./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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_13.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 a4ba7a359047c30b647e3fae146392c1b2eaa08f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_13.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 a4ba7a359047c30b647e3fae146392c1b2eaa08f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 15:41:31,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:31,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:31,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:31,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:31,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:31,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:31,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:31,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:31,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:31,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:31,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:31,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:31,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:31,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:31,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:31,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:31,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:31,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:31,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:31,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:31,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:31,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:31,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:31,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:31,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:31,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:31,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:31,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:31,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:31,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:31,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:31,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:31,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:31,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:31,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:31,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:31,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:31,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:31,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:31,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:31,336 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:41:31,374 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:31,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:31,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:31,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:31,382 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:31,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:31,383 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:31,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:41:31,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:31,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:31,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:31,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:31,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:31,388 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:31,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:31,391 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:31,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:31,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:31,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:31,392 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:31,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:31,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:31,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:31,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:31,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:31,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:41:31,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:41:31,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:31,398 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 -> a4ba7a359047c30b647e3fae146392c1b2eaa08f [2019-11-27 15:41:32,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:32,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:32,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:32,073 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:32,076 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:32,077 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_13.cil.c [2019-11-27 15:41:32,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4b71b483/5c6eecc20e714af094a18e796775cded/FLAG53c892c26 [2019-11-27 15:41:33,356 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:33,361 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_13.cil.c [2019-11-27 15:41:33,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4b71b483/5c6eecc20e714af094a18e796775cded/FLAG53c892c26 [2019-11-27 15:41:33,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4b71b483/5c6eecc20e714af094a18e796775cded [2019-11-27 15:41:33,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:33,447 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:33,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:33,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:33,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:33,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:33" (1/1) ... [2019-11-27 15:41:33,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c99d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:33, skipping insertion in model container [2019-11-27 15:41:33,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:33" (1/1) ... [2019-11-27 15:41:33,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:33,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:34,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:34,347 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:34,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:34,574 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:34,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:34 WrapperNode [2019-11-27 15:41:34,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:34,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:34,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:34,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:34,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:34" (1/1) ... [2019-11-27 15:41:34,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:34" (1/1) ... [2019-11-27 15:41:34,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:34,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:34,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:34,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:34,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:34" (1/1) ... [2019-11-27 15:41:34,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:34" (1/1) ... [2019-11-27 15:41:34,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:34" (1/1) ... [2019-11-27 15:41:34,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:34" (1/1) ... [2019-11-27 15:41:34,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:34" (1/1) ... [2019-11-27 15:41:34,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:34" (1/1) ... [2019-11-27 15:41:34,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:34" (1/1) ... [2019-11-27 15:41:34,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:34,852 INFO L168 Benchmark]: Toolchain (without parser) took 1401.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 983.8 MB in the end (delta: -22.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:34,861 INFO L168 Benchmark]: CDTParser took 2.17 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:34,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1124.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 989.6 MB in the end (delta: -27.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:34,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.01 ms. Allocated memory is still 1.0 GB. Free memory was 989.6 MB in the beginning and 983.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:34,876 INFO L168 Benchmark]: Boogie Preprocessor took 119.25 ms. Allocated memory is still 1.0 GB. Free memory is still 983.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:34,887 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.17 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1124.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 989.6 MB in the end (delta: -27.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 149.01 ms. Allocated memory is still 1.0 GB. Free memory was 989.6 MB in the beginning and 983.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 119.25 ms. Allocated memory is still 1.0 GB. Free memory is still 983.8 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:41:38,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:38,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:38,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:38,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:38,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:38,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:38,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:38,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:38,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:38,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:38,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:38,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:38,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:38,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:38,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:38,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:38,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:38,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:38,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:38,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:38,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:38,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:38,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:38,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:38,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:38,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:38,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:38,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:38,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:38,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:38,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:38,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:38,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:38,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:38,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:38,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:38,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:38,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:38,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:38,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:38,956 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:41:38,997 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:38,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:39,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:39,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:39,006 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:39,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:39,007 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:39,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:39,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:39,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:39,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:39,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:39,011 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:41:39,011 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:41:39,012 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:39,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:39,014 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:39,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:39,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:39,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:39,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:39,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:39,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:39,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:39,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:39,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:39,020 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:41:39,020 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:41:39,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:39,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:41:39,022 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 -> a4ba7a359047c30b647e3fae146392c1b2eaa08f [2019-11-27 15:41:39,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:39,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:39,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:39,621 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:39,621 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:39,623 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_13.cil.c [2019-11-27 15:41:39,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4e8e61e/ee0d0cc3634d48cda7783da7c1998288/FLAGac11da784 [2019-11-27 15:41:40,864 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:40,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_13.cil.c [2019-11-27 15:41:40,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4e8e61e/ee0d0cc3634d48cda7783da7c1998288/FLAGac11da784 [2019-11-27 15:41:41,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4e8e61e/ee0d0cc3634d48cda7783da7c1998288 [2019-11-27 15:41:41,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:41,059 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:41,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:41,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:41,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:41,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:41,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f65d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41, skipping insertion in model container [2019-11-27 15:41:41,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:41,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:41,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:41,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:41,976 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:42,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:42,207 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:42,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42 WrapperNode [2019-11-27 15:41:42,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:42,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:42,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:42,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:42,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:42,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:42,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:42,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:42,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:42,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:42,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:42,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:42,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:42,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:42,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:42,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:42,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:42,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:42,487 INFO L168 Benchmark]: Toolchain (without parser) took 1420.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:42,488 INFO L168 Benchmark]: CDTParser took 3.13 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:42,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1143.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:42,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.23 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:42,500 INFO L168 Benchmark]: Boogie Preprocessor took 124.00 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:42,515 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.13 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1143.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 143.23 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 124.00 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.5 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...