./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 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_6.cil-2.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 d185ab1ac3c2866612625e708760770f0bfadaee .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:00:05,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:00:05,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:00:05,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:00:05,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:00:05,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:00:05,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:00:05,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:00:05,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:00:05,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:00:05,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:00:05,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:00:05,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:00:05,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:00:05,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:00:05,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:00:05,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:00:05,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:00:05,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:00:05,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:00:05,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:00:05,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:00:05,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:00:05,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:00:05,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:00:05,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:00:05,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:00:05,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:00:05,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:00:05,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:00:05,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:00:05,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:00:05,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:00:05,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:00:05,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:00:05,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:00:05,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:00:05,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:00:05,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:00:05,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:00:05,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:00:05,885 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:00:05,924 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:00:05,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:00:05,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:00:05,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:00:05,932 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:00:05,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:00:05,933 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:00:05,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:00:05,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:00:05,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:00:05,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:00:05,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:00:05,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:00:05,935 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:00:05,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:00:05,936 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:00:05,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:00:05,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:00:05,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:00:05,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:00:05,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:00:05,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:00:05,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:00:05,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:00:05,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:00:05,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:00:05,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:00:05,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:00:05,940 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 -> d185ab1ac3c2866612625e708760770f0bfadaee [2019-11-16 21:00:06,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:00:06,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:00:06,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:00:06,494 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:00:06,495 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:00:06,496 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c [2019-11-16 21:00:06,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63f7277e/13b35b0f8bd1468a997dae102791c507/FLAG4223e00f8 [2019-11-16 21:00:07,708 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:00:07,709 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c [2019-11-16 21:00:07,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63f7277e/13b35b0f8bd1468a997dae102791c507/FLAG4223e00f8 [2019-11-16 21:00:07,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63f7277e/13b35b0f8bd1468a997dae102791c507 [2019-11-16 21:00:07,819 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:00:07,823 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:00:07,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:00:07,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:00:07,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:00:07,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:00:07" (1/1) ... [2019-11-16 21:00:07,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f20680e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:07, skipping insertion in model container [2019-11-16 21:00:07,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:00:07" (1/1) ... [2019-11-16 21:00:07,867 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:00:07,973 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:00:08,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:00:08,628 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:00:08,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:00:08,948 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:00:08,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:08 WrapperNode [2019-11-16 21:00:08,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:00:08,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:00:08,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:00:08,951 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:00:08,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:08" (1/1) ... [2019-11-16 21:00:08,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:08" (1/1) ... [2019-11-16 21:00:09,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:00:09,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:00:09,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:00:09,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:00:09,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:08" (1/1) ... [2019-11-16 21:00:09,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:08" (1/1) ... [2019-11-16 21:00:09,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:08" (1/1) ... [2019-11-16 21:00:09,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:08" (1/1) ... [2019-11-16 21:00:09,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:08" (1/1) ... [2019-11-16 21:00:09,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:08" (1/1) ... [2019-11-16 21:00:09,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:08" (1/1) ... [2019-11-16 21:00:09,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:00:09,221 INFO L168 Benchmark]: Toolchain (without parser) took 1390.95 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 983.8 MB in the end (delta: -23.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:00:09,222 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-16 21:00:09,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1118.54 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 989.6 MB in the end (delta: -29.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-16 21:00:09,239 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.82 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. [2019-11-16 21:00:09,241 INFO L168 Benchmark]: Boogie Preprocessor took 112.11 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. [2019-11-16 21:00:09,252 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 1118.54 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 989.6 MB in the end (delta: -29.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 148.82 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 112.11 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...