./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_3.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ssh-simplified/s3_srvr_3.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 04e0282fb07d3e422f01aa279aee523182698ba7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ssh-simplified/s3_srvr_3.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 04e0282fb07d3e422f01aa279aee523182698ba7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 20:38:43,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:38:43,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:38:43,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:38:43,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:38:43,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:38:43,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:38:43,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:38:43,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:38:43,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:38:43,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:38:43,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:38:43,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:38:43,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:38:43,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:38:43,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:38:43,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:38:43,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:38:43,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:38:43,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:38:43,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:38:43,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:38:43,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:38:43,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:38:43,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:38:43,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:38:43,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:38:43,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:38:43,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:38:43,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:38:43,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:38:43,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:38:43,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:38:43,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:38:43,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:38:43,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:38:43,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:38:43,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:38:43,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:38:43,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:38:43,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:38:43,216 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:38:43,258 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:38:43,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:38:43,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:38:43,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:38:43,265 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:38:43,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:38:43,266 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:38:43,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:38:43,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:38:43,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:38:43,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:38:43,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:38:43,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:38:43,273 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:38:43,273 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:38:43,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:38:43,274 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:38:43,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:38:43,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:38:43,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:38:43,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:38:43,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:38:43,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:38:43,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:38:43,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:38:43,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:38:43,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:38:43,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:38:43,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:38:43,283 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04e0282fb07d3e422f01aa279aee523182698ba7 [2019-11-24 20:38:43,931 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:38:43,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:38:43,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:38:43,975 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:38:43,977 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:38:43,978 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_3.cil.c [2019-11-24 20:38:44,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34b0f89b8/851aa7187b524008881243e4ba4121ec/FLAG228afe9de [2019-11-24 20:38:45,334 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:38:45,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_3.cil.c [2019-11-24 20:38:45,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34b0f89b8/851aa7187b524008881243e4ba4121ec/FLAG228afe9de [2019-11-24 20:38:45,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34b0f89b8/851aa7187b524008881243e4ba4121ec [2019-11-24 20:38:45,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:38:45,426 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:38:45,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:45,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:38:45,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:38:45,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:45" (1/1) ... [2019-11-24 20:38:45,452 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 24.11 08:38:45, skipping insertion in model container [2019-11-24 20:38:45,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:45" (1/1) ... [2019-11-24 20:38:45,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:38:45,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:38:46,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:46,356 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:38:46,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:46,552 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:38:46,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46 WrapperNode [2019-11-24 20:38:46,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:46,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:46,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:38:46,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:38:46,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:46,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:46,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:46,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:38:46,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:38:46,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:38:46,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:46,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:46,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:46,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:46,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:46,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:46,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:46" (1/1) ... [2019-11-24 20:38:46,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:38:46,846 INFO L168 Benchmark]: Toolchain (without parser) took 1406.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 983.8 MB in the end (delta: -16.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:46,856 INFO L168 Benchmark]: CDTParser took 2.05 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. [2019-11-24 20:38:46,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1129.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 989.6 MB in the end (delta: -22.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:46,862 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.93 ms. Allocated memory is still 1.0 GB. Free memory was 989.6 MB in the beginning and 983.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:46,863 INFO L168 Benchmark]: Boogie Preprocessor took 97.26 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. [2019-11-24 20:38:46,874 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.05 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 1129.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 989.6 MB in the end (delta: -22.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 169.93 ms. Allocated memory is still 1.0 GB. Free memory was 989.6 MB in the beginning and 983.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 97.26 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 0.1.24-32f2683 [2019-11-24 20:38:50,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:38:50,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:38:50,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:38:50,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:38:50,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:38:50,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:38:50,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:38:50,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:38:50,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:38:50,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:38:50,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:38:50,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:38:50,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:38:50,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:38:50,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:38:50,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:38:50,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:38:50,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:38:50,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:38:50,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:38:50,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:38:50,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:38:50,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:38:50,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:38:50,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:38:50,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:38:50,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:38:50,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:38:50,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:38:50,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:38:50,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:38:50,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:38:50,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:38:50,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:38:50,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:38:50,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:38:50,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:38:50,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:38:50,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:38:50,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:38:50,921 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:38:50,962 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:38:50,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:38:50,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:38:50,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:38:50,971 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:38:50,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:38:50,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:38:50,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:38:50,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:38:50,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:38:50,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:38:50,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:38:50,979 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:38:50,980 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:38:50,980 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:38:50,980 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:38:50,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:38:50,981 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:38:50,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:38:50,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:38:50,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:38:50,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:38:50,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:38:50,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:38:50,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:38:50,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:38:50,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:38:50,987 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:38:50,988 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:38:50,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:38:50,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:38:50,993 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04e0282fb07d3e422f01aa279aee523182698ba7 [2019-11-24 20:38:51,625 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:38:51,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:38:51,660 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:38:51,666 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:38:51,669 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:38:51,670 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_3.cil.c [2019-11-24 20:38:51,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/720923c4f/8c696449990f49f1b9c4225d4c238ad8/FLAGcaec1f7f1 [2019-11-24 20:38:53,003 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:38:53,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_3.cil.c [2019-11-24 20:38:53,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/720923c4f/8c696449990f49f1b9c4225d4c238ad8/FLAGcaec1f7f1 [2019-11-24 20:38:53,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/720923c4f/8c696449990f49f1b9c4225d4c238ad8 [2019-11-24 20:38:53,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:38:53,102 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:38:53,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:53,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:38:53,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:38:53,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:53" (1/1) ... [2019-11-24 20:38:53,129 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 24.11 08:38:53, skipping insertion in model container [2019-11-24 20:38:53,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:53" (1/1) ... [2019-11-24 20:38:53,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:38:53,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:38:54,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:54,106 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:38:54,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:54,301 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:38:54,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:54 WrapperNode [2019-11-24 20:38:54,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:54,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:54,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:38:54,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:38:54,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:54" (1/1) ... [2019-11-24 20:38:54,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:54" (1/1) ... [2019-11-24 20:38:54,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:54,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:38:54,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:38:54,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:38:54,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:54" (1/1) ... [2019-11-24 20:38:54,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:54" (1/1) ... [2019-11-24 20:38:54,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:54" (1/1) ... [2019-11-24 20:38:54,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:54" (1/1) ... [2019-11-24 20:38:54,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:54" (1/1) ... [2019-11-24 20:38:54,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:54" (1/1) ... [2019-11-24 20:38:54,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:54" (1/1) ... [2019-11-24 20:38:54,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:38:54,657 INFO L168 Benchmark]: Toolchain (without parser) took 1547.07 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 978.5 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:54,660 INFO L168 Benchmark]: CDTParser took 1.06 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. [2019-11-24 20:38:54,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1195.94 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 984.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:54,663 INFO L168 Benchmark]: Boogie Procedure Inliner took 188.80 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. [2019-11-24 20:38:54,667 INFO L168 Benchmark]: Boogie Preprocessor took 140.37 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. [2019-11-24 20:38:54,678 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06 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 1195.94 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 984.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 188.80 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 140.37 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...