./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_clnt_2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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_clnt_2.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d33dcc608b21d2bdbfa0a947775d4e23b857cf07 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_clnt_2.cil-2.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 d33dcc608b21d2bdbfa0a947775d4e23b857cf07 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:19:41,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:41,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:41,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:41,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:41,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:41,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:41,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:41,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:41,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:41,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:41,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:41,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:41,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:41,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:41,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:41,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:41,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:41,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:41,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:41,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:41,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:41,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:41,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:41,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:41,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:41,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:41,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:41,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:41,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:41,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:41,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:41,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:41,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:41,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:41,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:41,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:41,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:41,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:41,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:41,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:41,250 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:19:41,292 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:41,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:41,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:41,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:41,299 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:41,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:41,300 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:41,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:19:41,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:41,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:41,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:41,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:41,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:41,306 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:41,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:41,307 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:41,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:41,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:41,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:41,311 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:41,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:41,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:41,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:41,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:41,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:41,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:19:41,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:19:41,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:41,314 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 -> d33dcc608b21d2bdbfa0a947775d4e23b857cf07 [2019-11-27 09:19:41,960 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:41,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:41,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:41,998 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:42,002 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:42,003 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_clnt_2.cil-2.c [2019-11-27 09:19:42,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90e5e7068/8b813a4e076b469e8269b6855f9d7951/FLAG918cfbb53 [2019-11-27 09:19:43,272 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:43,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_clnt_2.cil-2.c [2019-11-27 09:19:43,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90e5e7068/8b813a4e076b469e8269b6855f9d7951/FLAG918cfbb53 [2019-11-27 09:19:43,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90e5e7068/8b813a4e076b469e8269b6855f9d7951 [2019-11-27 09:19:43,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:43,833 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:43,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:43,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:43,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:43,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:43" (1/1) ... [2019-11-27 09:19:43,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8eb7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:43, skipping insertion in model container [2019-11-27 09:19:43,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:43" (1/1) ... [2019-11-27 09:19:43,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:43,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:44,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:44,726 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:44,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:44,924 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:44,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:44 WrapperNode [2019-11-27 09:19:44,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:44,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:44,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:44,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:44,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:44" (1/1) ... [2019-11-27 09:19:44,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:44" (1/1) ... [2019-11-27 09:19:45,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:45,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:45,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:45,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:45,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:44" (1/1) ... [2019-11-27 09:19:45,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:44" (1/1) ... [2019-11-27 09:19:45,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:44" (1/1) ... [2019-11-27 09:19:45,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:44" (1/1) ... [2019-11-27 09:19:45,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:44" (1/1) ... [2019-11-27 09:19:45,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:44" (1/1) ... [2019-11-27 09:19:45,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:44" (1/1) ... [2019-11-27 09:19:45,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:45,223 INFO L168 Benchmark]: Toolchain (without parser) took 1376.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 984.0 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:45,231 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:45,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1083.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 989.7 MB in the end (delta: -23.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:45,237 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.43 ms. Allocated memory is still 1.0 GB. Free memory was 989.7 MB in the beginning and 984.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:45,241 INFO L168 Benchmark]: Boogie Preprocessor took 97.88 ms. Allocated memory is still 1.0 GB. Free memory is still 984.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:45,250 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1083.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 989.7 MB in the end (delta: -23.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 175.43 ms. Allocated memory is still 1.0 GB. Free memory was 989.7 MB in the beginning and 984.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 97.88 ms. Allocated memory is still 1.0 GB. Free memory is still 984.0 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-da95e15 [2019-11-27 09:19:49,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:49,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:49,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:49,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:49,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:49,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:49,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:49,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:49,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:49,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:49,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:49,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:49,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:49,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:49,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:49,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:49,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:49,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:49,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:49,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:49,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:49,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:49,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:49,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:49,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:49,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:49,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:49,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:49,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:49,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:49,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:49,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:49,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:49,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:49,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:49,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:49,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:49,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:49,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:49,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:49,273 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:19:49,314 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:49,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:49,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:49,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:49,322 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:49,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:49,322 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:49,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:49,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:49,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:49,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:49,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:49,327 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:19:49,327 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:19:49,329 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:49,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:49,330 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:49,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:49,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:49,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:49,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:49,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:49,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:49,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:49,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:49,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:49,336 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:19:49,336 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:19:49,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:49,338 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:19:49,339 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 -> d33dcc608b21d2bdbfa0a947775d4e23b857cf07 [2019-11-27 09:19:49,880 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:49,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:49,918 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:49,923 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:49,923 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:49,927 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_clnt_2.cil-2.c [2019-11-27 09:19:50,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1579d459/14c4c252e9224b478d54de82fab49070/FLAG2ad9ea567 [2019-11-27 09:19:51,258 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:51,259 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_clnt_2.cil-2.c [2019-11-27 09:19:51,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1579d459/14c4c252e9224b478d54de82fab49070/FLAG2ad9ea567 [2019-11-27 09:19:51,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1579d459/14c4c252e9224b478d54de82fab49070 [2019-11-27 09:19:51,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:51,350 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:51,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:51,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:51,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:51,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:51" (1/1) ... [2019-11-27 09:19:51,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12144453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:51, skipping insertion in model container [2019-11-27 09:19:51,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:51" (1/1) ... [2019-11-27 09:19:51,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:51,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:52,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:52,252 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:52,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:52,481 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:52,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:52 WrapperNode [2019-11-27 09:19:52,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:52,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:52,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:52,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:52,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:52" (1/1) ... [2019-11-27 09:19:52,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:52" (1/1) ... [2019-11-27 09:19:52,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:52,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:52,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:52,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:52,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:52" (1/1) ... [2019-11-27 09:19:52,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:52" (1/1) ... [2019-11-27 09:19:52,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:52" (1/1) ... [2019-11-27 09:19:52,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:52" (1/1) ... [2019-11-27 09:19:52,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:52" (1/1) ... [2019-11-27 09:19:52,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:52" (1/1) ... [2019-11-27 09:19:52,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:52" (1/1) ... [2019-11-27 09:19:52,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:52,759 INFO L168 Benchmark]: Toolchain (without parser) took 1405.49 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 979.9 MB in the end (delta: -18.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:52,763 INFO L168 Benchmark]: CDTParser took 0.39 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 09:19:52,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1131.84 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 979.9 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:52,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.79 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:52,768 INFO L168 Benchmark]: Boogie Preprocessor took 114.53 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:52,779 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 1131.84 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 979.9 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 150.79 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 114.53 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...