./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 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ssh-simplified/s3_srvr_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 0.1.24-025d5a2 [2019-11-26 16:32:44,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:32:44,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:32:44,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:32:44,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:32:44,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:32:44,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:32:44,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:32:44,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:32:44,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:32:44,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:32:44,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:32:44,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:32:44,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:32:44,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:32:44,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:32:44,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:32:44,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:32:44,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:32:44,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:32:44,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:32:44,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:32:44,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:32:44,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:32:44,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:32:44,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:32:44,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:32:44,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:32:44,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:32:44,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:32:44,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:32:44,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:32:44,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:32:44,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:32:44,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:32:44,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:32:44,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:32:44,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:32:44,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:32:44,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:32:44,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:32:44,724 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:32:44,761 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:32:44,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:32:44,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:32:44,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:32:44,768 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:32:44,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:32:44,771 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:32:44,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:32:44,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:32:44,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:32:44,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:32:44,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:32:44,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:32:44,774 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:32:44,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:32:44,778 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:32:44,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:32:44,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:32:44,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:32:44,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:32:44,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:32:44,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:32:44,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:32:44,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:32:44,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:32:44,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:32:44,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:32:44,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:32:44,783 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 [2019-11-26 16:32:45,426 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:32:45,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:32:45,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:32:45,466 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:32:45,470 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:32:45,471 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_1.cil-2.c [2019-11-26 16:32:45,629 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5138cf91/3dffd335c77644fbac674004684243ec/FLAG2799615dc [2019-11-26 16:32:46,804 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:32:46,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_1.cil-2.c [2019-11-26 16:32:46,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5138cf91/3dffd335c77644fbac674004684243ec/FLAG2799615dc [2019-11-26 16:32:46,892 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5138cf91/3dffd335c77644fbac674004684243ec [2019-11-26 16:32:46,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:32:46,907 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:32:46,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:46,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:32:46,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:32:46,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:46" (1/1) ... [2019-11-26 16:32:46,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c001282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:46, skipping insertion in model container [2019-11-26 16:32:46,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:46" (1/1) ... [2019-11-26 16:32:46,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:32:47,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:32:47,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:47,823 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:32:48,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:48,062 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:32:48,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:48 WrapperNode [2019-11-26 16:32:48,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:48,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:48,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:32:48,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:32:48,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:48" (1/1) ... [2019-11-26 16:32:48,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:48" (1/1) ... [2019-11-26 16:32:48,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:48,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:32:48,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:32:48,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:32:48,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:48" (1/1) ... [2019-11-26 16:32:48,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:48" (1/1) ... [2019-11-26 16:32:48,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:48" (1/1) ... [2019-11-26 16:32:48,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:48" (1/1) ... [2019-11-26 16:32:48,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:48" (1/1) ... [2019-11-26 16:32:48,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:48" (1/1) ... [2019-11-26 16:32:48,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:48" (1/1) ... [2019-11-26 16:32:48,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:32:48,322 INFO L168 Benchmark]: Toolchain (without parser) took 1417.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 983.8 MB in the end (delta: -22.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:32:48,337 INFO L168 Benchmark]: CDTParser took 2.85 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. [2019-11-26 16:32:48,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1156.19 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 989.5 MB in the end (delta: -27.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:48,344 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.84 ms. Allocated memory is still 1.0 GB. Free memory was 989.5 MB in the beginning and 983.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:48,346 INFO L168 Benchmark]: Boogie Preprocessor took 102.14 ms. Allocated memory is still 1.0 GB. Free memory is still 983.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:32:48,355 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.85 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 1156.19 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 989.5 MB in the end (delta: -27.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 148.84 ms. Allocated memory is still 1.0 GB. Free memory was 989.5 MB in the beginning and 983.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 102.14 ms. Allocated memory is still 1.0 GB. Free memory is still 983.8 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:32:52,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:32:52,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:32:52,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:32:52,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:32:52,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:32:52,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:32:52,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:32:52,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:32:52,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:32:52,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:32:52,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:32:52,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:32:52,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:32:52,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:32:52,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:32:52,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:32:52,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:32:52,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:32:52,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:32:52,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:32:52,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:32:52,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:32:52,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:32:52,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:32:52,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:32:52,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:32:52,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:32:52,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:32:52,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:32:52,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:32:52,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:32:52,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:32:52,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:32:52,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:32:52,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:32:52,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:32:52,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:32:52,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:32:52,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:32:52,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:32:52,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:32:52,371 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:32:52,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:32:52,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:32:52,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:32:52,383 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:32:52,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:32:52,384 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:32:52,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:32:52,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:32:52,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:32:52,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:32:52,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:32:52,388 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:32:52,390 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:32:52,390 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:32:52,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:32:52,391 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:32:52,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:32:52,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:32:52,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:32:52,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:32:52,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:32:52,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:32:52,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:32:52,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:32:52,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:32:52,398 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:32:52,398 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:32:52,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:32:52,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:32:52,400 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 [2019-11-26 16:32:52,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:32:52,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:32:52,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:32:52,975 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:32:52,978 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:32:52,980 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_1.cil-2.c [2019-11-26 16:32:53,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a70bd304f/40a63f32e23a417588b26b1c36cac97e/FLAG81942607e [2019-11-26 16:32:54,289 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:32:54,297 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_1.cil-2.c [2019-11-26 16:32:54,339 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a70bd304f/40a63f32e23a417588b26b1c36cac97e/FLAG81942607e [2019-11-26 16:32:54,376 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a70bd304f/40a63f32e23a417588b26b1c36cac97e [2019-11-26 16:32:54,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:32:54,388 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:32:54,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:54,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:32:54,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:32:54,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:54" (1/1) ... [2019-11-26 16:32:54,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c99d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:54, skipping insertion in model container [2019-11-26 16:32:54,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:54" (1/1) ... [2019-11-26 16:32:54,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:32:54,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:32:55,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:55,292 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:32:55,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:55,505 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:32:55,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55 WrapperNode [2019-11-26 16:32:55,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:55,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:55,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:32:55,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:32:55,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55" (1/1) ... [2019-11-26 16:32:55,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55" (1/1) ... [2019-11-26 16:32:55,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:55,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:32:55,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:32:55,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:32:55,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55" (1/1) ... [2019-11-26 16:32:55,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55" (1/1) ... [2019-11-26 16:32:55,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55" (1/1) ... [2019-11-26 16:32:55,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55" (1/1) ... [2019-11-26 16:32:55,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55" (1/1) ... [2019-11-26 16:32:55,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55" (1/1) ... [2019-11-26 16:32:55,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:55" (1/1) ... [2019-11-26 16:32:55,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:32:55,819 INFO L168 Benchmark]: Toolchain (without parser) took 1426.22 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 974.2 MB in the end (delta: -12.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:32:55,822 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-26 16:32:55,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1115.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 980.0 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:55,826 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.67 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:32:55,827 INFO L168 Benchmark]: Boogie Preprocessor took 138.88 ms. Allocated memory is still 1.0 GB. Free memory was 980.0 MB in the beginning and 974.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:55,841 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 1115.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 980.0 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 154.67 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 138.88 ms. Allocated memory is still 1.0 GB. Free memory was 980.0 MB in the beginning and 974.2 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...