./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_2.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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_2.cil-1.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 28eb30d9833654ceca3228385af91acd247ea794 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_2.cil-1.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 28eb30d9833654ceca3228385af91acd247ea794 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 20:38:38,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:38:38,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:38:38,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:38:38,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:38:38,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:38:38,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:38:38,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:38:38,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:38:38,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:38:38,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:38:38,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:38:38,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:38:38,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:38:38,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:38:38,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:38:38,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:38:38,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:38:38,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:38:38,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:38:38,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:38:38,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:38:38,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:38:38,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:38:38,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:38:38,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:38:38,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:38:38,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:38:38,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:38:38,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:38:38,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:38:38,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:38:38,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:38:38,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:38:38,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:38:38,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:38:38,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:38:38,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:38:38,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:38:38,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:38:38,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:38:38,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:38:38,826 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:38:38,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:38:38,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:38:38,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:38:38,832 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:38:38,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:38:38,833 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:38:38,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:38:38,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:38:38,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:38:38,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:38:38,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:38:38,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:38:38,838 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:38:38,838 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:38:38,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:38:38,838 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:38:38,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:38:38,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:38:38,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:38:38,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:38:38,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:38:38,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:38:38,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:38:38,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:38:38,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:38:38,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:38:38,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:38:38,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:38:38,844 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 -> 28eb30d9833654ceca3228385af91acd247ea794 [2019-11-24 20:38:39,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:38:39,333 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:38:39,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:38:39,342 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:38:39,346 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:38:39,347 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_2.cil-1.c [2019-11-24 20:38:39,454 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9a1e814/0f0ca9ae04bc43438d6e84c6973ba44f/FLAG7d3b5abe4 [2019-11-24 20:38:40,236 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:38:40,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_2.cil-1.c [2019-11-24 20:38:40,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9a1e814/0f0ca9ae04bc43438d6e84c6973ba44f/FLAG7d3b5abe4 [2019-11-24 20:38:40,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9a1e814/0f0ca9ae04bc43438d6e84c6973ba44f [2019-11-24 20:38:40,500 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:38:40,503 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:38:40,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:40,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:38:40,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:38:40,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:40" (1/1) ... [2019-11-24 20:38:40,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a61c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:40, skipping insertion in model container [2019-11-24 20:38:40,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:40" (1/1) ... [2019-11-24 20:38:40,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:38:40,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:38:41,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:41,142 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:38:41,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:41,279 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:38:41,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41 WrapperNode [2019-11-24 20:38:41,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:41,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:41,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:38:41,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:38:41,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41" (1/1) ... [2019-11-24 20:38:41,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41" (1/1) ... [2019-11-24 20:38:41,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:41,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:38:41,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:38:41,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:38:41,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41" (1/1) ... [2019-11-24 20:38:41,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41" (1/1) ... [2019-11-24 20:38:41,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41" (1/1) ... [2019-11-24 20:38:41,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41" (1/1) ... [2019-11-24 20:38:41,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41" (1/1) ... [2019-11-24 20:38:41,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41" (1/1) ... [2019-11-24 20:38:41,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41" (1/1) ... [2019-11-24 20:38:41,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:38:41,484 INFO L168 Benchmark]: Toolchain (without parser) took 978.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 984.3 MB in the end (delta: -24.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:41,498 INFO L168 Benchmark]: CDTParser took 0.58 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. [2019-11-24 20:38:41,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 984.3 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:41,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.02 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. [2019-11-24 20:38:41,504 INFO L168 Benchmark]: Boogie Preprocessor took 74.17 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. [2019-11-24 20:38:41,510 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 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 771.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 984.3 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 119.02 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 74.17 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 20:38:44,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:38:44,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:38:44,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:38:44,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:38:44,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:38:44,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:38:44,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:38:44,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:38:44,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:38:44,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:38:44,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:38:44,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:38:44,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:38:44,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:38:44,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:38:44,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:38:44,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:38:44,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:38:44,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:38:44,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:38:44,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:38:44,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:38:44,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:38:44,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:38:44,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:38:44,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:38:44,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:38:44,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:38:44,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:38:44,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:38:44,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:38:44,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:38:44,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:38:44,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:38:44,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:38:44,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:38:44,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:38:44,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:38:44,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:38:44,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:38:44,408 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:38:44,439 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:38:44,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:38:44,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:38:44,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:38:44,445 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:38:44,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:38:44,445 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:38:44,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:38:44,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:38:44,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:38:44,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:38:44,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:38:44,447 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:38:44,448 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:38:44,448 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:38:44,450 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:38:44,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:38:44,450 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:38:44,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:38:44,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:38:44,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:38:44,451 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:38:44,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:38:44,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:38:44,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:38:44,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:38:44,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:38:44,454 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:38:44,455 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:38:44,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:38:44,456 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:38:44,456 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 -> 28eb30d9833654ceca3228385af91acd247ea794 [2019-11-24 20:38:44,899 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:38:44,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:38:44,922 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:38:44,924 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:38:44,926 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:38:44,927 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_2.cil-1.c [2019-11-24 20:38:45,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78fbd3d80/f1d1ebc893fe426da08499c93148c0fb/FLAG9b63e07db [2019-11-24 20:38:45,828 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:38:45,829 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_2.cil-1.c [2019-11-24 20:38:45,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78fbd3d80/f1d1ebc893fe426da08499c93148c0fb/FLAG9b63e07db [2019-11-24 20:38:46,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78fbd3d80/f1d1ebc893fe426da08499c93148c0fb [2019-11-24 20:38:46,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:38:46,103 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:38:46,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:46,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:38:46,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:38:46,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:46,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ba7315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46, skipping insertion in model container [2019-11-24 20:38:46,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:46,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:38:46,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:38:46,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:46,773 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:38:46,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:46,923 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:38:46,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46 WrapperNode [2019-11-24 20:38:46,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:46,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:46,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:38:46,927 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:38:46,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:46,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:47,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:47,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:38:47,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:38:47,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:38:47,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:47,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:47,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:47,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:47,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:47,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:47,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:47,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:38:47,118 INFO L168 Benchmark]: Toolchain (without parser) took 1014.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.6 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:47,120 INFO L168 Benchmark]: CDTParser took 0.22 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. [2019-11-24 20:38:47,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.6 MB in the end (delta: -25.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:47,122 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.95 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:47,123 INFO L168 Benchmark]: Boogie Preprocessor took 91.51 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:47,133 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 815.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.6 MB in the end (delta: -25.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 96.95 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 91.51 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 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...