbc00 [2019-11-27 09:19:53,311 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:53,317 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:53,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:53,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:53,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:53,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:53" (1/1) ... [2019-11-27 09:19:53,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10db85b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:53, skipping insertion in model container [2019-11-27 09:19:53,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:53" (1/1) ... [2019-11-27 09:19:53,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:53,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:53,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:53,906 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:53,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:54,129 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:54,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:54 WrapperNode [2019-11-27 09:19:54,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:54,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:54,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:54,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:54,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:54" (1/1) ... [2019-11-27 09:19:54,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:54" (1/1) ... [2019-11-27 09:19:54,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:54,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:54,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:54,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:54,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:54" (1/1) ... [2019-11-27 09:19:54,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:54" (1/1) ... [2019-11-27 09:19:54,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:54" (1/1) ... [2019-11-27 09:19:54,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:54" (1/1) ... [2019-11-27 09:19:54,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:54" (1/1) ... [2019-11-27 09:19:54,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:54" (1/1) ... [2019-11-27 09:19:54,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:54" (1/1) ... [2019-11-27 09:19:54,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:54,299 INFO L168 Benchmark]: Toolchain (without parser) took 976.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:54,301 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:54,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 811.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:54,312 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.04 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:54,313 INFO L168 Benchmark]: Boogie Preprocessor took 62.35 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:54,331 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 811.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 95.04 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 62.35 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...