./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 60e87bbb338de49f951bcda640064e8dc1c76515 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 60e87bbb338de49f951bcda640064e8dc1c76515 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:24:57,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:57,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:57,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:57,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:57,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:57,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:57,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:57,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:57,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:57,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:57,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:57,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:57,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:57,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:57,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:57,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:57,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:57,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:57,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:57,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:57,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:57,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:57,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:57,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:57,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:57,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:57,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:57,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:57,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:57,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:57,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:57,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:57,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:57,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:57,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:57,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:57,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:57,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:57,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:57,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:57,442 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-27 11:24:57,468 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:57,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:57,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:57,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:57,474 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:57,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:57,475 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:57,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:57,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:57,476 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:57,477 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:57,478 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:24:57,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:57,478 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:57,479 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:57,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:57,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:57,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:57,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:57,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:57,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:57,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:57,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:24:57,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:24:57,484 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60e87bbb338de49f951bcda640064e8dc1c76515 [2019-11-27 11:24:57,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:57,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:57,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:57,979 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:57,979 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:57,980 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-11-27 11:24:58,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea4335840/6cc630bf240b4824b72cfe146a8fa113/FLAG4764664ed [2019-11-27 11:24:59,149 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:59,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-11-27 11:24:59,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea4335840/6cc630bf240b4824b72cfe146a8fa113/FLAG4764664ed [2019-11-27 11:24:59,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea4335840/6cc630bf240b4824b72cfe146a8fa113 [2019-11-27 11:24:59,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:59,607 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:59,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:59,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:59,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:59,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:59" (1/1) ... [2019-11-27 11:24:59,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64fc2faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:59, skipping insertion in model container [2019-11-27 11:24:59,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:59" (1/1) ... [2019-11-27 11:24:59,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:59,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:25:01,529 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2019-11-27 11:25:01,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10495005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:25:01, skipping insertion in model container [2019-11-27 11:25:01,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:25:01,531 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-27 11:25:01,538 INFO L168 Benchmark]: Toolchain (without parser) took 1927.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 972.5 MB in the end (delta: -16.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 12.5 GB. [2019-11-27 11:25:01,541 INFO L168 Benchmark]: CDTParser took 0.21 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 11:25:01,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1917.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 972.5 MB in the end (delta: -16.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 12.5 GB. [2019-11-27 11:25:01,547 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 1917.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 972.5 MB in the end (delta: -16.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2345]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:25:04,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:25:04,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:25:04,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:25:04,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:25:04,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:25:04,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:25:04,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:25:04,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:25:04,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:25:04,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:25:04,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:25:04,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:25:04,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:25:04,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:25:04,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:25:04,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:25:04,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:25:04,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:25:04,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:25:04,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:25:04,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:25:04,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:25:04,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:25:04,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:25:04,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:25:04,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:25:04,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:25:04,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:25:04,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:25:04,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:25:04,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:25:04,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:25:04,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:25:04,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:25:04,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:25:04,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:25:04,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:25:04,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:25:04,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:25:04,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:25:04,399 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-27 11:25:04,427 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:25:04,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:25:04,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:25:04,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:25:04,434 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:25:04,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:25:04,434 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:25:04,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:25:04,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:25:04,435 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:25:04,436 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:25:04,439 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:25:04,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:25:04,439 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:25:04,440 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:25:04,440 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:25:04,440 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:25:04,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:25:04,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:25:04,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:25:04,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:25:04,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:25:04,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:25:04,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:25:04,444 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:25:04,444 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:25:04,444 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:25:04,445 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60e87bbb338de49f951bcda640064e8dc1c76515 [2019-11-27 11:25:04,924 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:25:04,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:25:04,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:25:04,946 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:25:04,948 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:25:04,949 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-11-27 11:25:05,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/063be390d/1d1624c40c1e43a280428f1e2f34f7a8/FLAGbd17870f4 [2019-11-27 11:25:06,089 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:25:06,091 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-11-27 11:25:06,143 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/063be390d/1d1624c40c1e43a280428f1e2f34f7a8/FLAGbd17870f4 [2019-11-27 11:25:06,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/063be390d/1d1624c40c1e43a280428f1e2f34f7a8 [2019-11-27 11:25:06,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:25:06,569 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:25:06,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:25:06,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:25:06,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:25:06,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:25:06" (1/1) ... [2019-11-27 11:25:06,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@655be99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:25:06, skipping insertion in model container [2019-11-27 11:25:06,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:25:06" (1/1) ... [2019-11-27 11:25:06,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:25:06,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:25:08,529 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2019-11-27 11:25:08,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ea3e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:25:08, skipping insertion in model container [2019-11-27 11:25:08,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:25:08,532 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-27 11:25:08,538 INFO L168 Benchmark]: Toolchain (without parser) took 1966.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 978.3 MB in the end (delta: -22.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 12.5 GB. [2019-11-27 11:25:08,539 INFO L168 Benchmark]: CDTParser took 1.42 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 11:25:08,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1955.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 978.3 MB in the end (delta: -22.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 12.5 GB. [2019-11-27 11:25:08,549 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42 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 1955.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 978.3 MB in the end (delta: -22.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2345]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...