./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8 --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 e74f98059c168bbea3fa809da06c6e55d25d54fc ......................................................................................................................................... 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_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8 --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 e74f98059c168bbea3fa809da06c6e55d25d54fc ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:13:34,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:13:34,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:13:34,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:13:34,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:13:34,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:13:34,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:13:34,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:13:34,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:13:34,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:13:34,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:13:34,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:13:34,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:13:34,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:13:34,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:13:34,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:13:34,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:13:34,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:13:34,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:13:34,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:13:34,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:13:34,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:13:34,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:13:34,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:13:34,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:13:34,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:13:34,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:13:34,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:13:34,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:13:34,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:13:34,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:13:34,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:13:34,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:13:34,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:13:34,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:13:34,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:13:34,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:13:34,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:13:34,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:13:34,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:13:34,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:13:34,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-13 07:13:34,487 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:13:34,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:13:34,489 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:13:34,489 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:13:34,489 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:13:34,490 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:13:34,490 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:13:34,490 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:13:34,491 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:13:34,491 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:13:34,491 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:13:34,491 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:13:34,492 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:13:34,492 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:13:34,492 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:13:34,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:13:34,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:13:34,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:13:34,494 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:13:34,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:13:34,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:13:34,495 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:13:34,495 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:13:34,496 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:13:34,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:13:34,496 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:13:34,496 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:13:34,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:13:34,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:13:34,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:13:34,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:13:34,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:13:34,498 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:13:34,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:13:34,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:13:34,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:13:34,499 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_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e74f98059c168bbea3fa809da06c6e55d25d54fc [2021-10-13 07:13:34,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:13:34,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:13:34,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:13:34,852 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:13:34,853 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:13:34,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2021-10-13 07:13:34,932 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/data/2e3b4c425/c7d16aa3f29d4849a252e960d8c4662e/FLAG0e4b7cb3e [2021-10-13 07:13:35,716 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:13:35,716 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2021-10-13 07:13:35,759 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/data/2e3b4c425/c7d16aa3f29d4849a252e960d8c4662e/FLAG0e4b7cb3e [2021-10-13 07:13:35,808 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/data/2e3b4c425/c7d16aa3f29d4849a252e960d8c4662e [2021-10-13 07:13:35,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:13:35,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:13:35,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:13:35,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:13:35,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:13:35,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:13:35" (1/1) ... [2021-10-13 07:13:35,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e346090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:35, skipping insertion in model container [2021-10-13 07:13:35,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:13:35" (1/1) ... [2021-10-13 07:13:35,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:13:35,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:13:37,109 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 [2021-10-13 07:13:37,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@677de12e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:37, skipping insertion in model container [2021-10-13 07:13:37,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:13:37,110 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:13:37,112 INFO L168 Benchmark]: Toolchain (without parser) took 1296.90 ms. Allocated memory is still 104.9 MB. Free memory was 64.7 MB in the beginning and 66.7 MB in the end (delta: -2.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:13:37,113 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 104.9 MB. Free memory was 78.7 MB in the beginning and 78.6 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:13:37,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1293.75 ms. Allocated memory is still 104.9 MB. Free memory was 64.7 MB in the beginning and 66.7 MB in the end (delta: -2.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:13:37,116 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 104.9 MB. Free memory was 78.7 MB in the beginning and 78.6 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1293.75 ms. Allocated memory is still 104.9 MB. Free memory was 64.7 MB in the beginning and 66.7 MB in the end (delta: -2.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2479]: 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:13:39,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:13:39,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:13:39,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:13:39,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:13:39,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:13:39,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:13:39,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:13:39,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:13:39,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:13:39,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:13:39,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:13:39,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:13:39,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:13:39,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:13:39,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:13:39,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:13:39,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:13:39,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:13:39,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:13:39,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:13:39,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:13:39,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:13:39,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:13:39,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:13:39,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:13:39,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:13:39,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:13:39,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:13:39,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:13:39,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:13:39,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:13:39,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:13:39,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:13:39,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:13:39,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:13:39,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:13:39,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:13:39,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:13:39,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:13:39,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:13:39,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-13 07:13:39,628 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:13:39,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:13:39,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:13:39,633 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:13:39,633 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:13:39,633 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:13:39,633 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:13:39,634 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:13:39,634 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:13:39,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:13:39,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:13:39,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:13:39,637 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:13:39,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:13:39,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:13:39,638 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:13:39,638 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:13:39,638 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:13:39,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:13:39,639 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:13:39,639 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:13:39,639 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:13:39,640 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:13:39,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:13:39,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:13:39,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:13:39,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:13:39,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:13:39,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:13:39,641 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:13:39,642 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:13:39,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:13:39,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:13:39,642 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_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e74f98059c168bbea3fa809da06c6e55d25d54fc [2021-10-13 07:13:40,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:13:40,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:13:40,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:13:40,045 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:13:40,047 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:13:40,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2021-10-13 07:13:40,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/data/fe660d667/c3c51df5aa8546a9a2d35399463733b7/FLAG572c8aa4b [2021-10-13 07:13:40,883 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:13:40,883 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2021-10-13 07:13:40,915 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/data/fe660d667/c3c51df5aa8546a9a2d35399463733b7/FLAG572c8aa4b [2021-10-13 07:13:40,995 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff4f8d6-f328-472a-9356-3acda8118c28/bin/utaipan-q2qaUkNPG8/data/fe660d667/c3c51df5aa8546a9a2d35399463733b7 [2021-10-13 07:13:41,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:13:41,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:13:41,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:13:41,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:13:41,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:13:41,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:13:40" (1/1) ... [2021-10-13 07:13:41,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ccee86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:41, skipping insertion in model container [2021-10-13 07:13:41,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:13:40" (1/1) ... [2021-10-13 07:13:41,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:13:41,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:13:42,245 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 [2021-10-13 07:13:42,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57f081eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:42, skipping insertion in model container [2021-10-13 07:13:42,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:13:42,247 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:13:42,249 INFO L168 Benchmark]: Toolchain (without parser) took 1243.91 ms. Allocated memory is still 69.2 MB. Free memory was 46.6 MB in the beginning and 39.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:13:42,250 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 69.2 MB. Free memory was 51.0 MB in the beginning and 51.0 MB in the end (delta: 54.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:13:42,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1240.47 ms. Allocated memory is still 69.2 MB. Free memory was 46.3 MB in the beginning and 39.9 MB in the end (delta: 6.5 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:13:42,252 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 69.2 MB. Free memory was 51.0 MB in the beginning and 51.0 MB in the end (delta: 54.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1240.47 ms. Allocated memory is still 69.2 MB. Free memory was 46.3 MB in the beginning and 39.9 MB in the end (delta: 6.5 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2479]: 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...