./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_2.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ssh-simplified/s3_srvr_2.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 28eb30d9833654ceca3228385af91acd247ea794 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_2.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 28eb30d9833654ceca3228385af91acd247ea794 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:19:47,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:47,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:47,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:47,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:47,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:47,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:47,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:47,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:47,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:47,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:47,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:47,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:47,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:47,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:47,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:47,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:47,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:47,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:47,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:47,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:47,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:47,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:47,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:47,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:47,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:47,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:47,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:47,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:47,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:47,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:47,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:47,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:47,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:47,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:47,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:47,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:47,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:47,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:47,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:47,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:47,729 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:19:47,756 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:47,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:47,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:47,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:47,763 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:47,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:47,764 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:47,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:19:47,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:47,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:47,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:47,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:47,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:47,767 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:47,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:47,770 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:47,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:47,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:47,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:47,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:47,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:47,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:47,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:47,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:47,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:47,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:19:47,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:19:47,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:47,773 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 -> 28eb30d9833654ceca3228385af91acd247ea794 [2019-11-27 09:19:48,201 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:48,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:48,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:48,228 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:48,229 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:48,233 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_2.cil-1.c [2019-11-27 09:19:48,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/463ce178c/a452a70afd744eb092842878d5ec238b/FLAG25ff4d5c0 [2019-11-27 09:19:49,146 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:49,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_2.cil-1.c [2019-11-27 09:19:49,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/463ce178c/a452a70afd744eb092842878d5ec238b/FLAG25ff4d5c0 [2019-11-27 09:19:49,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/463ce178c/a452a70afd744eb092842878d5ec238b [2019-11-27 09:19:49,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:49,390 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:49,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:49,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:49,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:49,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:49" (1/1) ... [2019-11-27 09:19:49,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785470ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:49, skipping insertion in model container [2019-11-27 09:19:49,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:49" (1/1) ... [2019-11-27 09:19:49,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:49,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:50,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:50,029 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:50,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:50,170 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:50,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50 WrapperNode [2019-11-27 09:19:50,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:50,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:50,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:50,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:50,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:50,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:50,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:50,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:50,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:50,379 INFO L168 Benchmark]: Toolchain (without parser) took 985.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 984.1 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:50,381 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:50,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 989.8 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:50,399 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.53 ms. Allocated memory is still 1.0 GB. Free memory was 989.8 MB in the beginning and 984.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:50,401 INFO L168 Benchmark]: Boogie Preprocessor took 78.51 ms. Allocated memory is still 1.0 GB. Free memory is still 984.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:50,410 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 779.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 989.8 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 117.53 ms. Allocated memory is still 1.0 GB. Free memory was 989.8 MB in the beginning and 984.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 78.51 ms. Allocated memory is still 1.0 GB. Free memory is still 984.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:19:53,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:53,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:53,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:53,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:53,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:53,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:53,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:53,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:53,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:53,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:53,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:53,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:53,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:53,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:53,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:53,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:53,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:53,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:53,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:53,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:53,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:53,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:53,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:53,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:53,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:53,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:53,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:53,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:53,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:53,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:53,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:53,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:53,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:53,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:53,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:53,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:53,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:53,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:53,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:53,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:53,318 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:19:53,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:53,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:53,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:53,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:53,353 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:53,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:53,353 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:53,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:53,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:53,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:53,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:53,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:53,357 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:19:53,357 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:19:53,358 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:53,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:53,358 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:53,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:53,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:53,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:53,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:53,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:53,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:53,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:53,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:53,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:53,362 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:19:53,363 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:19:53,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:53,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:19:53,365 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 -> 28eb30d9833654ceca3228385af91acd247ea794 [2019-11-27 09:19:53,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:53,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:53,827 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:53,828 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:53,829 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:53,830 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_2.cil-1.c [2019-11-27 09:19:53,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c6d6633/ee699a1d55224d14a0cc56a6009778e2/FLAGb7a5622be [2019-11-27 09:19:54,746 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:54,748 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_2.cil-1.c [2019-11-27 09:19:54,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c6d6633/ee699a1d55224d14a0cc56a6009778e2/FLAGb7a5622be [2019-11-27 09:19:54,996 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c6d6633/ee699a1d55224d14a0cc56a6009778e2 [2019-11-27 09:19:55,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:55,009 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:55,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:55,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:55,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:55,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:54" (1/1) ... [2019-11-27 09:19:55,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ba7315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:55, skipping insertion in model container [2019-11-27 09:19:55,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:54" (1/1) ... [2019-11-27 09:19:55,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:55,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:55,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:55,663 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:55,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:55,816 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:55,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:55 WrapperNode [2019-11-27 09:19:55,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:55,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:55,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:55,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:55,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:55" (1/1) ... [2019-11-27 09:19:55,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:55" (1/1) ... [2019-11-27 09:19:55,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:55,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:55,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:55,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:55,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:55" (1/1) ... [2019-11-27 09:19:55,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:55" (1/1) ... [2019-11-27 09:19:55,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:55" (1/1) ... [2019-11-27 09:19:55,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:55" (1/1) ... [2019-11-27 09:19:55,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:55" (1/1) ... [2019-11-27 09:19:55,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:55" (1/1) ... [2019-11-27 09:19:56,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:55" (1/1) ... [2019-11-27 09:19:56,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:56,015 INFO L168 Benchmark]: Toolchain (without parser) took 1004.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.6 MB in the end (delta: -18.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:56,021 INFO L168 Benchmark]: CDTParser took 1.60 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:56,022 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 984.3 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:56,023 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.33 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:56,024 INFO L168 Benchmark]: Boogie Preprocessor took 93.37 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:56,031 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.60 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 803.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 984.3 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 100.33 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 93.37 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.6 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...