./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_10.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_10.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 221038eb3d852e675138331615da45f0057866c6 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_10.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 221038eb3d852e675138331615da45f0057866c6 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:41:30,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:30,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:30,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:30,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:30,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:30,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:30,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:30,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:30,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:30,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:30,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:30,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:30,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:30,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:30,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:30,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:30,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:30,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:30,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:30,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:30,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:30,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:30,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:30,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:30,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:30,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:30,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:30,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:30,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:30,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:30,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:30,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:30,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:30,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:30,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:30,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:30,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:30,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:30,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:30,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:30,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:41:30,901 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:30,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:30,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:30,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:30,907 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:30,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:30,910 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:30,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:41:30,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:30,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:30,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:30,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:30,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:30,915 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:30,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:30,916 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:30,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:30,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:30,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:30,917 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:30,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:30,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:30,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:30,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:30,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:30,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:41:30,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:41:30,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:30,923 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 -> 221038eb3d852e675138331615da45f0057866c6 [2019-11-27 15:41:31,589 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:31,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:31,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:31,630 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:31,631 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:31,632 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_10.cil.c [2019-11-27 15:41:31,794 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b96fa1690/3c76c608928c4cbbb5cb43f1a0d1c677/FLAG6da93ca44 [2019-11-27 15:41:32,952 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:32,957 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_10.cil.c [2019-11-27 15:41:32,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b96fa1690/3c76c608928c4cbbb5cb43f1a0d1c677/FLAG6da93ca44 [2019-11-27 15:41:33,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b96fa1690/3c76c608928c4cbbb5cb43f1a0d1c677 [2019-11-27 15:41:33,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:33,048 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:33,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:33,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:33,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:33,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:33" (1/1) ... [2019-11-27 15:41:33,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc750d5 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 15:41:33,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:33" (1/1) ... [2019-11-27 15:41:33,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:33,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:33,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:33,968 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:34,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:34,192 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:34,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:34 WrapperNode [2019-11-27 15:41:34,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:34,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:34,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:34,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:34,219 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 15:41:34,258 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 15:41:34,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:34,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:34,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:34,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:34,400 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 15:41:34,401 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 15:41:34,409 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 15:41:34,411 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 15:41:34,436 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 15:41:34,458 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 15:41:34,464 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 15:41:34,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:34,481 INFO L168 Benchmark]: Toolchain (without parser) took 1429.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 983.9 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:34,499 INFO L168 Benchmark]: CDTParser took 1.79 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:34,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1145.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 989.6 MB in the end (delta: -22.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:34,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 177.78 ms. Allocated memory is still 1.0 GB. Free memory was 989.6 MB in the beginning and 983.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:34,505 INFO L168 Benchmark]: Boogie Preprocessor took 97.66 ms. Allocated memory is still 1.0 GB. Free memory is still 983.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:34,513 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.79 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1145.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 989.6 MB in the end (delta: -22.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 177.78 ms. Allocated memory is still 1.0 GB. Free memory was 989.6 MB in the beginning and 983.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 97.66 ms. Allocated memory is still 1.0 GB. Free memory is still 983.9 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 15:41:38,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:38,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:38,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:38,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:38,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:38,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:38,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:38,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:38,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:38,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:38,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:38,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:38,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:38,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:38,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:38,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:38,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:38,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:38,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:38,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:38,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:38,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:38,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:38,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:38,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:38,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:38,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:38,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:38,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:38,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:38,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:38,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:38,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:38,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:38,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:38,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:38,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:38,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:38,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:38,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:38,573 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:41:38,615 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:38,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:38,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:38,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:38,624 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:38,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:38,625 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:38,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:38,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:38,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:38,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:38,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:38,631 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:41:38,632 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:41:38,632 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:38,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:38,635 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:38,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:38,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:38,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:38,637 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:38,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:38,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:38,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:38,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:38,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:38,640 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:41:38,641 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:41:38,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:38,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:41:38,644 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 -> 221038eb3d852e675138331615da45f0057866c6 [2019-11-27 15:41:39,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:39,314 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:39,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:39,325 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:39,328 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:39,330 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_10.cil.c [2019-11-27 15:41:39,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc957a1fc/12f53a0e5c42491886b974c927313524/FLAGa1bd940a4 [2019-11-27 15:41:40,625 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:40,629 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_10.cil.c [2019-11-27 15:41:40,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc957a1fc/12f53a0e5c42491886b974c927313524/FLAGa1bd940a4 [2019-11-27 15:41:40,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc957a1fc/12f53a0e5c42491886b974c927313524 [2019-11-27 15:41:40,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:40,721 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:40,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:40,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:40,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:40,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:40" (1/1) ... [2019-11-27 15:41:40,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c001282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:40, skipping insertion in model container [2019-11-27 15:41:40,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:40" (1/1) ... [2019-11-27 15:41:40,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:40,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:41,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:41,590 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:41,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:41,788 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:41,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41 WrapperNode [2019-11-27 15:41:41,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:41,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:41,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:41,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:41,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:41,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:41,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:41,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:41,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:41,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:41,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:41,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:41,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:41,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:41,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:42,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:42,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:42,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:42,057 INFO L168 Benchmark]: Toolchain (without parser) took 1335.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.5 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:42,062 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:42,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1064.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 984.2 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:42,066 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.71 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 15:41:42,067 INFO L168 Benchmark]: Boogie Preprocessor took 124.92 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 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 15:41:42,083 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1064.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 984.2 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 135.71 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 124.92 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 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...