./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_8.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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_8.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 41b53a8be36a107d9ce8e745364368cfe44e748b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_8.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 41b53a8be36a107d9ce8e745364368cfe44e748b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:24:45,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:24:45,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:24:45,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:24:45,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:24:45,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:24:45,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:24:45,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:24:45,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:24:45,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:24:45,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:24:45,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:24:45,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:24:45,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:24:45,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:24:45,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:24:45,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:24:45,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:24:45,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:24:45,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:24:45,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:24:45,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:24:45,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:24:45,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:24:45,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:24:45,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:24:45,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:24:45,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:24:45,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:24:45,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:24:45,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:24:45,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:24:45,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:24:45,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:24:45,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:24:45,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:24:45,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:24:45,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:24:45,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:24:45,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:24:45,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:24:45,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:24:45,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:24:45,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:24:45,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:24:45,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:24:45,491 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:24:45,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:24:45,492 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:24:45,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:24:45,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:24:45,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:24:45,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:24:45,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:24:45,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:24:45,498 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:24:45,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:24:45,498 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:24:45,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:24:45,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:24:45,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:24:45,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:24:45,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:24:45,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:24:45,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:24:45,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:24:45,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:24:45,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:24:45,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:24:45,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:24:45,505 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 -> 41b53a8be36a107d9ce8e745364368cfe44e748b [2019-11-25 22:24:46,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:24:46,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:24:46,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:24:46,158 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:24:46,159 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:24:46,161 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_8.cil.c [2019-11-25 22:24:46,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c06de4db3/c03a8e6b507e4d8f8d99963531aa9665/FLAG4d511da55 [2019-11-25 22:24:47,427 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:24:47,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_8.cil.c [2019-11-25 22:24:47,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c06de4db3/c03a8e6b507e4d8f8d99963531aa9665/FLAG4d511da55 [2019-11-25 22:24:47,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c06de4db3/c03a8e6b507e4d8f8d99963531aa9665 [2019-11-25 22:24:47,519 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:24:47,523 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:24:47,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:47,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:24:47,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:24:47,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:47" (1/1) ... [2019-11-25 22:24:47,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c99d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:47, skipping insertion in model container [2019-11-25 22:24:47,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:47" (1/1) ... [2019-11-25 22:24:47,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:24:47,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:24:48,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:48,454 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:24:48,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:48,681 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:24:48,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:48 WrapperNode [2019-11-25 22:24:48,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:48,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:48,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:24:48,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:24:48,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:48" (1/1) ... [2019-11-25 22:24:48,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:48" (1/1) ... [2019-11-25 22:24:48,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:48,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:24:48,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:24:48,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:24:48,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:48" (1/1) ... [2019-11-25 22:24:48,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:48" (1/1) ... [2019-11-25 22:24:48,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:48" (1/1) ... [2019-11-25 22:24:48,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:48" (1/1) ... [2019-11-25 22:24:48,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:48" (1/1) ... [2019-11-25 22:24:48,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:48" (1/1) ... [2019-11-25 22:24:48,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:48" (1/1) ... [2019-11-25 22:24:48,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:24:48,952 INFO L168 Benchmark]: Toolchain (without parser) took 1417.11 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 979.5 MB in the end (delta: -17.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:24:48,959 INFO L168 Benchmark]: CDTParser took 1.94 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. [2019-11-25 22:24:48,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1157.57 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 985.2 MB in the end (delta: -23.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:48,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.22 ms. Allocated memory is still 1.0 GB. Free memory was 985.2 MB in the beginning and 979.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:48,966 INFO L168 Benchmark]: Boogie Preprocessor took 106.60 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:24:48,978 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.94 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 1157.57 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 985.2 MB in the end (delta: -23.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 144.22 ms. Allocated memory is still 1.0 GB. Free memory was 985.2 MB in the beginning and 979.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 106.60 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 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 0.1.24-65d6cd2 [2019-11-25 22:24:52,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:24:52,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:24:52,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:24:52,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:24:52,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:24:52,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:24:52,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:24:52,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:24:52,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:24:52,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:24:52,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:24:52,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:24:52,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:24:52,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:24:52,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:24:52,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:24:52,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:24:52,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:24:52,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:24:52,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:24:52,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:24:52,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:24:52,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:24:52,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:24:52,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:24:52,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:24:52,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:24:52,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:24:52,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:24:52,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:24:52,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:24:52,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:24:52,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:24:52,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:24:52,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:24:52,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:24:52,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:24:52,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:24:53,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:24:53,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:24:53,005 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:24:53,044 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:24:53,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:24:53,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:24:53,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:24:53,049 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:24:53,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:24:53,051 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:24:53,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:24:53,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:24:53,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:24:53,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:24:53,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:24:53,056 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:24:53,057 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:24:53,057 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:24:53,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:24:53,058 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:24:53,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:24:53,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:24:53,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:24:53,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:24:53,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:24:53,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:24:53,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:24:53,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:24:53,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:24:53,062 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:24:53,064 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:24:53,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:24:53,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:24:53,066 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 -> 41b53a8be36a107d9ce8e745364368cfe44e748b [2019-11-25 22:24:53,636 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:24:53,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:24:53,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:24:53,677 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:24:53,680 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:24:53,682 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_8.cil.c [2019-11-25 22:24:53,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ab0c9bb8/e6a6ff5ea3e04dc88de4dfbd35fd9c79/FLAGb4e94d594 [2019-11-25 22:24:55,005 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:24:55,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_8.cil.c [2019-11-25 22:24:55,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ab0c9bb8/e6a6ff5ea3e04dc88de4dfbd35fd9c79/FLAGb4e94d594 [2019-11-25 22:24:55,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ab0c9bb8/e6a6ff5ea3e04dc88de4dfbd35fd9c79 [2019-11-25 22:24:55,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:24:55,099 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:24:55,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:55,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:24:55,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:24:55,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:55" (1/1) ... [2019-11-25 22:24:55,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c99d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:55, skipping insertion in model container [2019-11-25 22:24:55,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:55" (1/1) ... [2019-11-25 22:24:55,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:24:55,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:24:55,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:55,965 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:24:56,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:56,182 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:24:56,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:56 WrapperNode [2019-11-25 22:24:56,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:56,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:56,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:24:56,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:24:56,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:56" (1/1) ... [2019-11-25 22:24:56,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:56" (1/1) ... [2019-11-25 22:24:56,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:56,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:24:56,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:24:56,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:24:56,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:56" (1/1) ... [2019-11-25 22:24:56,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:56" (1/1) ... [2019-11-25 22:24:56,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:56" (1/1) ... [2019-11-25 22:24:56,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:56" (1/1) ... [2019-11-25 22:24:56,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:56" (1/1) ... [2019-11-25 22:24:56,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:56" (1/1) ... [2019-11-25 22:24:56,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:56" (1/1) ... [2019-11-25 22:24:56,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:24:56,488 INFO L168 Benchmark]: Toolchain (without parser) took 1386.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-25 22:24:56,490 INFO L168 Benchmark]: CDTParser took 1.15 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. [2019-11-25 22:24:56,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1081.56 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 984.3 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:56,496 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.23 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:24:56,498 INFO L168 Benchmark]: Boogie Preprocessor took 143.92 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:56,506 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15 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 1081.56 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 984.3 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 151.23 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 143.92 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...