./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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-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 6c347afff8e447ace50221adb149313f25c6a4a0 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-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 6c347afff8e447ace50221adb149313f25c6a4a0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 15:41:36,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:36,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:36,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:36,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:36,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:36,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:36,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:36,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:36,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:36,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:36,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:36,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:36,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:36,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:36,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:36,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:36,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:36,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:36,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:36,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:36,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:36,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:36,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:36,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:36,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:36,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:36,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:36,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:36,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:36,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:36,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:36,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:36,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:36,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:36,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:36,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:36,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:36,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:36,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:36,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:36,770 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:41:36,801 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:36,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:36,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:36,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:36,805 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:36,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:36,807 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:36,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:41:36,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:36,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:36,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:36,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:36,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:36,810 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:36,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:36,813 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:36,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:36,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:36,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:36,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:36,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:36,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:36,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:36,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:36,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:36,818 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:41:36,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:41:36,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:36,818 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 -> 6c347afff8e447ace50221adb149313f25c6a4a0 [2019-11-27 15:41:37,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:37,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:37,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:37,339 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:37,339 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:37,340 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_2.cil-2.c [2019-11-27 15:41:37,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6abb790a/77ddc0e74e69404c82f50240e152affc/FLAG3392430a6 [2019-11-27 15:41:38,255 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:38,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_2.cil-2.c [2019-11-27 15:41:38,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6abb790a/77ddc0e74e69404c82f50240e152affc/FLAG3392430a6 [2019-11-27 15:41:38,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6abb790a/77ddc0e74e69404c82f50240e152affc [2019-11-27 15:41:38,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:38,521 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:38,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:38,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:38,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:38,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:38" (1/1) ... [2019-11-27 15:41:38,539 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 03:41:38, skipping insertion in model container [2019-11-27 15:41:38,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:38" (1/1) ... [2019-11-27 15:41:38,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:38,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:39,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:39,162 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:39,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:39,295 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:39,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:39 WrapperNode [2019-11-27 15:41:39,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:39,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:39,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:39,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:39,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:39" (1/1) ... [2019-11-27 15:41:39,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:39" (1/1) ... [2019-11-27 15:41:39,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:39,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:39,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:39,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:39,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:39" (1/1) ... [2019-11-27 15:41:39,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:39" (1/1) ... [2019-11-27 15:41:39,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:39" (1/1) ... [2019-11-27 15:41:39,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:39" (1/1) ... [2019-11-27 15:41:39,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:39" (1/1) ... [2019-11-27 15:41:39,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:39" (1/1) ... [2019-11-27 15:41:39,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:39" (1/1) ... [2019-11-27 15:41:39,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:39,501 INFO L168 Benchmark]: Toolchain (without parser) took 978.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.7 MB in the end (delta: -25.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:39,513 INFO L168 Benchmark]: CDTParser took 2.53 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 15:41:39,514 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.56 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 985.7 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:39,516 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.59 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:39,516 INFO L168 Benchmark]: Boogie Preprocessor took 84.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:39,519 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.53 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 773.56 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 985.7 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 110.59 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 84.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 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 0.1.24-509859d [2019-11-27 15:41:42,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:42,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:42,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:42,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:42,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:42,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:42,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:42,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:42,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:42,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:42,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:42,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:42,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:42,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:42,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:42,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:42,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:42,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:42,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:42,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:42,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:42,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:42,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:42,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:42,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:42,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:42,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:42,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:42,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:42,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:42,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:42,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:42,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:42,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:42,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:42,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:42,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:42,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:42,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:42,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:42,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:41:42,486 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:42,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:42,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:42,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:42,492 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:42,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:42,492 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:42,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:42,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:42,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:42,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:42,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:42,496 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:41:42,496 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:41:42,497 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:42,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:42,497 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:42,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:42,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:42,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:42,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:42,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:42,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:42,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:42,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:42,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:42,502 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:41:42,502 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:41:42,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:42,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:41:42,503 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 -> 6c347afff8e447ace50221adb149313f25c6a4a0 [2019-11-27 15:41:43,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:43,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:43,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:43,039 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:43,041 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:43,043 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_2.cil-2.c [2019-11-27 15:41:43,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/849422377/e85550b39cf24cfb945b6214b869e579/FLAGfb9a57c3c [2019-11-27 15:41:43,966 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:43,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_2.cil-2.c [2019-11-27 15:41:43,988 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/849422377/e85550b39cf24cfb945b6214b869e579/FLAGfb9a57c3c [2019-11-27 15:41:44,196 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/849422377/e85550b39cf24cfb945b6214b869e579 [2019-11-27 15:41:44,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:44,207 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:44,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:44,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:44,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:44,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:44" (1/1) ... [2019-11-27 15:41:44,226 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 03:41:44, skipping insertion in model container [2019-11-27 15:41:44,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:44" (1/1) ... [2019-11-27 15:41:44,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:44,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:44,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:44,884 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:45,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:45,051 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:45,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45 WrapperNode [2019-11-27 15:41:45,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:45,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:45,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:45,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:45,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:45,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:45,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:45,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:45,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:45,247 INFO L168 Benchmark]: Toolchain (without parser) took 1035.28 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 978.5 MB in the end (delta: -12.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:45,247 INFO L168 Benchmark]: CDTParser took 0.33 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. [2019-11-27 15:41:45,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 844.41 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 984.3 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:45,249 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.21 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 15:41:45,258 INFO L168 Benchmark]: Boogie Preprocessor took 86.14 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 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. [2019-11-27 15:41:45,264 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 844.41 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 984.3 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 99.21 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 86.14 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 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...