./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_1.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ssh-simplified/s3_srvr_1.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 33e9ff70181f23aec46a4e91eec467338569fa5a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_1.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 33e9ff70181f23aec46a4e91eec467338569fa5a ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:32:43,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:32:43,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:32:43,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:32:43,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:32:43,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:32:43,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:32:43,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:32:43,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:32:43,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:32:43,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:32:43,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:32:43,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:32:43,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:32:43,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:32:43,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:32:43,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:32:43,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:32:43,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:32:43,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:32:43,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:32:43,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:32:43,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:32:43,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:32:43,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:32:43,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:32:43,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:32:43,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:32:43,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:32:43,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:32:43,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:32:43,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:32:43,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:32:43,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:32:43,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:32:43,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:32:43,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:32:43,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:32:43,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:32:43,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:32:43,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:32:43,894 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:32:43,932 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:32:43,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:32:43,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:32:43,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:32:43,941 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:32:43,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:32:43,943 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:32:43,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:32:43,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:32:43,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:32:43,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:32:43,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:32:43,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:32:43,949 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:32:43,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:32:43,949 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:32:43,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:32:43,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:32:43,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:32:43,953 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:32:43,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:32:43,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:32:43,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:32:43,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:32:43,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:32:43,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:32:43,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:32:43,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:32:43,959 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 -> 33e9ff70181f23aec46a4e91eec467338569fa5a [2019-11-26 16:32:44,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:32:44,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:32:44,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:32:44,635 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:32:44,636 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:32:44,638 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_1.cil-1.c [2019-11-26 16:32:44,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7edadaa09/51241d76a32841aab448bd96fc60867e/FLAGfc70302dc [2019-11-26 16:32:45,894 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:32:45,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_1.cil-1.c [2019-11-26 16:32:45,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7edadaa09/51241d76a32841aab448bd96fc60867e/FLAGfc70302dc [2019-11-26 16:32:45,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7edadaa09/51241d76a32841aab448bd96fc60867e [2019-11-26 16:32:45,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:32:45,989 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:32:45,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:45,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:32:45,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:32:46,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:45" (1/1) ... [2019-11-26 16:32:46,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182d43ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:46, skipping insertion in model container [2019-11-26 16:32:46,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:45" (1/1) ... [2019-11-26 16:32:46,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:32:46,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:32:46,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:46,934 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:32:47,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:47,160 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:32:47,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:47 WrapperNode [2019-11-26 16:32:47,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:47,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:47,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:32:47,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:32:47,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:47" (1/1) ... [2019-11-26 16:32:47,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:47" (1/1) ... [2019-11-26 16:32:47,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:47,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:32:47,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:32:47,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:32:47,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:47" (1/1) ... [2019-11-26 16:32:47,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:47" (1/1) ... [2019-11-26 16:32:47,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:47" (1/1) ... [2019-11-26 16:32:47,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:47" (1/1) ... [2019-11-26 16:32:47,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:47" (1/1) ... [2019-11-26 16:32:47,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:47" (1/1) ... [2019-11-26 16:32:47,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:47" (1/1) ... [2019-11-26 16:32:47,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:32:47,495 INFO L168 Benchmark]: Toolchain (without parser) took 1503.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.0 MB in the end (delta: -22.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:32:47,499 INFO L168 Benchmark]: CDTParser took 3.01 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:32:47,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1175.80 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 989.7 MB in the end (delta: -28.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:47,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.46 ms. Allocated memory is still 1.0 GB. Free memory was 989.7 MB in the beginning and 984.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:47,506 INFO L168 Benchmark]: Boogie Preprocessor took 146.67 ms. Allocated memory is still 1.0 GB. Free memory is still 984.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:32:47,517 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.01 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 1175.80 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 989.7 MB in the end (delta: -28.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 173.46 ms. Allocated memory is still 1.0 GB. Free memory was 989.7 MB in the beginning and 984.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 146.67 ms. Allocated memory is still 1.0 GB. Free memory is still 984.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:32:51,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:32:51,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:32:51,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:32:51,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:32:51,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:32:51,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:32:51,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:32:51,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:32:51,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:32:51,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:32:51,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:32:51,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:32:51,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:32:51,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:32:51,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:32:51,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:32:51,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:32:51,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:32:51,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:32:51,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:32:51,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:32:51,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:32:51,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:32:51,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:32:51,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:32:51,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:32:51,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:32:51,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:32:51,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:32:51,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:32:51,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:32:51,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:32:51,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:32:51,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:32:51,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:32:51,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:32:51,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:32:51,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:32:51,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:32:51,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:32:51,472 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:32:51,512 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:32:51,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:32:51,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:32:51,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:32:51,518 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:32:51,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:32:51,518 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:32:51,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:32:51,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:32:51,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:32:51,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:32:51,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:32:51,522 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:32:51,523 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:32:51,526 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:32:51,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:32:51,526 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:32:51,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:32:51,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:32:51,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:32:51,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:32:51,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:32:51,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:32:51,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:32:51,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:32:51,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:32:51,531 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:32:51,532 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:32:51,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:32:51,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:32:51,534 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 -> 33e9ff70181f23aec46a4e91eec467338569fa5a [2019-11-26 16:32:52,064 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:32:52,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:32:52,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:32:52,103 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:32:52,104 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:32:52,107 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_1.cil-1.c [2019-11-26 16:32:52,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/999c6a25e/b7da541ff2b84dee9a5ca45a0cd9266f/FLAG711bc43af [2019-11-26 16:32:53,353 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:32:53,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_1.cil-1.c [2019-11-26 16:32:53,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/999c6a25e/b7da541ff2b84dee9a5ca45a0cd9266f/FLAG711bc43af [2019-11-26 16:32:53,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/999c6a25e/b7da541ff2b84dee9a5ca45a0cd9266f [2019-11-26 16:32:53,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:32:53,448 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:32:53,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:53,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:32:53,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:32:53,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:53" (1/1) ... [2019-11-26 16:32:53,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182d43ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:53, skipping insertion in model container [2019-11-26 16:32:53,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:53" (1/1) ... [2019-11-26 16:32:53,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:32:53,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:32:54,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:54,375 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:32:54,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:54,588 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:32:54,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:54 WrapperNode [2019-11-26 16:32:54,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:54,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:54,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:32:54,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:32:54,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:54" (1/1) ... [2019-11-26 16:32:54,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:54" (1/1) ... [2019-11-26 16:32:54,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:54,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:32:54,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:32:54,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:32:54,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:54" (1/1) ... [2019-11-26 16:32:54,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:54" (1/1) ... [2019-11-26 16:32:54,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:54" (1/1) ... [2019-11-26 16:32:54,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:54" (1/1) ... [2019-11-26 16:32:54,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:54" (1/1) ... [2019-11-26 16:32:54,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:54" (1/1) ... [2019-11-26 16:32:54,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:54" (1/1) ... [2019-11-26 16:32:54,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:32:54,884 INFO L168 Benchmark]: Toolchain (without parser) took 1434.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.0 MB in the end (delta: -22.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:32:54,885 INFO L168 Benchmark]: CDTParser took 1.58 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:32:54,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1136.93 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 989.7 MB in the end (delta: -28.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:54,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.90 ms. Allocated memory is still 1.0 GB. Free memory was 989.7 MB in the beginning and 984.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:54,891 INFO L168 Benchmark]: Boogie Preprocessor took 139.52 ms. Allocated memory is still 1.0 GB. Free memory is still 984.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:32:54,902 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.58 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 1136.93 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 989.7 MB in the end (delta: -28.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 138.90 ms. Allocated memory is still 1.0 GB. Free memory was 989.7 MB in the beginning and 984.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 139.52 ms. Allocated memory is still 1.0 GB. Free memory is still 984.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...