./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_1a.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d8f19e5f85495da246f7b055515ad1966fa98828 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d8f19e5f85495da246f7b055515ad1966fa98828 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 15:41:34,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:34,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:34,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:34,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:34,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:34,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:34,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:34,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:34,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:34,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:34,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:34,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:34,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:34,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:34,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:34,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:34,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:34,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:34,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:34,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:34,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:34,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:34,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:34,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:34,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:34,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:34,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:34,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:34,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:34,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:34,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:34,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:34,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:34,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:34,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:34,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:34,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:34,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:34,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:34,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:34,811 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:41:34,869 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:34,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:34,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:34,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:34,879 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:34,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:34,880 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:34,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:41:34,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:34,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:34,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:34,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:34,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:34,887 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:34,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:34,888 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:34,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:34,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:34,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:34,894 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:34,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:34,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:34,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:34,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:34,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:34,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:41:34,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:41:34,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:34,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8f19e5f85495da246f7b055515ad1966fa98828 [2019-11-27 15:41:35,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:35,518 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:35,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:35,531 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:35,533 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:35,535 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c [2019-11-27 15:41:35,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ae77bf87/c408ff5e320543fbba65dbe5a119ee85/FLAGc77cee7c0 [2019-11-27 15:41:36,839 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:36,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c [2019-11-27 15:41:36,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ae77bf87/c408ff5e320543fbba65dbe5a119ee85/FLAGc77cee7c0 [2019-11-27 15:41:36,904 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ae77bf87/c408ff5e320543fbba65dbe5a119ee85 [2019-11-27 15:41:36,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:36,918 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:36,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:36,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:36,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:36,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:36" (1/1) ... [2019-11-27 15:41:36,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc0b2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:36, skipping insertion in model container [2019-11-27 15:41:36,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:36" (1/1) ... [2019-11-27 15:41:36,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:37,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:37,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:37,573 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:37,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:37,813 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:37,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37 WrapperNode [2019-11-27 15:41:37,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:37,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:37,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:37,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:37,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37" (1/1) ... [2019-11-27 15:41:37,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37" (1/1) ... [2019-11-27 15:41:37,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:37,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:37,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:37,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:37,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37" (1/1) ... [2019-11-27 15:41:37,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37" (1/1) ... [2019-11-27 15:41:37,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37" (1/1) ... [2019-11-27 15:41:37,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37" (1/1) ... [2019-11-27 15:41:37,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37" (1/1) ... [2019-11-27 15:41:37,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37" (1/1) ... [2019-11-27 15:41:37,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37" (1/1) ... [2019-11-27 15:41:37,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:37,996 INFO L168 Benchmark]: Toolchain (without parser) took 1071.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:38,012 INFO L168 Benchmark]: CDTParser took 2.55 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 15:41:38,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 896.54 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:38,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.22 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:38,016 INFO L168 Benchmark]: Boogie Preprocessor took 70.00 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:38,027 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.55 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 896.54 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 93.22 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 70.00 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. 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 15:41:41,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:41,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:41,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:41,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:41,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:41,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:42,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:42,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:42,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:42,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:42,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:42,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:42,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:42,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:42,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:42,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:42,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:42,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:42,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:42,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:42,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:42,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:42,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:42,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:42,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:42,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:42,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:42,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:42,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:42,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:42,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:42,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:42,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:42,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:42,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:42,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:42,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:42,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:42,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:42,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:42,132 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:41:42,175 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:42,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:42,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:42,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:42,184 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:42,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:42,185 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:42,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:42,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:42,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:42,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:42,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:42,188 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:41:42,190 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:41:42,191 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:42,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:42,191 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:42,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:42,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:42,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:42,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:42,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:42,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:42,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:42,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:42,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:42,197 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:41:42,197 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:41:42,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:42,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:41:42,201 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8f19e5f85495da246f7b055515ad1966fa98828 [2019-11-27 15:41:42,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:42,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:42,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:42,834 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:42,835 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:42,837 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c [2019-11-27 15:41:43,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7a9c82d/f8a15218fa8e40d8a767a9b38684a52d/FLAGdd5c66740 [2019-11-27 15:41:44,131 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:44,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_1a.cil.c [2019-11-27 15:41:44,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7a9c82d/f8a15218fa8e40d8a767a9b38684a52d/FLAGdd5c66740 [2019-11-27 15:41:44,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7a9c82d/f8a15218fa8e40d8a767a9b38684a52d [2019-11-27 15:41:44,201 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:44,206 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:44,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:44,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:44,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:44,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:44" (1/1) ... [2019-11-27 15:41:44,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc0b2b3 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 15:41:44,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:44" (1/1) ... [2019-11-27 15:41:44,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:44,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:44,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:44,839 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:45,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:45,067 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:45,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45 WrapperNode [2019-11-27 15:41:45,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:45,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:45,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:45,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:45,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:45,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:45,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:45,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:45,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:45,292 INFO L168 Benchmark]: Toolchain (without parser) took 1079.61 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 990.0 MB in the end (delta: -28.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:45,294 INFO L168 Benchmark]: CDTParser took 3.13 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 15:41:45,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 862.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:45,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.55 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:45,303 INFO L168 Benchmark]: Boogie Preprocessor took 97.55 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 990.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:45,313 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.13 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 862.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 112.55 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 97.55 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 990.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...