./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_8.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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_8.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 41b53a8be36a107d9ce8e745364368cfe44e748b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_8.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 41b53a8be36a107d9ce8e745364368cfe44e748b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 15:41:42,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:42,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:42,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:42,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:42,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:42,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:42,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:42,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:42,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:42,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:42,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:42,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:42,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:42,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:42,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:42,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:42,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:42,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:42,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:42,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:42,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:42,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:42,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:42,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:42,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:42,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:42,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:42,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:42,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:42,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:42,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:42,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:42,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:42,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:42,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:42,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:42,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:42,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:42,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:42,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:42,801 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:41:42,850 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:42,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:42,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:42,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:42,866 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:42,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:42,866 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:42,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:41:42,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:42,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:42,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:42,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:42,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:42,870 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:42,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:42,872 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:42,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:42,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:42,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:42,874 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:42,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:42,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:42,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:42,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:42,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:42,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:41:42,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:41:42,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:42,880 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 -> 41b53a8be36a107d9ce8e745364368cfe44e748b [2019-11-27 15:41:43,492 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:43,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:43,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:43,529 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:43,530 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:43,532 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_8.cil.c [2019-11-27 15:41:43,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6174cf04/ff0b69458b2144d794dfd47615116755/FLAG67e58d29f [2019-11-27 15:41:44,814 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:44,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_8.cil.c [2019-11-27 15:41:44,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6174cf04/ff0b69458b2144d794dfd47615116755/FLAG67e58d29f [2019-11-27 15:41:44,891 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6174cf04/ff0b69458b2144d794dfd47615116755 [2019-11-27 15:41:44,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:44,905 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:44,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:44,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:44,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:44,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:44" (1/1) ... [2019-11-27 15:41:44,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c99d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:44, skipping insertion in model container [2019-11-27 15:41:44,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:44" (1/1) ... [2019-11-27 15:41:44,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:45,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:45,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:45,842 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:46,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:46,075 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:46,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:46 WrapperNode [2019-11-27 15:41:46,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:46,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:46,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:46,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:46,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:46" (1/1) ... [2019-11-27 15:41:46,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:46" (1/1) ... [2019-11-27 15:41:46,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:46,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:46,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:46,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:46,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:46" (1/1) ... [2019-11-27 15:41:46,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:46" (1/1) ... [2019-11-27 15:41:46,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:46" (1/1) ... [2019-11-27 15:41:46,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:46" (1/1) ... [2019-11-27 15:41:46,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:46" (1/1) ... [2019-11-27 15:41:46,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:46" (1/1) ... [2019-11-27 15:41:46,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:46" (1/1) ... [2019-11-27 15:41:46,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:46,359 INFO L168 Benchmark]: Toolchain (without parser) took 1435.53 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 983.9 MB in the end (delta: -22.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:46,360 INFO L168 Benchmark]: CDTParser took 1.81 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:46,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1164.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 989.6 MB in the end (delta: -27.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:46,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.79 ms. Allocated memory is still 1.0 GB. Free memory was 989.6 MB in the beginning and 983.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:46,371 INFO L168 Benchmark]: Boogie Preprocessor took 104.76 ms. Allocated memory is still 1.0 GB. Free memory is still 983.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:46,380 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.81 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 1164.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 989.6 MB in the end (delta: -27.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 152.79 ms. Allocated memory is still 1.0 GB. Free memory was 989.6 MB in the beginning and 983.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 104.76 ms. Allocated memory is still 1.0 GB. Free memory is still 983.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:41:50,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:50,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:50,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:50,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:50,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:50,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:50,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:50,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:50,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:50,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:50,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:50,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:50,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:50,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:50,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:50,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:50,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:50,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:50,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:50,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:50,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:50,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:50,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:50,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:50,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:50,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:50,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:50,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:50,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:50,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:50,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:50,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:50,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:50,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:50,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:50,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:50,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:50,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:50,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:50,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:50,518 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:41:50,562 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:50,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:50,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:50,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:50,569 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:50,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:50,570 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:50,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:50,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:50,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:50,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:50,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:50,575 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:41:50,575 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:41:50,576 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:50,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:50,578 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:50,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:50,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:50,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:50,579 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:50,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:50,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:50,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:50,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:50,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:50,584 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:41:50,584 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:41:50,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:50,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:41:50,586 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 -> 41b53a8be36a107d9ce8e745364368cfe44e748b [2019-11-27 15:41:51,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:51,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:51,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:51,146 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:51,148 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:51,150 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_8.cil.c [2019-11-27 15:41:51,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16af4a924/d4804c112a8c4326ade902e3561a06c9/FLAG723a925f7 [2019-11-27 15:41:52,495 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:52,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_8.cil.c [2019-11-27 15:41:52,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16af4a924/d4804c112a8c4326ade902e3561a06c9/FLAG723a925f7 [2019-11-27 15:41:52,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16af4a924/d4804c112a8c4326ade902e3561a06c9 [2019-11-27 15:41:52,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:52,593 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:52,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:52,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:52,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:52,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:52" (1/1) ... [2019-11-27 15:41:52,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc750d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:52, skipping insertion in model container [2019-11-27 15:41:52,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:52" (1/1) ... [2019-11-27 15:41:52,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:52,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:53,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:53,629 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:53,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:53,865 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:53,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53 WrapperNode [2019-11-27 15:41:53,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:53,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:53,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:53,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:53,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53" (1/1) ... [2019-11-27 15:41:53,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53" (1/1) ... [2019-11-27 15:41:54,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:54,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:54,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:54,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:54,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53" (1/1) ... [2019-11-27 15:41:54,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53" (1/1) ... [2019-11-27 15:41:54,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53" (1/1) ... [2019-11-27 15:41:54,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53" (1/1) ... [2019-11-27 15:41:54,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53" (1/1) ... [2019-11-27 15:41:54,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53" (1/1) ... [2019-11-27 15:41:54,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53" (1/1) ... [2019-11-27 15:41:54,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:54,221 INFO L168 Benchmark]: Toolchain (without parser) took 1621.75 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 978.5 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:54,223 INFO L168 Benchmark]: CDTParser took 2.90 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:54,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1272.58 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 984.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:54,227 INFO L168 Benchmark]: Boogie Procedure Inliner took 197.75 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:54,231 INFO L168 Benchmark]: Boogie Preprocessor took 140.39 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:54,240 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.90 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 1272.58 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 984.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 197.75 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 140.39 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.5 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...