./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8 --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 efbd644a4f2fdb07aa594786bff63c8c6bd3ce82d2b68f53d875efbd89bba6a1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:23:45,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:23:45,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:23:45,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:23:45,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:23:45,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:23:45,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:23:45,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:23:45,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:23:45,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:23:45,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:23:45,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:23:45,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:23:45,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:23:45,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:23:45,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:23:45,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:23:45,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:23:45,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:23:45,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:23:45,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:23:45,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:23:45,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:23:45,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:23:45,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:23:45,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:23:45,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:23:45,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:23:45,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:23:45,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:23:45,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:23:45,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:23:45,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:23:45,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:23:45,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:23:45,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:23:45,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:23:45,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:23:45,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:23:45,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:23:45,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:23:45,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-07 01:23:45,519 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:23:45,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:23:45,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:23:45,527 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:23:45,528 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:23:45,528 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:23:45,528 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:23:45,528 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:23:45,529 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:23:45,529 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:23:45,530 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:23:45,530 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:23:45,530 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:23:45,531 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:23:45,531 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:23:45,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:23:45,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:23:45,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:23:45,532 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:23:45,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:23:45,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:23:45,533 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:23:45,533 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:23:45,533 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:23:45,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:23:45,534 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:23:45,535 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:23:45,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:23:45,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:23:45,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:23:45,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:23:45,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:23:45,537 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:23:45,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:23:45,537 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:23:45,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:23:45,537 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_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efbd644a4f2fdb07aa594786bff63c8c6bd3ce82d2b68f53d875efbd89bba6a1 [2021-11-07 01:23:45,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:23:45,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:23:45,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:23:45,815 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:23:45,815 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:23:45,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2021-11-07 01:23:45,881 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/data/e1723bdd0/3ce525a8941d419db2db31fc67255849/FLAGea1845a31 [2021-11-07 01:23:46,706 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:23:46,707 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2021-11-07 01:23:46,748 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/data/e1723bdd0/3ce525a8941d419db2db31fc67255849/FLAGea1845a31 [2021-11-07 01:23:46,796 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/data/e1723bdd0/3ce525a8941d419db2db31fc67255849 [2021-11-07 01:23:46,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:23:46,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:23:46,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:46,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:23:46,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:23:46,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:46" (1/1) ... [2021-11-07 01:23:46,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5beef7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:46, skipping insertion in model container [2021-11-07 01:23:46,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:46" (1/1) ... [2021-11-07 01:23:46,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:23:46,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:23:47,997 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2021-11-07 01:23:47,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59fb100d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:47, skipping insertion in model container [2021-11-07 01:23:47,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:47,999 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:23:48,001 INFO L168 Benchmark]: Toolchain (without parser) took 1198.34 ms. Allocated memory is still 111.1 MB. Free memory was 84.5 MB in the beginning and 67.0 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:48,002 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 111.1 MB. Free memory is still 82.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:23:48,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1194.29 ms. Allocated memory is still 111.1 MB. Free memory was 84.3 MB in the beginning and 67.0 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:48,004 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 111.1 MB. Free memory is still 82.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1194.29 ms. Allocated memory is still 111.1 MB. Free memory was 84.3 MB in the beginning and 67.0 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2536]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8 --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 efbd644a4f2fdb07aa594786bff63c8c6bd3ce82d2b68f53d875efbd89bba6a1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:23:50,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:23:50,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:23:50,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:23:50,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:23:50,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:23:50,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:23:50,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:23:50,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:23:50,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:23:50,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:23:50,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:23:50,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:23:50,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:23:50,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:23:50,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:23:50,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:23:50,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:23:50,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:23:50,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:23:50,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:23:50,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:23:50,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:23:50,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:23:50,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:23:50,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:23:50,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:23:50,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:23:50,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:23:50,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:23:50,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:23:50,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:23:50,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:23:50,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:23:50,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:23:50,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:23:50,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:23:50,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:23:50,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:23:50,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:23:50,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:23:50,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-07 01:23:50,397 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:23:50,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:23:50,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:23:50,399 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:23:50,399 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:23:50,399 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:23:50,400 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:23:50,400 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:23:50,400 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:23:50,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:23:50,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:23:50,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:23:50,403 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:23:50,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:23:50,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:23:50,404 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:23:50,404 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:23:50,404 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:23:50,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:23:50,404 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:23:50,404 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:23:50,405 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:23:50,405 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:23:50,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:23:50,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:23:50,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:23:50,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:23:50,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:23:50,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:23:50,406 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:23:50,406 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:23:50,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:23:50,407 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:23:50,407 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_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efbd644a4f2fdb07aa594786bff63c8c6bd3ce82d2b68f53d875efbd89bba6a1 [2021-11-07 01:23:50,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:23:50,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:23:50,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:23:50,789 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:23:50,790 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:23:50,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2021-11-07 01:23:50,868 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/data/7e61a11a8/c45c47aa5402401692879600d37c25d3/FLAGe05038177 [2021-11-07 01:23:51,632 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:23:51,632 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2021-11-07 01:23:51,667 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/data/7e61a11a8/c45c47aa5402401692879600d37c25d3/FLAGe05038177 [2021-11-07 01:23:51,725 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26b45905-b0ed-46c0-a811-16c5ba06feb0/bin/utaipan-UUZaoUuFF8/data/7e61a11a8/c45c47aa5402401692879600d37c25d3 [2021-11-07 01:23:51,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:23:51,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:23:51,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:51,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:23:51,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:23:51,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:51" (1/1) ... [2021-11-07 01:23:51,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@321b2965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:51, skipping insertion in model container [2021-11-07 01:23:51,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:51" (1/1) ... [2021-11-07 01:23:51,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:23:51,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:23:52,956 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2021-11-07 01:23:52,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18f7bd31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:52, skipping insertion in model container [2021-11-07 01:23:52,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:52,958 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:23:52,960 INFO L168 Benchmark]: Toolchain (without parser) took 1230.09 ms. Allocated memory was 69.2 MB in the beginning and 96.5 MB in the end (delta: 27.3 MB). Free memory was 42.9 MB in the beginning and 73.1 MB in the end (delta: -30.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:52,960 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 69.2 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:23:52,961 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1227.86 ms. Allocated memory was 69.2 MB in the beginning and 96.5 MB in the end (delta: 27.3 MB). Free memory was 42.6 MB in the beginning and 73.1 MB in the end (delta: -30.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:52,963 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 69.2 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1227.86 ms. Allocated memory was 69.2 MB in the beginning and 96.5 MB in the end (delta: 27.3 MB). Free memory was 42.6 MB in the beginning and 73.1 MB in the end (delta: -30.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2536]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN