./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_3.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_3.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 04e0282fb07d3e422f01aa279aee523182698ba7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_3.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 04e0282fb07d3e422f01aa279aee523182698ba7 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:41:37,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:37,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:37,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:37,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:37,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:37,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:37,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:37,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:37,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:37,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:37,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:37,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:37,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:37,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:37,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:37,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:37,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:37,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:37,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:37,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:37,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:37,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:37,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:38,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:38,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:38,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:38,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:38,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:38,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:38,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:38,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:38,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:38,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:38,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:38,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:38,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:38,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:38,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:38,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:38,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:38,026 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:41:38,056 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:38,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:38,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:38,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:38,060 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:38,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:38,060 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:38,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:41:38,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:38,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:38,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:38,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:38,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:38,065 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:38,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:38,065 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:38,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:38,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:38,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:38,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:38,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:38,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:38,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:38,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:38,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:38,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:41:38,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:41:38,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:38,071 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 -> 04e0282fb07d3e422f01aa279aee523182698ba7 [2019-11-27 15:41:38,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:38,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:38,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:38,549 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:38,551 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:38,552 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_3.cil.c [2019-11-27 15:41:38,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f268aa3ce/57d8c3e624cb42018b2f411e1931f42e/FLAG781151bf9 [2019-11-27 15:41:39,428 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:39,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_3.cil.c [2019-11-27 15:41:39,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f268aa3ce/57d8c3e624cb42018b2f411e1931f42e/FLAG781151bf9 [2019-11-27 15:41:39,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f268aa3ce/57d8c3e624cb42018b2f411e1931f42e [2019-11-27 15:41:39,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:39,704 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:39,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:39,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:39,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:39,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:39" (1/1) ... [2019-11-27 15:41:39,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ba7315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:39, skipping insertion in model container [2019-11-27 15:41:39,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:39" (1/1) ... [2019-11-27 15:41:39,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:39,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:40,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:40,343 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:40,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:40,504 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:40,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:40 WrapperNode [2019-11-27 15:41:40,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:40,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:40,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:40,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:40,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:40" (1/1) ... [2019-11-27 15:41:40,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:40" (1/1) ... [2019-11-27 15:41:40,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:40,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:40,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:40,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:40,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:40" (1/1) ... [2019-11-27 15:41:40,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:40" (1/1) ... [2019-11-27 15:41:40,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:40" (1/1) ... [2019-11-27 15:41:40,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:40" (1/1) ... [2019-11-27 15:41:40,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:40" (1/1) ... [2019-11-27 15:41:40,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:40" (1/1) ... [2019-11-27 15:41:40,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:40" (1/1) ... [2019-11-27 15:41:40,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:40,694 INFO L168 Benchmark]: Toolchain (without parser) took 983.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 984.2 MB in the end (delta: -24.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:40,695 INFO L168 Benchmark]: CDTParser took 0.48 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 15:41:40,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 796.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 984.2 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:40,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.30 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:40,710 INFO L168 Benchmark]: Boogie Preprocessor took 65.34 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:40,719 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 796.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 984.2 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 109.30 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 65.34 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:41:43,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:43,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:43,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:43,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:43,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:43,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:43,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:43,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:43,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:43,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:43,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:43,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:43,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:43,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:43,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:43,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:43,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:43,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:43,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:43,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:43,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:43,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:43,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:43,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:43,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:43,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:43,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:43,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:43,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:43,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:43,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:43,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:43,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:43,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:43,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:43,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:43,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:43,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:43,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:43,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:43,514 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:41:43,545 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:43,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:43,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:43,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:43,549 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:43,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:43,553 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:43,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:43,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:43,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:43,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:43,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:43,555 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:41:43,555 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:41:43,556 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:43,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:43,556 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:43,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:43,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:43,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:43,557 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:43,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:43,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:43,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:43,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:43,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:43,561 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:41:43,561 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:41:43,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:43,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:41:43,563 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 -> 04e0282fb07d3e422f01aa279aee523182698ba7 [2019-11-27 15:41:43,960 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:43,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:43,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:43,989 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:43,989 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:43,990 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_3.cil.c [2019-11-27 15:41:44,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dadc8ab24/4af0dbe30da246c88a7bc119dae18d84/FLAGfeff15a3d [2019-11-27 15:41:44,866 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:44,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_3.cil.c [2019-11-27 15:41:44,891 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dadc8ab24/4af0dbe30da246c88a7bc119dae18d84/FLAGfeff15a3d [2019-11-27 15:41:45,126 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dadc8ab24/4af0dbe30da246c88a7bc119dae18d84 [2019-11-27 15:41:45,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:45,139 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:45,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:45,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:45,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:45,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a61c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45, skipping insertion in model container [2019-11-27 15:41:45,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:45,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:45,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:45,762 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:45,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:45,919 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:45,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45 WrapperNode [2019-11-27 15:41:45,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:45,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:45,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:45,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:45,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:46,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:46,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:46,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:46,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:46,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:46,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:46,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:46,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:46,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:46,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:46,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:46,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:46,116 INFO L168 Benchmark]: Toolchain (without parser) took 970.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 980.0 MB in the end (delta: -19.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:46,118 INFO L168 Benchmark]: CDTParser took 1.56 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 15:41:46,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.7 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:46,120 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.41 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:46,120 INFO L168 Benchmark]: Boogie Preprocessor took 83.36 ms. Allocated memory is still 1.0 GB. Free memory was 985.7 MB in the beginning and 980.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:46,134 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.56 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 777.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.7 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 98.41 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 83.36 ms. Allocated memory is still 1.0 GB. Free memory was 985.7 MB in the beginning and 980.0 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...