./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_1a.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_1a.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 d8f19e5f85495da246f7b055515ad1966fa98828 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_1a.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 d8f19e5f85495da246f7b055515ad1966fa98828 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:24:36,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:24:36,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:24:36,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:24:36,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:24:36,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:24:37,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:24:37,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:24:37,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:24:37,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:24:37,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:24:37,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:24:37,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:24:37,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:24:37,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:24:37,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:24:37,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:24:37,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:24:37,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:24:37,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:24:37,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:24:37,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:24:37,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:24:37,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:24:37,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:24:37,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:24:37,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:24:37,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:24:37,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:24:37,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:24:37,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:24:37,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:24:37,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:24:37,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:24:37,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:24:37,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:24:37,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:24:37,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:24:37,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:24:37,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:24:37,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:24:37,142 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:24:37,184 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:24:37,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:24:37,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:24:37,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:24:37,200 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:24:37,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:24:37,201 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:24:37,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:24:37,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:24:37,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:24:37,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:24:37,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:24:37,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:24:37,209 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:24:37,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:24:37,210 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:24:37,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:24:37,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:24:37,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:24:37,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:24:37,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:24:37,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:24:37,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:24:37,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:24:37,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:24:37,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:24:37,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:24:37,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:24:37,220 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 -> d8f19e5f85495da246f7b055515ad1966fa98828 [2019-11-25 22:24:37,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:24:37,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:24:37,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:24:37,970 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:24:37,972 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:24:37,977 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c [2019-11-25 22:24:38,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e354c5262/5196b97cbcf9487bb8303ecc875ab30f/FLAGee0f3466b [2019-11-25 22:24:39,236 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:24:39,238 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c [2019-11-25 22:24:39,258 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e354c5262/5196b97cbcf9487bb8303ecc875ab30f/FLAGee0f3466b [2019-11-25 22:24:39,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e354c5262/5196b97cbcf9487bb8303ecc875ab30f [2019-11-25 22:24:39,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:24:39,314 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:24:39,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:39,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:24:39,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:24:39,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:39" (1/1) ... [2019-11-25 22:24:39,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c32a73e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:39, skipping insertion in model container [2019-11-25 22:24:39,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:39" (1/1) ... [2019-11-25 22:24:39,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:24:39,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:24:39,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:39,931 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:24:40,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:40,107 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:24:40,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:40 WrapperNode [2019-11-25 22:24:40,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:40,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:40,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:24:40,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:24:40,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:40" (1/1) ... [2019-11-25 22:24:40,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:40" (1/1) ... [2019-11-25 22:24:40,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:40,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:24:40,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:24:40,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:24:40,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:40" (1/1) ... [2019-11-25 22:24:40,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:40" (1/1) ... [2019-11-25 22:24:40,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:40" (1/1) ... [2019-11-25 22:24:40,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:40" (1/1) ... [2019-11-25 22:24:40,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:40" (1/1) ... [2019-11-25 22:24:40,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:40" (1/1) ... [2019-11-25 22:24:40,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:40" (1/1) ... [2019-11-25 22:24:40,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:24:40,225 INFO L168 Benchmark]: Toolchain (without parser) took 908.28 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 991.3 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:24:40,226 INFO L168 Benchmark]: CDTParser took 0.59 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 22:24:40,241 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:40,242 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.40 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:24:40,243 INFO L168 Benchmark]: Boogie Preprocessor took 42.11 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:40,257 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 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 798.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 54.40 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 42.11 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:24:44,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:24:44,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:24:44,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:24:44,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:24:44,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:24:44,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:24:44,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:24:44,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:24:44,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:24:44,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:24:44,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:24:44,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:24:44,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:24:44,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:24:44,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:24:44,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:24:44,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:24:44,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:24:44,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:24:44,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:24:44,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:24:44,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:24:44,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:24:44,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:24:44,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:24:44,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:24:44,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:24:44,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:24:44,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:24:44,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:24:44,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:24:44,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:24:44,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:24:44,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:24:44,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:24:44,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:24:44,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:24:44,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:24:44,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:24:44,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:24:44,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:24:44,415 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:24:44,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:24:44,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:24:44,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:24:44,426 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:24:44,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:24:44,427 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:24:44,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:24:44,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:24:44,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:24:44,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:24:44,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:24:44,434 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:24:44,435 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:24:44,435 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:24:44,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:24:44,439 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:24:44,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:24:44,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:24:44,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:24:44,440 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:24:44,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:24:44,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:24:44,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:24:44,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:24:44,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:24:44,444 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:24:44,445 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:24:44,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:24:44,447 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:24:44,449 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 -> d8f19e5f85495da246f7b055515ad1966fa98828 [2019-11-25 22:24:45,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:24:45,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:24:45,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:24:45,079 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:24:45,081 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:24:45,086 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c [2019-11-25 22:24:45,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bb83181c/94dcac394c8d43f8ba036d0f1f56d899/FLAG328e2cebf [2019-11-25 22:24:46,372 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:24:46,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c [2019-11-25 22:24:46,398 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bb83181c/94dcac394c8d43f8ba036d0f1f56d899/FLAG328e2cebf [2019-11-25 22:24:46,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bb83181c/94dcac394c8d43f8ba036d0f1f56d899 [2019-11-25 22:24:46,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:24:46,454 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:24:46,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:46,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:24:46,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:24:46,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:46" (1/1) ... [2019-11-25 22:24:46,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dddb048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:46, skipping insertion in model container [2019-11-25 22:24:46,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:46" (1/1) ... [2019-11-25 22:24:46,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:24:46,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:24:47,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:47,093 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:24:47,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:47,297 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:24:47,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:47 WrapperNode [2019-11-25 22:24:47,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:47,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:47,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:24:47,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:24:47,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:47" (1/1) ... [2019-11-25 22:24:47,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:47" (1/1) ... [2019-11-25 22:24:47,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:47,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:24:47,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:24:47,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:24:47,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:47" (1/1) ... [2019-11-25 22:24:47,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:47" (1/1) ... [2019-11-25 22:24:47,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:47" (1/1) ... [2019-11-25 22:24:47,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:47" (1/1) ... [2019-11-25 22:24:47,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:47" (1/1) ... [2019-11-25 22:24:47,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:47" (1/1) ... [2019-11-25 22:24:47,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:47" (1/1) ... [2019-11-25 22:24:47,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:24:47,534 INFO L168 Benchmark]: Toolchain (without parser) took 1073.53 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 989.9 MB in the end (delta: -28.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:24:47,535 INFO L168 Benchmark]: CDTParser took 0.49 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 22:24:47,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 845.25 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:47,541 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.86 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:24:47,542 INFO L168 Benchmark]: Boogie Preprocessor took 97.02 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 989.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:47,556 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 845.25 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 113.86 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 97.02 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 989.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...