./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_7.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_7.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 bde6b0d7476cc0073434242dc88ffbb328415efe ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_7.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 bde6b0d7476cc0073434242dc88ffbb328415efe ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:41:40,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:40,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:40,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:40,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:40,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:40,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:40,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:40,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:40,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:40,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:40,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:40,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:40,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:40,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:40,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:40,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:40,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:40,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:40,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:40,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:40,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:40,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:40,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:40,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:40,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:40,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:40,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:40,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:40,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:40,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:40,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:40,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:40,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:40,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:40,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:40,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:40,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:40,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:40,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:40,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:40,483 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:41:40,510 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:40,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:40,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:40,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:40,515 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:40,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:40,515 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:40,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:41:40,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:40,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:40,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:40,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:40,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:40,520 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:40,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:40,520 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:40,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:40,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:40,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:40,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:40,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:40,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:40,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:40,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:40,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:40,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:41:40,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:41:40,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:40,525 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 -> bde6b0d7476cc0073434242dc88ffbb328415efe [2019-11-27 15:41:40,960 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:40,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:40,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:40,986 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:40,986 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:40,987 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_7.cil.c [2019-11-27 15:41:41,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32a0842bb/10ab1b96b12b40a69b5a521987b12cb8/FLAGc181a31f7 [2019-11-27 15:41:41,888 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:41,893 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_7.cil.c [2019-11-27 15:41:41,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32a0842bb/10ab1b96b12b40a69b5a521987b12cb8/FLAGc181a31f7 [2019-11-27 15:41:42,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32a0842bb/10ab1b96b12b40a69b5a521987b12cb8 [2019-11-27 15:41:42,122 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:42,126 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:42,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:42,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:42,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:42,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:42,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db1c4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42, skipping insertion in model container [2019-11-27 15:41:42,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:42,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:42,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:42,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:42,819 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:42,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:42,954 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:42,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42 WrapperNode [2019-11-27 15:41:42,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:42,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:42,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:42,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:42,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:43,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:43,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:43,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:43,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:43,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:43,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:43,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:43,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:43,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:43,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:43,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:43,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:42" (1/1) ... [2019-11-27 15:41:43,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:43,175 INFO L168 Benchmark]: Toolchain (without parser) took 1041.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.2 MB in the end (delta: -22.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:43,175 INFO L168 Benchmark]: CDTParser took 2.63 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 15:41:43,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 827.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:43,192 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.42 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 15:41:43,193 INFO L168 Benchmark]: Boogie Preprocessor took 79.08 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 15:41:43,201 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.63 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 827.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 124.42 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 79.08 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 15:41:45,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:45,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:45,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:45,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:45,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:45,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:45,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:45,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:45,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:45,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:45,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:45,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:45,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:45,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:45,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:45,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:45,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:45,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:45,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:45,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:45,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:45,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:45,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:45,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:45,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:45,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:45,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:45,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:45,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:45,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:45,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:45,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:45,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:45,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:45,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:45,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:45,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:45,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:45,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:45,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:45,973 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:41:46,001 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:46,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:46,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:46,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:46,005 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:46,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:46,007 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:46,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:46,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:46,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:46,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:46,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:46,009 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:41:46,011 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:41:46,011 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:46,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:46,012 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:46,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:46,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:46,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:46,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:46,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:46,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:46,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:46,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:46,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:46,017 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:41:46,017 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:41:46,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:46,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:41:46,018 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 -> bde6b0d7476cc0073434242dc88ffbb328415efe [2019-11-27 15:41:46,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:46,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:46,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:46,417 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:46,418 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:46,419 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_7.cil.c [2019-11-27 15:41:46,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c377c1104/25384ff0dbd74421acebf17f43c59717/FLAG9445811f5 [2019-11-27 15:41:47,293 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:47,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_7.cil.c [2019-11-27 15:41:47,323 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c377c1104/25384ff0dbd74421acebf17f43c59717/FLAG9445811f5 [2019-11-27 15:41:47,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c377c1104/25384ff0dbd74421acebf17f43c59717 [2019-11-27 15:41:47,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:47,568 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:47,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:47,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:47,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:47,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:47" (1/1) ... [2019-11-27 15:41:47,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@83feb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:47, skipping insertion in model container [2019-11-27 15:41:47,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:47" (1/1) ... [2019-11-27 15:41:47,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:47,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:48,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:48,203 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:48,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:48,354 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:48,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:48 WrapperNode [2019-11-27 15:41:48,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:48,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:48,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:48,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:48,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:48" (1/1) ... [2019-11-27 15:41:48,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:48" (1/1) ... [2019-11-27 15:41:48,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:48,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:48,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:48,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:48,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:48" (1/1) ... [2019-11-27 15:41:48,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:48" (1/1) ... [2019-11-27 15:41:48,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:48" (1/1) ... [2019-11-27 15:41:48,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:48" (1/1) ... [2019-11-27 15:41:48,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:48" (1/1) ... [2019-11-27 15:41:48,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:48" (1/1) ... [2019-11-27 15:41:48,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:48" (1/1) ... [2019-11-27 15:41:48,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:48,546 INFO L168 Benchmark]: Toolchain (without parser) took 976.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.6 MB in the end (delta: -16.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:48,547 INFO L168 Benchmark]: CDTParser took 0.23 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 15:41:48,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:48,550 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.56 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:48,555 INFO L168 Benchmark]: Boogie Preprocessor took 87.42 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:48,567 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 783.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 98.56 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 87.42 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.6 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...