./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_6.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a51c87b3f87a550bb7d060ad02516cdb08b506b9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a51c87b3f87a550bb7d060ad02516cdb08b506b9 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:32:51,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:32:51,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:32:51,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:32:51,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:32:51,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:32:51,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:32:51,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:32:51,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:32:51,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:32:51,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:32:51,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:32:51,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:32:51,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:32:51,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:32:51,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:32:51,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:32:51,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:32:51,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:32:51,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:32:51,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:32:51,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:32:51,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:32:51,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:32:51,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:32:51,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:32:51,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:32:51,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:32:51,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:32:51,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:32:51,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:32:51,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:32:51,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:32:51,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:32:51,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:32:51,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:32:51,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:32:51,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:32:51,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:32:51,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:32:51,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:32:51,823 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:32:51,879 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:32:51,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:32:51,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:32:51,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:32:51,889 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:32:51,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:32:51,892 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:32:51,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:32:51,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:32:51,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:32:51,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:32:51,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:32:51,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:32:51,897 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:32:51,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:32:51,899 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:32:51,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:32:51,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:32:51,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:32:51,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:32:51,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:32:51,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:32:51,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:32:51,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:32:51,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:32:51,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:32:51,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:32:51,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:32:51,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a51c87b3f87a550bb7d060ad02516cdb08b506b9 [2019-11-26 16:32:52,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:32:52,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:32:52,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:32:52,479 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:32:52,482 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:32:52,486 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c [2019-11-26 16:32:52,651 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f3f7c065/8733829375c547b699057de2cf22e635/FLAGfa6c492f8 [2019-11-26 16:32:53,797 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:32:53,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c [2019-11-26 16:32:53,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f3f7c065/8733829375c547b699057de2cf22e635/FLAGfa6c492f8 [2019-11-26 16:32:53,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f3f7c065/8733829375c547b699057de2cf22e635 [2019-11-26 16:32:53,885 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:32:53,890 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:32:53,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:53,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:32:53,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:32:53,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:53" (1/1) ... [2019-11-26 16:32:53,918 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 26.11 04:32:53, skipping insertion in model container [2019-11-26 16:32:53,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:53" (1/1) ... [2019-11-26 16:32:53,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:32:54,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:32:54,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:54,803 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:32:54,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:55,019 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:32:55,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55 WrapperNode [2019-11-26 16:32:55,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:55,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:55,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:32:55,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:32:55,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55" (1/1) ... [2019-11-26 16:32:55,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55" (1/1) ... [2019-11-26 16:32:55,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:55,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:32:55,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:32:55,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:32:55,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55" (1/1) ... [2019-11-26 16:32:55,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55" (1/1) ... [2019-11-26 16:32:55,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55" (1/1) ... [2019-11-26 16:32:55,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55" (1/1) ... [2019-11-26 16:32:55,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55" (1/1) ... [2019-11-26 16:32:55,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55" (1/1) ... [2019-11-26 16:32:55,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55" (1/1) ... [2019-11-26 16:32:55,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:32:55,262 INFO L168 Benchmark]: Toolchain (without parser) took 1353.33 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. [2019-11-26 16:32:55,265 INFO L168 Benchmark]: CDTParser took 0.46 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 16:32:55,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1126.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 989.5 MB in the end (delta: -27.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:55,271 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.43 ms. Allocated memory is still 1.0 GB. Free memory was 989.5 MB in the beginning and 983.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:55,274 INFO L168 Benchmark]: Boogie Preprocessor took 92.81 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. [2019-11-26 16:32:55,287 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 1126.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 989.5 MB in the end (delta: -27.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 125.43 ms. Allocated memory is still 1.0 GB. Free memory was 989.5 MB in the beginning and 983.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 92.81 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 0.1.24-025d5a2 [2019-11-26 16:32:59,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:32:59,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:32:59,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:32:59,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:32:59,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:32:59,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:32:59,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:32:59,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:32:59,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:32:59,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:32:59,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:32:59,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:32:59,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:32:59,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:32:59,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:32:59,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:32:59,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:32:59,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:32:59,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:32:59,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:32:59,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:32:59,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:32:59,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:32:59,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:32:59,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:32:59,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:32:59,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:32:59,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:32:59,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:32:59,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:32:59,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:32:59,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:32:59,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:32:59,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:32:59,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:32:59,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:32:59,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:32:59,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:32:59,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:32:59,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:32:59,229 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:32:59,273 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:32:59,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:32:59,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:32:59,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:32:59,282 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:32:59,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:32:59,283 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:32:59,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:32:59,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:32:59,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:32:59,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:32:59,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:32:59,289 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:32:59,290 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:32:59,290 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:32:59,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:32:59,291 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:32:59,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:32:59,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:32:59,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:32:59,292 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:32:59,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:32:59,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:32:59,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:32:59,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:32:59,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:32:59,297 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:32:59,297 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:32:59,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:32:59,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:32:59,300 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a51c87b3f87a550bb7d060ad02516cdb08b506b9 [2019-11-26 16:32:59,920 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:32:59,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:32:59,957 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:32:59,960 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:32:59,964 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:32:59,966 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c [2019-11-26 16:33:00,117 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fff5d649d/ffd138cc39a14fd28c054cf12e4b88a1/FLAGaf3a83027 [2019-11-26 16:33:01,264 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:33:01,265 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c [2019-11-26 16:33:01,303 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fff5d649d/ffd138cc39a14fd28c054cf12e4b88a1/FLAGaf3a83027 [2019-11-26 16:33:01,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fff5d649d/ffd138cc39a14fd28c054cf12e4b88a1 [2019-11-26 16:33:01,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:33:01,358 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:33:01,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:33:01,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:33:01,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:33:01,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:33:01" (1/1) ... [2019-11-26 16:33:01,383 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 26.11 04:33:01, skipping insertion in model container [2019-11-26 16:33:01,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:33:01" (1/1) ... [2019-11-26 16:33:01,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:33:01,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:33:02,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:33:02,327 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:33:02,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:33:02,542 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:33:02,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:33:02 WrapperNode [2019-11-26 16:33:02,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:33:02,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:33:02,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:33:02,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:33:02,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:33:02" (1/1) ... [2019-11-26 16:33:02,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:33:02" (1/1) ... [2019-11-26 16:33:02,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:33:02,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:33:02,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:33:02,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:33:02,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:33:02" (1/1) ... [2019-11-26 16:33:02,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:33:02" (1/1) ... [2019-11-26 16:33:02,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:33:02" (1/1) ... [2019-11-26 16:33:02,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:33:02" (1/1) ... [2019-11-26 16:33:02,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:33:02" (1/1) ... [2019-11-26 16:33:02,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:33:02" (1/1) ... [2019-11-26 16:33:02,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:33:02" (1/1) ... [2019-11-26 16:33:02,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:33:02,867 INFO L168 Benchmark]: Toolchain (without parser) took 1500.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 974.2 MB in the end (delta: -6.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:33:02,870 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:33:02,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1189.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 979.9 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:33:02,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.53 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:33:02,876 INFO L168 Benchmark]: Boogie Preprocessor took 124.66 ms. Allocated memory is still 1.0 GB. Free memory was 979.9 MB in the beginning and 974.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:33:02,886 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1189.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 979.9 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 175.53 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 124.66 ms. Allocated memory is still 1.0 GB. Free memory was 979.9 MB in the beginning and 974.2 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...