./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 da95e156 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-da95e15 [2019-11-27 09:19:53,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:53,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:53,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:53,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:53,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:53,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:53,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:53,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:53,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:53,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:53,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:53,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:53,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:53,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:53,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:53,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:53,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:53,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:53,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:53,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:53,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:53,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:53,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:53,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:53,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:53,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:53,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:53,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:53,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:53,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:53,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:53,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:53,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:53,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:53,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:53,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:53,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:53,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:53,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:53,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:53,698 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:19:53,737 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:53,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:53,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:53,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:53,745 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:53,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:53,749 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:53,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:19:53,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:53,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:53,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:53,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:53,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:53,753 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:53,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:53,754 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:53,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:53,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:53,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:53,757 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:53,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:53,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:53,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:53,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:53,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:53,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:19:53,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:19:53,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:53,764 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 09:19:54,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:54,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:54,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:54,350 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:54,355 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:54,356 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_8.cil.c [2019-11-27 09:19:54,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5704cda9/c36947ffde434babb216cf218c6c41d8/FLAGa55f5d496 [2019-11-27 09:19:55,633 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:55,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_8.cil.c [2019-11-27 09:19:55,669 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5704cda9/c36947ffde434babb216cf218c6c41d8/FLAGa55f5d496 [2019-11-27 09:19:55,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5704cda9/c36947ffde434babb216cf218c6c41d8 [2019-11-27 09:19:55,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:55,723 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:55,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:55,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:55,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:55,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:55" (1/1) ... [2019-11-27 09:19:55,747 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 09:19:55, skipping insertion in model container [2019-11-27 09:19:55,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:55" (1/1) ... [2019-11-27 09:19:55,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:55,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:56,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:56,678 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:56,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:56,893 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:56,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:56 WrapperNode [2019-11-27 09:19:56,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:56,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:56,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:56,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:56,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:56" (1/1) ... [2019-11-27 09:19:56,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:56" (1/1) ... [2019-11-27 09:19:57,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:57,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:57,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:57,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:57,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:56" (1/1) ... [2019-11-27 09:19:57,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:56" (1/1) ... [2019-11-27 09:19:57,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:56" (1/1) ... [2019-11-27 09:19:57,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:56" (1/1) ... [2019-11-27 09:19:57,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:56" (1/1) ... [2019-11-27 09:19:57,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:56" (1/1) ... [2019-11-27 09:19:57,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:56" (1/1) ... [2019-11-27 09:19:57,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:57,177 INFO L168 Benchmark]: Toolchain (without parser) took 1437.93 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. [2019-11-27 09:19:57,182 INFO L168 Benchmark]: CDTParser took 0.30 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 09:19:57,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1169.87 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 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:57,188 INFO L168 Benchmark]: Boogie Procedure Inliner took 160.56 ms. Allocated memory is still 1.0 GB. Free memory was 989.6 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. [2019-11-27 09:19:57,189 INFO L168 Benchmark]: Boogie Preprocessor took 101.60 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. [2019-11-27 09:19:57,200 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 1169.87 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 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 160.56 ms. Allocated memory is still 1.0 GB. Free memory was 989.6 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 101.60 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-da95e15 [2019-11-27 09:20:00,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:20:00,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:20:01,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:20:01,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:20:01,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:20:01,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:20:01,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:20:01,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:20:01,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:20:01,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:20:01,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:20:01,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:20:01,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:20:01,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:20:01,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:20:01,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:20:01,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:20:01,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:20:01,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:20:01,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:20:01,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:20:01,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:20:01,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:20:01,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:20:01,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:20:01,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:20:01,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:20:01,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:20:01,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:20:01,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:20:01,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:20:01,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:20:01,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:20:01,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:20:01,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:20:01,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:20:01,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:20:01,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:20:01,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:20:01,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:20:01,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:20:01,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:20:01,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:20:01,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:20:01,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:20:01,213 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:20:01,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:20:01,214 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:20:01,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:20:01,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:20:01,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:20:01,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:20:01,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:20:01,215 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:20:01,216 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:20:01,218 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:20:01,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:20:01,219 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:20:01,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:20:01,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:20:01,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:20:01,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:20:01,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:20:01,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:20:01,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:20:01,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:20:01,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:20:01,225 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:20:01,225 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:20:01,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:20:01,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:20:01,227 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 09:20:01,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:20:01,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:20:01,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:20:01,807 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:20:01,810 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:20:01,812 INFO L428 ainManager$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 09:20:01,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee42ac3e/0e8a1641de3141a6abe6471693c2b230/FLAGd248b99d5 [2019-11-27 09:20:03,122 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:20:03,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_8.cil.c [2019-11-27 09:20:03,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee42ac3e/0e8a1641de3141a6abe6471693c2b230/FLAGd248b99d5 [2019-11-27 09:20:03,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee42ac3e/0e8a1641de3141a6abe6471693c2b230 [2019-11-27 09:20:03,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:20:03,215 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:20:03,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:20:03,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:20:03,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:20:03,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:20:03" (1/1) ... [2019-11-27 09:20:03,239 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 27.11 09:20:03, skipping insertion in model container [2019-11-27 09:20:03,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:20:03" (1/1) ... [2019-11-27 09:20:03,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:20:03,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:20:04,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:20:04,178 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:20:04,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:20:04,434 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:20:04,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:04 WrapperNode [2019-11-27 09:20:04,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:20:04,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:20:04,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:20:04,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:20:04,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:04" (1/1) ... [2019-11-27 09:20:04,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:04" (1/1) ... [2019-11-27 09:20:04,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:20:04,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:20:04,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:20:04,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:20:04,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:04" (1/1) ... [2019-11-27 09:20:04,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:04" (1/1) ... [2019-11-27 09:20:04,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:04" (1/1) ... [2019-11-27 09:20:04,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:04" (1/1) ... [2019-11-27 09:20:04,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:04" (1/1) ... [2019-11-27 09:20:04,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:04" (1/1) ... [2019-11-27 09:20:04,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:04" (1/1) ... [2019-11-27 09:20:04,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:20:04,774 INFO L168 Benchmark]: Toolchain (without parser) took 1555.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 978.5 MB in the end (delta: -22.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:20:04,779 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 983.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:20:04,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1219.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 984.2 MB in the end (delta: -28.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:20:04,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 188.00 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:20:04,786 INFO L168 Benchmark]: Boogie Preprocessor took 138.01 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 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 09:20:04,797 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 983.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1219.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 984.2 MB in the end (delta: -28.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 188.00 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 138.01 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 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...