./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_clnt_3.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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_3.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 5377418547a5706dafa6030007433e8164dafce8 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_3.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 5377418547a5706dafa6030007433e8164dafce8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:32:41,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:32:41,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:32:41,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:32:41,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:32:41,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:32:41,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:32:42,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:32:42,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:32:42,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:32:42,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:32:42,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:32:42,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:32:42,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:32:42,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:32:42,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:32:42,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:32:42,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:32:42,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:32:42,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:32:42,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:32:42,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:32:42,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:32:42,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:32:42,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:32:42,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:32:42,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:32:42,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:32:42,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:32:42,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:32:42,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:32:42,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:32:42,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:32:42,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:32:42,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:32:42,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:32:42,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:32:42,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:32:42,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:32:42,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:32:42,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:32:42,127 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:32:42,169 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:32:42,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:32:42,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:32:42,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:32:42,178 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:32:42,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:32:42,179 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:32:42,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:32:42,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:32:42,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:32:42,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:32:42,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:32:42,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:32:42,186 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:32:42,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:32:42,187 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:32:42,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:32:42,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:32:42,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:32:42,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:32:42,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:32:42,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:32:42,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:32:42,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:32:42,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:32:42,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:32:42,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:32:42,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:32:42,196 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 -> 5377418547a5706dafa6030007433e8164dafce8 [2019-11-26 16:32:42,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:32:42,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:32:42,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:32:42,898 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:32:42,900 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:32:42,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_clnt_3.cil-1.c [2019-11-26 16:32:43,062 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c5d25071/a7af0688b9bb4ea2830ca77bf132c9a4/FLAG31665a15d [2019-11-26 16:32:44,229 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:32:44,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_clnt_3.cil-1.c [2019-11-26 16:32:44,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c5d25071/a7af0688b9bb4ea2830ca77bf132c9a4/FLAG31665a15d [2019-11-26 16:32:44,300 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c5d25071/a7af0688b9bb4ea2830ca77bf132c9a4 [2019-11-26 16:32:44,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:32:44,310 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:32:44,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:44,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:32:44,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:32:44,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:44" (1/1) ... [2019-11-26 16:32:44,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50044e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:44, skipping insertion in model container [2019-11-26 16:32:44,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:44" (1/1) ... [2019-11-26 16:32:44,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:32:44,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:32:44,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:45,080 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:32:45,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:45,258 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:32:45,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:45 WrapperNode [2019-11-26 16:32:45,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:45,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:45,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:32:45,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:32:45,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:45" (1/1) ... [2019-11-26 16:32:45,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:45" (1/1) ... [2019-11-26 16:32:45,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:45,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:32:45,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:32:45,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:32:45,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:45" (1/1) ... [2019-11-26 16:32:45,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:45" (1/1) ... [2019-11-26 16:32:45,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:45" (1/1) ... [2019-11-26 16:32:45,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:45" (1/1) ... [2019-11-26 16:32:45,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:45" (1/1) ... [2019-11-26 16:32:45,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:45" (1/1) ... [2019-11-26 16:32:45,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:45" (1/1) ... [2019-11-26 16:32:45,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:32:45,527 INFO L168 Benchmark]: Toolchain (without parser) took 1211.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.0 MB in the end (delta: -22.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:32:45,528 INFO L168 Benchmark]: CDTParser took 3.11 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. [2019-11-26 16:32:45,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 943.07 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:45,548 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.97 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 984.0 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:45,549 INFO L168 Benchmark]: Boogie Preprocessor took 87.69 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. [2019-11-26 16:32:45,559 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.11 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 943.07 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 162.97 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 984.0 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 87.69 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 0.1.24-025d5a2 [2019-11-26 16:32:49,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:32:49,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:32:49,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:32:49,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:32:49,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:32:49,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:32:49,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:32:49,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:32:49,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:32:49,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:32:49,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:32:49,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:32:49,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:32:49,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:32:49,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:32:49,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:32:49,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:32:49,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:32:49,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:32:49,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:32:49,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:32:49,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:32:49,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:32:49,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:32:49,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:32:49,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:32:49,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:32:49,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:32:49,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:32:49,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:32:49,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:32:49,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:32:49,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:32:49,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:32:49,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:32:49,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:32:49,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:32:49,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:32:49,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:32:49,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:32:49,656 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:32:49,699 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:32:49,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:32:49,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:32:49,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:32:49,706 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:32:49,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:32:49,707 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:32:49,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:32:49,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:32:49,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:32:49,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:32:49,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:32:49,713 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:32:49,713 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:32:49,715 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:32:49,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:32:49,716 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:32:49,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:32:49,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:32:49,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:32:49,719 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:32:49,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:32:49,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:32:49,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:32:49,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:32:49,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:32:49,722 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:32:49,724 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:32:49,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:32:49,724 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:32:49,726 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 -> 5377418547a5706dafa6030007433e8164dafce8 [2019-11-26 16:32:50,339 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:32:50,370 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:32:50,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:32:50,382 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:32:50,384 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:32:50,388 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_clnt_3.cil-1.c [2019-11-26 16:32:50,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/749152f45/3a3cfe5daad9402fa2f34251b9cbc435/FLAGab72695e8 [2019-11-26 16:32:51,725 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:32:51,726 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_clnt_3.cil-1.c [2019-11-26 16:32:51,759 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/749152f45/3a3cfe5daad9402fa2f34251b9cbc435/FLAGab72695e8 [2019-11-26 16:32:51,799 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/749152f45/3a3cfe5daad9402fa2f34251b9cbc435 [2019-11-26 16:32:51,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:32:51,812 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:32:51,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:51,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:32:51,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:32:51,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:51" (1/1) ... [2019-11-26 16:32:51,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50044e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:51, skipping insertion in model container [2019-11-26 16:32:51,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:51" (1/1) ... [2019-11-26 16:32:51,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:32:51,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:32:52,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:52,673 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:32:52,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:52,867 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:32:52,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:52 WrapperNode [2019-11-26 16:32:52,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:52,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:52,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:32:52,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:32:52,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:52" (1/1) ... [2019-11-26 16:32:52,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:52" (1/1) ... [2019-11-26 16:32:53,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:53,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:32:53,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:32:53,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:32:53,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:52" (1/1) ... [2019-11-26 16:32:53,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:52" (1/1) ... [2019-11-26 16:32:53,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:52" (1/1) ... [2019-11-26 16:32:53,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:52" (1/1) ... [2019-11-26 16:32:53,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:52" (1/1) ... [2019-11-26 16:32:53,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:52" (1/1) ... [2019-11-26 16:32:53,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:52" (1/1) ... [2019-11-26 16:32:53,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:32:53,128 INFO L168 Benchmark]: Toolchain (without parser) took 1310.12 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 979.7 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:32:53,129 INFO L168 Benchmark]: CDTParser took 0.68 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. [2019-11-26 16:32:53,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1052.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 985.4 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:53,151 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.14 ms. Allocated memory is still 1.0 GB. Free memory was 985.4 MB in the beginning and 979.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:53,153 INFO L168 Benchmark]: Boogie Preprocessor took 113.66 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:32:53,164 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 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 1052.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 985.4 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 135.14 ms. Allocated memory is still 1.0 GB. Free memory was 985.4 MB in the beginning and 979.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 113.66 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 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...