./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ssh-simplified/s3_srvr_6.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 a51c87b3f87a550bb7d060ad02516cdb08b506b9 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_6.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 a51c87b3f87a550bb7d060ad02516cdb08b506b9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 20:38:44,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:38:44,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:38:44,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:38:44,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:38:44,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:38:44,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:38:44,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:38:44,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:38:44,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:38:44,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:38:44,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:38:44,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:38:44,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:38:44,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:38:44,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:38:44,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:38:44,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:38:44,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:38:44,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:38:44,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:38:44,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:38:44,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:38:44,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:38:44,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:38:44,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:38:44,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:38:44,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:38:44,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:38:44,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:38:44,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:38:44,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:38:44,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:38:44,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:38:44,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:38:44,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:38:44,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:38:44,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:38:44,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:38:44,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:38:44,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:38:44,397 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:38:44,428 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:38:44,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:38:44,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:38:44,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:38:44,435 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:38:44,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:38:44,436 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:38:44,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:38:44,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:38:44,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:38:44,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:38:44,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:38:44,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:38:44,439 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:38:44,440 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:38:44,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:38:44,440 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:38:44,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:38:44,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:38:44,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:38:44,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:38:44,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:38:44,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:38:44,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:38:44,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:38:44,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:38:44,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:38:44,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:38:44,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:38:44,448 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 -> a51c87b3f87a550bb7d060ad02516cdb08b506b9 [2019-11-24 20:38:45,076 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:38:45,104 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:38:45,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:38:45,113 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:38:45,117 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:38:45,118 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c [2019-11-24 20:38:45,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee336a956/67015022ae94426a8c0404a6d2112e32/FLAGc1f7f4145 [2019-11-24 20:38:46,388 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:38:46,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c [2019-11-24 20:38:46,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee336a956/67015022ae94426a8c0404a6d2112e32/FLAGc1f7f4145 [2019-11-24 20:38:46,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee336a956/67015022ae94426a8c0404a6d2112e32 [2019-11-24 20:38:46,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:38:46,472 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:38:46,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:46,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:38:46,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:38:46,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:46,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c001282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46, skipping insertion in model container [2019-11-24 20:38:46,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:46,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:38:46,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:38:47,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:47,416 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:38:47,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:47,669 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:38:47,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:47 WrapperNode [2019-11-24 20:38:47,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:47,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:47,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:38:47,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:38:47,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:47" (1/1) ... [2019-11-24 20:38:47,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:47" (1/1) ... [2019-11-24 20:38:47,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:47,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:38:47,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:38:47,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:38:47,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:47" (1/1) ... [2019-11-24 20:38:47,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:47" (1/1) ... [2019-11-24 20:38:47,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:47" (1/1) ... [2019-11-24 20:38:47,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:47" (1/1) ... [2019-11-24 20:38:47,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:47" (1/1) ... [2019-11-24 20:38:47,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:47" (1/1) ... [2019-11-24 20:38:47,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:47" (1/1) ... [2019-11-24 20:38:47,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:38:47,979 INFO L168 Benchmark]: Toolchain (without parser) took 1494.10 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 983.8 MB in the end (delta: -22.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:47,984 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:47,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1187.54 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 989.5 MB in the end (delta: -27.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:47,990 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.95 ms. Allocated memory is still 1.0 GB. Free memory was 989.5 MB in the beginning and 983.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:47,994 INFO L168 Benchmark]: Boogie Preprocessor took 107.65 ms. Allocated memory is still 1.0 GB. Free memory is still 983.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:48,006 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 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 1187.54 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 989.5 MB in the end (delta: -27.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 175.95 ms. Allocated memory is still 1.0 GB. Free memory was 989.5 MB in the beginning and 983.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 107.65 ms. Allocated memory is still 1.0 GB. Free memory is still 983.8 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 20:38:51,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:38:51,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:38:52,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:38:52,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:38:52,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:38:52,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:38:52,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:38:52,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:38:52,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:38:52,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:38:52,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:38:52,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:38:52,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:38:52,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:38:52,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:38:52,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:38:52,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:38:52,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:38:52,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:38:52,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:38:52,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:38:52,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:38:52,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:38:52,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:38:52,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:38:52,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:38:52,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:38:52,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:38:52,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:38:52,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:38:52,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:38:52,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:38:52,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:38:52,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:38:52,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:38:52,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:38:52,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:38:52,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:38:52,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:38:52,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:38:52,156 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:38:52,196 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:38:52,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:38:52,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:38:52,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:38:52,203 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:38:52,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:38:52,204 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:38:52,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:38:52,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:38:52,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:38:52,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:38:52,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:38:52,209 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:38:52,211 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:38:52,211 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:38:52,212 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:38:52,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:38:52,212 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:38:52,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:38:52,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:38:52,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:38:52,216 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:38:52,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:38:52,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:38:52,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:38:52,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:38:52,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:38:52,218 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:38:52,218 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:38:52,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:38:52,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:38:52,225 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 -> a51c87b3f87a550bb7d060ad02516cdb08b506b9 [2019-11-24 20:38:52,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:38:52,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:38:52,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:38:52,868 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:38:52,871 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:38:52,872 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c [2019-11-24 20:38:53,023 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd4295f95/2b6466ca964f442bb532c193886d9a2c/FLAGa2656c0d3 [2019-11-24 20:38:54,195 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:38:54,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c [2019-11-24 20:38:54,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd4295f95/2b6466ca964f442bb532c193886d9a2c/FLAGa2656c0d3 [2019-11-24 20:38:54,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd4295f95/2b6466ca964f442bb532c193886d9a2c [2019-11-24 20:38:54,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:38:54,754 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:38:54,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:54,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:38:54,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:38:54,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:54" (1/1) ... [2019-11-24 20:38:54,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@658fc5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:54, skipping insertion in model container [2019-11-24 20:38:54,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:54" (1/1) ... [2019-11-24 20:38:54,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:38:54,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:38:55,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:55,726 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:38:55,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:55,960 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:38:55,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:55 WrapperNode [2019-11-24 20:38:55,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:55,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:55,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:38:55,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:38:55,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:55" (1/1) ... [2019-11-24 20:38:56,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:55" (1/1) ... [2019-11-24 20:38:56,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:56,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:38:56,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:38:56,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:38:56,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:55" (1/1) ... [2019-11-24 20:38:56,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:55" (1/1) ... [2019-11-24 20:38:56,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:55" (1/1) ... [2019-11-24 20:38:56,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:55" (1/1) ... [2019-11-24 20:38:56,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:55" (1/1) ... [2019-11-24 20:38:56,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:55" (1/1) ... [2019-11-24 20:38:56,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:55" (1/1) ... [2019-11-24 20:38:56,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:38:56,284 INFO L168 Benchmark]: Toolchain (without parser) took 1523.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.3 MB in the end (delta: -25.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:56,290 INFO L168 Benchmark]: CDTParser took 2.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:56,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1202.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.0 MB in the end (delta: -30.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:56,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.72 ms. Allocated memory is still 1.0 GB. Free memory was 991.0 MB in the beginning and 985.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:56,301 INFO L168 Benchmark]: Boogie Preprocessor took 131.65 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:56,312 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.37 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 1202.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.0 MB in the end (delta: -30.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 172.72 ms. Allocated memory is still 1.0 GB. Free memory was 991.0 MB in the beginning and 985.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 131.65 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...