./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:04:00,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:04:00,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:04:00,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:04:00,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:04:00,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:04:00,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:04:00,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:04:00,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:04:00,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:04:00,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:04:00,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:04:00,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:04:00,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:04:00,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:04:00,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:04:00,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:04:00,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:04:00,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:04:00,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:04:00,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:04:00,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:04:00,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:04:00,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:04:00,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:04:00,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:04:00,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:04:00,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:04:00,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:04:00,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:04:00,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:04:00,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:04:00,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:04:00,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:04:00,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:04:00,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:04:00,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:04:00,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:04:00,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:04:00,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:04:00,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:04:00,550 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-29 05:04:00,602 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:04:00,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:04:00,606 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:04:00,614 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:04:00,615 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:04:00,615 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:04:00,615 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:04:00,616 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:04:00,616 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:04:00,616 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:04:00,618 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:04:00,618 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:04:00,618 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:04:00,619 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:04:00,619 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:04:00,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:04:00,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:04:00,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:04:00,621 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:04:00,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:04:00,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:04:00,622 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:04:00,622 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:04:00,622 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 05:04:00,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:04:00,623 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:04:00,625 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:04:00,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:04:00,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:04:00,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:04:00,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:04:00,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:04:00,627 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:04:00,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:04:00,628 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:04:00,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:04:00,629 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe [2021-10-29 05:04:00,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:04:00,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:04:00,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:04:00,994 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:04:00,995 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:04:00,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-29 05:04:01,079 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/data/3842bcab5/241b911ee2f44194832ddf5d66fdbc27/FLAG98bbb95a8 [2021-10-29 05:04:02,108 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:04:02,110 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-29 05:04:02,163 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/data/3842bcab5/241b911ee2f44194832ddf5d66fdbc27/FLAG98bbb95a8 [2021-10-29 05:04:02,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/data/3842bcab5/241b911ee2f44194832ddf5d66fdbc27 [2021-10-29 05:04:02,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:04:02,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:04:02,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:04:02,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:04:02,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:04:02,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:04:02" (1/1) ... [2021-10-29 05:04:02,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0aadd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:04:02, skipping insertion in model container [2021-10-29 05:04:02,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:04:02" (1/1) ... [2021-10-29 05:04:02,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:04:02,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:04:05,586 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2021-10-29 05:04:05,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1980555c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:04:05, skipping insertion in model container [2021-10-29 05:04:05,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:04:05,588 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:04:05,591 INFO L168 Benchmark]: Toolchain (without parser) took 3138.49 ms. Allocated memory is still 109.1 MB. Free memory was 62.4 MB in the beginning and 51.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:04:05,592 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 109.1 MB. Free memory is still 87.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:04:05,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3135.02 ms. Allocated memory is still 109.1 MB. Free memory was 62.2 MB in the beginning and 51.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:04:05,596 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 109.1 MB. Free memory is still 87.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3135.02 ms. Allocated memory is still 109.1 MB. Free memory was 62.2 MB in the beginning and 51.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2875]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: wrapf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:04:08,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:04:08,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:04:08,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:04:08,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:04:08,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:04:08,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:04:08,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:04:08,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:04:08,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:04:08,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:04:08,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:04:08,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:04:08,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:04:08,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:04:08,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:04:08,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:04:08,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:04:08,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:04:08,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:04:08,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:04:08,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:04:08,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:04:08,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:04:08,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:04:08,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:04:08,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:04:08,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:04:08,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:04:08,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:04:08,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:04:08,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:04:08,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:04:08,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:04:08,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:04:08,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:04:08,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:04:08,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:04:08,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:04:08,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:04:08,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:04:08,575 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-29 05:04:08,606 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:04:08,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:04:08,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:04:08,608 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:04:08,608 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:04:08,608 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:04:08,609 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:04:08,609 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:04:08,609 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:04:08,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:04:08,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:04:08,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:04:08,611 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:04:08,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:04:08,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:04:08,612 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:04:08,612 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:04:08,612 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 05:04:08,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:04:08,613 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:04:08,613 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:04:08,613 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:04:08,614 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:04:08,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:04:08,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:04:08,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:04:08,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:04:08,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:04:08,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:04:08,616 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:04:08,616 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:04:08,616 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:04:08,617 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:04:08,617 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe [2021-10-29 05:04:09,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:04:09,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:04:09,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:04:09,155 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:04:09,158 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:04:09,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-29 05:04:09,245 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/data/5c14028c2/a045b9204cb14b6489019eacd0427715/FLAG63e88377b [2021-10-29 05:04:10,247 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:04:10,248 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-29 05:04:10,303 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/data/5c14028c2/a045b9204cb14b6489019eacd0427715/FLAG63e88377b [2021-10-29 05:04:10,685 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ea0968-3214-4dfe-b984-48975e34e748/bin/utaipan-SDwSMHVbGG/data/5c14028c2/a045b9204cb14b6489019eacd0427715 [2021-10-29 05:04:10,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:04:10,689 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:04:10,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:04:10,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:04:10,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:04:10,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:04:10" (1/1) ... [2021-10-29 05:04:10,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211b3c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:04:10, skipping insertion in model container [2021-10-29 05:04:10,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:04:10" (1/1) ... [2021-10-29 05:04:10,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:04:10,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:04:13,812 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2021-10-29 05:04:13,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47286751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:04:13, skipping insertion in model container [2021-10-29 05:04:13,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:04:13,814 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:04:13,817 INFO L168 Benchmark]: Toolchain (without parser) took 3126.17 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 36.5 MB in the beginning and 42.3 MB in the end (delta: -5.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:04:13,818 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 65.0 MB. Free memory is still 45.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:04:13,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3123.17 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 36.2 MB in the beginning and 42.3 MB in the end (delta: -6.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:04:13,821 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 65.0 MB. Free memory is still 45.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3123.17 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 36.2 MB in the beginning and 42.3 MB in the end (delta: -6.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2875]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: wrapf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...