./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/yes-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/yes-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl --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 31650cf4e2ad56baf4812d7ba9b9de3ab29abe06d7d8a03f86fe8d53bb6fde29 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:04:59,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:04:59,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:04:59,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:04:59,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:04:59,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:04:59,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:04:59,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:04:59,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:04:59,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:04:59,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:04:59,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:04:59,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:04:59,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:04:59,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:04:59,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:04:59,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:04:59,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:04:59,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:04:59,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:04:59,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:04:59,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:04:59,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:04:59,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:04:59,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:04:59,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:04:59,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:04:59,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:04:59,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:04:59,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:04:59,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:04:59,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:04:59,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:04:59,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:04:59,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:04:59,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:04:59,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:04:59,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:04:59,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:04:59,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:04:59,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:04:59,512 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-23 17:04:59,548 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:04:59,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:04:59,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:04:59,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:04:59,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:04:59,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:04:59,552 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:04:59,552 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:04:59,552 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:04:59,552 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:04:59,553 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:04:59,553 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:04:59,553 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:04:59,553 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:04:59,554 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:04:59,554 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:04:59,554 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:04:59,554 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:04:59,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 17:04:59,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 17:04:59,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:04:59,556 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 17:04:59,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:04:59,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:04:59,557 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 17:04:59,557 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 17:04:59,557 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 17:04:59,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:04:59,558 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:04:59,558 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:04:59,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:04:59,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:04:59,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:04:59,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:04:59,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:04:59,559 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:04:59,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:04:59,560 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:04:59,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:04:59,560 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_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31650cf4e2ad56baf4812d7ba9b9de3ab29abe06d7d8a03f86fe8d53bb6fde29 [2021-11-23 17:04:59,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:04:59,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:04:59,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:04:59,953 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:04:59,955 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:04:59,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/busybox-1.22.0/yes-2.i [2021-11-23 17:05:00,034 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/data/22ad00d7d/73d78e4f1ef8450d91543ceba9310d1b/FLAG909be906f [2021-11-23 17:05:00,874 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:05:00,875 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/sv-benchmarks/c/busybox-1.22.0/yes-2.i [2021-11-23 17:05:00,928 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/data/22ad00d7d/73d78e4f1ef8450d91543ceba9310d1b/FLAG909be906f [2021-11-23 17:05:01,433 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/data/22ad00d7d/73d78e4f1ef8450d91543ceba9310d1b [2021-11-23 17:05:01,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:05:01,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:05:01,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:05:01,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:05:01,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:05:01,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:05:01" (1/1) ... [2021-11-23 17:05:01,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75cc096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:01, skipping insertion in model container [2021-11-23 17:05:01,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:05:01" (1/1) ... [2021-11-23 17:05:01,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:05:01,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:05:02,911 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-11-23 17:05:02,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9a92b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:02, skipping insertion in model container [2021-11-23 17:05:02,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:05:02,914 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 17:05:02,917 INFO L158 Benchmark]: Toolchain (without parser) took 1476.91ms. Allocated memory is still 109.1MB. Free memory was 65.1MB in the beginning and 72.5MB in the end (delta: -7.3MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-11-23 17:05:02,918 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:05:02,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1463.78ms. Allocated memory is still 109.1MB. Free memory was 64.9MB in the beginning and 72.5MB in the end (delta: -7.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-11-23 17:05:02,924 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1463.78ms. Allocated memory is still 109.1MB. Free memory was 64.9MB in the beginning and 72.5MB in the end (delta: -7.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- 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_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/yes-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl --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 31650cf4e2ad56baf4812d7ba9b9de3ab29abe06d7d8a03f86fe8d53bb6fde29 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:05:05,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:05:05,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:05:05,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:05:05,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:05:05,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:05:05,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:05:05,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:05:05,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:05:05,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:05:05,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:05:05,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:05:05,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:05:05,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:05:05,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:05:05,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:05:05,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:05:05,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:05:05,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:05:05,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:05:05,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:05:05,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:05:05,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:05:05,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:05:05,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:05:05,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:05:05,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:05:05,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:05:05,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:05:05,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:05:05,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:05:05,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:05:05,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:05:05,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:05:05,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:05:05,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:05:05,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:05:05,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:05:05,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:05:05,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:05:05,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:05:05,652 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-23 17:05:05,713 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:05:05,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:05:05,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:05:05,715 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:05:05,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:05:05,716 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:05:05,717 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:05:05,717 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:05:05,717 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:05:05,717 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:05:05,719 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:05:05,719 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:05:05,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 17:05:05,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 17:05:05,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:05:05,722 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 17:05:05,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:05:05,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:05:05,723 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 17:05:05,723 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 17:05:05,723 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 17:05:05,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:05:05,724 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:05:05,724 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:05:05,724 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:05:05,725 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:05:05,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:05:05,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:05:05,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:05:05,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:05:05,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:05:05,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:05:05,727 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:05:05,727 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:05:05,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:05:05,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:05:05,728 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_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31650cf4e2ad56baf4812d7ba9b9de3ab29abe06d7d8a03f86fe8d53bb6fde29 [2021-11-23 17:05:06,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:05:06,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:05:06,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:05:06,174 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:05:06,175 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:05:06,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/busybox-1.22.0/yes-2.i [2021-11-23 17:05:06,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/data/e0b737c95/07e6aaa860034cf3861b7e8af0fbd4ba/FLAGbaa03bc15 [2021-11-23 17:05:07,129 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:05:07,130 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/sv-benchmarks/c/busybox-1.22.0/yes-2.i [2021-11-23 17:05:07,164 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/data/e0b737c95/07e6aaa860034cf3861b7e8af0fbd4ba/FLAGbaa03bc15 [2021-11-23 17:05:07,234 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943d0da5-b3a8-4fd9-bcc4-b31f99c1c648/bin/utaipan-fb15Y9Yzbl/data/e0b737c95/07e6aaa860034cf3861b7e8af0fbd4ba [2021-11-23 17:05:07,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:05:07,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:05:07,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:05:07,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:05:07,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:05:07,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:05:07" (1/1) ... [2021-11-23 17:05:07,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@648b2e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:07, skipping insertion in model container [2021-11-23 17:05:07,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:05:07" (1/1) ... [2021-11-23 17:05:07,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:05:07,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:05:08,756 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-11-23 17:05:08,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@686ff4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:05:08, skipping insertion in model container [2021-11-23 17:05:08,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:05:08,760 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 17:05:08,763 INFO L158 Benchmark]: Toolchain (without parser) took 1523.54ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 29.6MB in the beginning and 40.5MB in the end (delta: -10.9MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-23 17:05:08,765 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 56.6MB. Free memory was 37.0MB in the beginning and 36.9MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:05:08,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1519.92ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 29.4MB in the beginning and 40.7MB in the end (delta: -11.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-23 17:05:08,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 56.6MB. Free memory was 37.0MB in the beginning and 36.9MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1519.92ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 29.4MB in the beginning and 40.7MB in the end (delta: -11.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN