./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_3.cil.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_3.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 04e0282fb07d3e422f01aa279aee523182698ba7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_3.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 04e0282fb07d3e422f01aa279aee523182698ba7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:32:47,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:32:47,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:32:47,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:32:47,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:32:47,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:32:47,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:32:47,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:32:47,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:32:47,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:32:47,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:32:47,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:32:47,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:32:47,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:32:47,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:32:47,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:32:47,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:32:47,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:32:47,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:32:47,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:32:47,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:32:47,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:32:47,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:32:47,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:32:47,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:32:47,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:32:47,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:32:47,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:32:47,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:32:47,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:32:47,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:32:47,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:32:47,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:32:47,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:32:47,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:32:47,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:32:47,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:32:47,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:32:47,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:32:47,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:32:47,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:32:47,628 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:32:47,657 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:32:47,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:32:47,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:32:47,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:32:47,662 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:32:47,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:32:47,665 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:32:47,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:32:47,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:32:47,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:32:47,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:32:47,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:32:47,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:32:47,668 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:32:47,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:32:47,668 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:32:47,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:32:47,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:32:47,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:32:47,670 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:32:47,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:32:47,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:32:47,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:32:47,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:32:47,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:32:47,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:32:47,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:32:47,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:32:47,674 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 -> 04e0282fb07d3e422f01aa279aee523182698ba7 [2019-11-26 16:32:48,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:32:48,333 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:32:48,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:32:48,346 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:32:48,347 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:32:48,348 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_3.cil.c [2019-11-26 16:32:48,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d83bcf9/16a89e6672374af2a0bb943b5ef03f65/FLAG1610819c2 [2019-11-26 16:32:49,611 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:32:49,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_3.cil.c [2019-11-26 16:32:49,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d83bcf9/16a89e6672374af2a0bb943b5ef03f65/FLAG1610819c2 [2019-11-26 16:32:49,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d83bcf9/16a89e6672374af2a0bb943b5ef03f65 [2019-11-26 16:32:49,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:32:49,704 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:32:49,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:49,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:32:49,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:32:49,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:49" (1/1) ... [2019-11-26 16:32:49,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c99d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:49, skipping insertion in model container [2019-11-26 16:32:49,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:49" (1/1) ... [2019-11-26 16:32:49,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:32:49,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:32:50,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:50,627 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:32:50,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:50,847 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:32:50,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:50 WrapperNode [2019-11-26 16:32:50,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:50,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:50,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:32:50,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:32:50,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:50" (1/1) ... [2019-11-26 16:32:50,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:50" (1/1) ... [2019-11-26 16:32:51,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:51,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:32:51,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:32:51,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:32:51,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:50" (1/1) ... [2019-11-26 16:32:51,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:50" (1/1) ... [2019-11-26 16:32:51,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:50" (1/1) ... [2019-11-26 16:32:51,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:50" (1/1) ... [2019-11-26 16:32:51,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:50" (1/1) ... [2019-11-26 16:32:51,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:50" (1/1) ... [2019-11-26 16:32:51,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:50" (1/1) ... [2019-11-26 16:32:51,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:32:51,142 INFO L168 Benchmark]: Toolchain (without parser) took 1417.66 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 983.8 MB in the end (delta: -16.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:32:51,143 INFO L168 Benchmark]: CDTParser took 0.31 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 16:32:51,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1141.63 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 989.6 MB in the end (delta: -22.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:51,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.71 ms. Allocated memory is still 1.0 GB. Free memory was 989.6 MB in the beginning and 983.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:51,151 INFO L168 Benchmark]: Boogie Preprocessor took 101.69 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 16:32:51,162 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 1141.63 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 989.6 MB in the end (delta: -22.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 165.71 ms. Allocated memory is still 1.0 GB. Free memory was 989.6 MB in the beginning and 983.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 101.69 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 16:32:55,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:32:55,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:32:55,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:32:55,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:32:55,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:32:55,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:32:55,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:32:55,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:32:55,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:32:55,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:32:55,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:32:55,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:32:55,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:32:55,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:32:55,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:32:55,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:32:55,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:32:55,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:32:55,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:32:55,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:32:55,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:32:55,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:32:55,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:32:55,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:32:55,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:32:55,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:32:55,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:32:55,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:32:55,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:32:55,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:32:55,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:32:55,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:32:55,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:32:55,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:32:55,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:32:55,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:32:55,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:32:55,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:32:55,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:32:55,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:32:55,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:32:55,363 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:32:55,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:32:55,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:32:55,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:32:55,370 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:32:55,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:32:55,372 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:32:55,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:32:55,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:32:55,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:32:55,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:32:55,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:32:55,377 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:32:55,378 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:32:55,378 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:32:55,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:32:55,380 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:32:55,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:32:55,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:32:55,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:32:55,383 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:32:55,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:32:55,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:32:55,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:32:55,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:32:55,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:32:55,386 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:32:55,386 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:32:55,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:32:55,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:32:55,390 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 -> 04e0282fb07d3e422f01aa279aee523182698ba7 [2019-11-26 16:32:55,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:32:56,010 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:32:56,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:32:56,021 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:32:56,025 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:32:56,026 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_3.cil.c [2019-11-26 16:32:56,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/880af8f7a/1458618b2353486f93c3d0241d3cc571/FLAGa95b7be0b [2019-11-26 16:32:57,320 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:32:57,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_3.cil.c [2019-11-26 16:32:57,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/880af8f7a/1458618b2353486f93c3d0241d3cc571/FLAGa95b7be0b [2019-11-26 16:32:57,506 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/880af8f7a/1458618b2353486f93c3d0241d3cc571 [2019-11-26 16:32:57,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:32:57,523 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:32:57,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:57,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:32:57,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:32:57,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:57" (1/1) ... [2019-11-26 16:32:57,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f65d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:57, skipping insertion in model container [2019-11-26 16:32:57,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:57" (1/1) ... [2019-11-26 16:32:57,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:32:57,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:32:58,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:58,438 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:32:58,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:58,630 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:32:58,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:58 WrapperNode [2019-11-26 16:32:58,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:58,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:58,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:32:58,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:32:58,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:58" (1/1) ... [2019-11-26 16:32:58,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:58" (1/1) ... [2019-11-26 16:32:58,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:58,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:32:58,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:32:58,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:32:58,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:58" (1/1) ... [2019-11-26 16:32:58,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:58" (1/1) ... [2019-11-26 16:32:58,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:58" (1/1) ... [2019-11-26 16:32:58,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:58" (1/1) ... [2019-11-26 16:32:58,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:58" (1/1) ... [2019-11-26 16:32:58,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:58" (1/1) ... [2019-11-26 16:32:58,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:58" (1/1) ... [2019-11-26 16:32:58,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:32:58,935 INFO L168 Benchmark]: Toolchain (without parser) took 1407.66 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. [2019-11-26 16:32:58,937 INFO L168 Benchmark]: CDTParser took 2.62 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 16:32:58,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1106.84 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. [2019-11-26 16:32:58,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.53 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. [2019-11-26 16:32:58,943 INFO L168 Benchmark]: Boogie Preprocessor took 136.16 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. [2019-11-26 16:32:58,955 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.62 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 1106.84 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 156.53 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 136.16 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...