./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_1.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_1.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 eba2b941566e2fb2ae010597707522fdb9036fd8 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_1.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 eba2b941566e2fb2ae010597707522fdb9036fd8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:41:30,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:30,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:30,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:30,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:30,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:30,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:30,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:30,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:30,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:30,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:30,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:30,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:30,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:30,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:30,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:30,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:30,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:30,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:30,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:30,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:30,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:30,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:30,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:30,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:30,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:30,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:30,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:30,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:30,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:30,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:30,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:30,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:30,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:30,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:30,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:30,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:30,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:30,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:30,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:30,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:30,670 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:41:30,711 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:30,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:30,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:30,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:30,720 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:30,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:30,721 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:30,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:41:30,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:30,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:30,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:30,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:30,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:30,725 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:30,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:30,725 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:30,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:30,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:30,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:30,730 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:30,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:30,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:30,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:30,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:30,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:30,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:41:30,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:41:30,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:30,734 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 -> eba2b941566e2fb2ae010597707522fdb9036fd8 [2019-11-27 15:41:31,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:31,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:31,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:31,321 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:31,326 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:31,327 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_1.cil-2.c [2019-11-27 15:41:31,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6571efbd/f2430d34fa0548e49ce9ffd39cf0a72e/FLAG3514213b4 [2019-11-27 15:41:32,579 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:32,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_1.cil-2.c [2019-11-27 15:41:32,606 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6571efbd/f2430d34fa0548e49ce9ffd39cf0a72e/FLAG3514213b4 [2019-11-27 15:41:32,634 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6571efbd/f2430d34fa0548e49ce9ffd39cf0a72e [2019-11-27 15:41:32,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:32,642 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:32,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:32,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:32,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:32,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:32" (1/1) ... [2019-11-27 15:41:32,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc750d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:32, skipping insertion in model container [2019-11-27 15:41:32,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:32" (1/1) ... [2019-11-27 15:41:32,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:32,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:33,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:33,396 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:33,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:33,597 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:33,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:33 WrapperNode [2019-11-27 15:41:33,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:33,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:33,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:33,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:33,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:33" (1/1) ... [2019-11-27 15:41:33,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:33" (1/1) ... [2019-11-27 15:41:33,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:33,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:33,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:33,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:33,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:33" (1/1) ... [2019-11-27 15:41:33,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:33" (1/1) ... [2019-11-27 15:41:33,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:33" (1/1) ... [2019-11-27 15:41:33,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:33" (1/1) ... [2019-11-27 15:41:33,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:33" (1/1) ... [2019-11-27 15:41:33,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:33" (1/1) ... [2019-11-27 15:41:33,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:33" (1/1) ... [2019-11-27 15:41:33,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:33,915 INFO L168 Benchmark]: Toolchain (without parser) took 1265.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 985.3 MB in the end (delta: -23.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:33,916 INFO L168 Benchmark]: CDTParser took 0.38 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 15:41:33,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 952.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.0 MB in the end (delta: -29.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:33,925 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.56 ms. Allocated memory is still 1.0 GB. Free memory was 991.0 MB in the beginning and 985.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:33,926 INFO L168 Benchmark]: Boogie Preprocessor took 134.63 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:33,935 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 952.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.0 MB in the end (delta: -29.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 163.56 ms. Allocated memory is still 1.0 GB. Free memory was 991.0 MB in the beginning and 985.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 134.63 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 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 15:41:37,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:37,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:37,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:37,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:37,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:37,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:37,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:37,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:37,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:37,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:37,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:37,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:37,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:37,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:37,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:37,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:37,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:37,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:37,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:37,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:37,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:37,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:37,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:37,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:37,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:37,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:37,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:37,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:37,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:37,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:37,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:37,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:37,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:37,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:37,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:37,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:37,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:37,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:37,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:37,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:37,994 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:41:38,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:38,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:38,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:38,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:38,040 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:38,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:38,043 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:38,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:38,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:38,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:38,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:38,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:38,048 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:41:38,049 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:41:38,049 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:38,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:38,050 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:38,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:38,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:38,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:38,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:38,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:38,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:38,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:38,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:38,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:38,056 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:41:38,057 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:41:38,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:38,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:41:38,061 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 -> eba2b941566e2fb2ae010597707522fdb9036fd8 [2019-11-27 15:41:38,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:38,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:38,695 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:38,703 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:38,704 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:38,705 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_1.cil-2.c [2019-11-27 15:41:38,866 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/825712f83/1d75e944387c4dd0bd0307e36945fbc1/FLAG43c3bc680 [2019-11-27 15:41:39,988 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:39,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_1.cil-2.c [2019-11-27 15:41:40,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/825712f83/1d75e944387c4dd0bd0307e36945fbc1/FLAG43c3bc680 [2019-11-27 15:41:40,063 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/825712f83/1d75e944387c4dd0bd0307e36945fbc1 [2019-11-27 15:41:40,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:40,075 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:40,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:40,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:40,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:40,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:40" (1/1) ... [2019-11-27 15:41:40,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b26986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:40, skipping insertion in model container [2019-11-27 15:41:40,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:40" (1/1) ... [2019-11-27 15:41:40,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:40,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:40,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:41,002 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:41,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:41,250 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:41,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41 WrapperNode [2019-11-27 15:41:41,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:41,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:41,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:41,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:41,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:41,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:41,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:41,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:41,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:41,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:41,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:41,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:41,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:41,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:41,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:41,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:41,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:41" (1/1) ... [2019-11-27 15:41:41,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:41,562 INFO L168 Benchmark]: Toolchain (without parser) took 1482.97 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 984.0 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:41,566 INFO L168 Benchmark]: CDTParser took 0.40 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 15:41:41,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1171.93 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 989.7 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:41,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.61 ms. Allocated memory is still 1.0 GB. Free memory was 989.7 MB in the beginning and 984.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:41,573 INFO L168 Benchmark]: Boogie Preprocessor took 134.46 ms. Allocated memory is still 1.0 GB. Free memory is still 984.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:41,587 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 1171.93 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 989.7 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 161.61 ms. Allocated memory is still 1.0 GB. Free memory was 989.7 MB in the beginning and 984.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 134.46 ms. Allocated memory is still 1.0 GB. Free memory is still 984.0 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...