./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_clnt_3.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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_clnt_3.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 3bba758cc64c45156c09d7dbdd14abb9dadc75f2 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_clnt_3.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 3bba758cc64c45156c09d7dbdd14abb9dadc75f2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 20:38:32,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:38:32,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:38:32,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:38:32,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:38:32,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:38:32,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:38:32,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:38:32,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:38:32,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:38:32,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:38:32,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:38:32,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:38:32,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:38:32,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:38:32,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:38:32,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:38:32,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:38:32,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:38:32,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:38:32,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:38:32,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:38:32,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:38:32,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:38:32,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:38:32,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:38:32,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:38:32,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:38:32,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:38:32,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:38:32,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:38:32,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:38:32,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:38:32,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:38:32,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:38:32,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:38:32,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:38:32,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:38:32,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:38:32,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:38:32,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:38:32,832 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:38:32,873 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:38:32,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:38:32,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:38:32,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:38:32,881 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:38:32,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:38:32,881 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:38:32,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:38:32,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:38:32,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:38:32,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:38:32,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:38:32,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:38:32,887 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:38:32,887 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:38:32,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:38:32,889 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:38:32,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:38:32,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:38:32,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:38:32,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:38:32,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:38:32,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:38:32,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:38:32,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:38:32,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:38:32,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:38:32,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:38:32,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:38:32,896 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 -> 3bba758cc64c45156c09d7dbdd14abb9dadc75f2 [2019-11-24 20:38:33,466 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:38:33,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:38:33,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:38:33,509 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:38:33,511 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:38:33,512 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_clnt_3.cil-2.c [2019-11-24 20:38:33,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08472b681/9eca58b175034ff589832b80485ecb10/FLAG07bfcb8b3 [2019-11-24 20:38:34,907 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:38:34,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_clnt_3.cil-2.c [2019-11-24 20:38:34,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08472b681/9eca58b175034ff589832b80485ecb10/FLAG07bfcb8b3 [2019-11-24 20:38:34,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08472b681/9eca58b175034ff589832b80485ecb10 [2019-11-24 20:38:34,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:38:34,993 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:38:35,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:35,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:38:35,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:38:35,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:34" (1/1) ... [2019-11-24 20:38:35,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f7ae881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:35, skipping insertion in model container [2019-11-24 20:38:35,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:34" (1/1) ... [2019-11-24 20:38:35,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:38:35,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:38:35,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:35,909 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:38:36,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:36,111 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:38:36,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:36 WrapperNode [2019-11-24 20:38:36,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:36,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:36,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:38:36,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:38:36,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:36" (1/1) ... [2019-11-24 20:38:36,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:36" (1/1) ... [2019-11-24 20:38:36,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:36,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:38:36,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:38:36,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:38:36,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:36" (1/1) ... [2019-11-24 20:38:36,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:36" (1/1) ... [2019-11-24 20:38:36,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:36" (1/1) ... [2019-11-24 20:38:36,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:36" (1/1) ... [2019-11-24 20:38:36,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:36" (1/1) ... [2019-11-24 20:38:36,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:36" (1/1) ... [2019-11-24 20:38:36,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:36" (1/1) ... [2019-11-24 20:38:36,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:38:36,432 INFO L168 Benchmark]: Toolchain (without parser) took 1429.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 974.2 MB in the end (delta: -8.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:36,433 INFO L168 Benchmark]: CDTParser took 4.04 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. [2019-11-24 20:38:36,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1111.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 979.9 MB in the end (delta: -13.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:36,438 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.34 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. [2019-11-24 20:38:36,439 INFO L168 Benchmark]: Boogie Preprocessor took 137.66 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. [2019-11-24 20:38:36,448 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.04 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 1111.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 979.9 MB in the end (delta: -13.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 167.34 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 137.66 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 20:38:40,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:38:40,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:38:40,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:38:40,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:38:40,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:38:40,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:38:40,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:38:40,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:38:40,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:38:40,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:38:40,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:38:40,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:38:40,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:38:40,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:38:40,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:38:40,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:38:40,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:38:40,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:38:40,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:38:40,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:38:40,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:38:40,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:38:40,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:38:40,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:38:40,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:38:40,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:38:40,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:38:40,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:38:40,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:38:40,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:38:40,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:38:40,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:38:40,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:38:40,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:38:40,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:38:40,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:38:40,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:38:40,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:38:40,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:38:40,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:38:40,470 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:38:40,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:38:40,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:38:40,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:38:40,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:38:40,519 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:38:40,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:38:40,520 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:38:40,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:38:40,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:38:40,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:38:40,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:38:40,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:38:40,524 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:38:40,524 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:38:40,527 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:38:40,527 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:38:40,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:38:40,528 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:38:40,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:38:40,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:38:40,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:38:40,529 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:38:40,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:38:40,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:38:40,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:38:40,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:38:40,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:38:40,533 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:38:40,534 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:38:40,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:38:40,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:38:40,538 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 -> 3bba758cc64c45156c09d7dbdd14abb9dadc75f2 [2019-11-24 20:38:41,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:38:41,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:38:41,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:38:41,167 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:38:41,171 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:38:41,172 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_clnt_3.cil-2.c [2019-11-24 20:38:41,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b4a2e38c/942eea720c2145dfb81d6d6daf910688/FLAG1382f35db [2019-11-24 20:38:42,500 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:38:42,505 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_clnt_3.cil-2.c [2019-11-24 20:38:42,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b4a2e38c/942eea720c2145dfb81d6d6daf910688/FLAG1382f35db [2019-11-24 20:38:42,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b4a2e38c/942eea720c2145dfb81d6d6daf910688 [2019-11-24 20:38:42,588 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:38:42,592 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:38:42,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:42,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:38:42,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:38:42,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:42" (1/1) ... [2019-11-24 20:38:42,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cca9c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:42, skipping insertion in model container [2019-11-24 20:38:42,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:42" (1/1) ... [2019-11-24 20:38:42,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:38:42,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:38:43,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:43,535 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:38:43,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:43,722 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:38:43,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:43 WrapperNode [2019-11-24 20:38:43,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:43,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:43,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:38:43,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:38:43,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:43" (1/1) ... [2019-11-24 20:38:43,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:43" (1/1) ... [2019-11-24 20:38:43,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:43,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:38:43,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:38:43,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:38:43,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:43" (1/1) ... [2019-11-24 20:38:43,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:43" (1/1) ... [2019-11-24 20:38:43,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:43" (1/1) ... [2019-11-24 20:38:43,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:43" (1/1) ... [2019-11-24 20:38:43,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:43" (1/1) ... [2019-11-24 20:38:43,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:43" (1/1) ... [2019-11-24 20:38:43,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:43" (1/1) ... [2019-11-24 20:38:43,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:38:44,006 INFO L168 Benchmark]: Toolchain (without parser) took 1407.04 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 978.5 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:44,012 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-24 20:38:44,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1128.77 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 984.2 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:44,017 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.81 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. [2019-11-24 20:38:44,018 INFO L168 Benchmark]: Boogie Preprocessor took 132.62 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. [2019-11-24 20:38:44,024 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 1128.77 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 984.2 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 138.81 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 132.62 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...