./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/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_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS --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 3cbff2250ada9b487f5aadc00e4efefb8dcc6fbb7ccba4227efd9fa51d2a2e6c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:26:15,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:26:15,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:26:15,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:26:15,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:26:15,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:26:15,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:26:15,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:26:15,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:26:15,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:26:15,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:26:15,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:26:15,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:26:15,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:26:15,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:26:15,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:26:15,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:26:15,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:26:15,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:26:15,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:26:15,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:26:15,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:26:15,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:26:15,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:26:15,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:26:15,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:26:15,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:26:15,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:26:15,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:26:15,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:26:15,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:26:15,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:26:15,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:26:15,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:26:15,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:26:15,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:26:15,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:26:15,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:26:15,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:26:15,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:26:15,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:26:15,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-19 08:26:15,518 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:26:15,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:26:15,522 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:26:15,522 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:26:15,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:26:15,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:26:15,523 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:26:15,523 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:26:15,524 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:26:15,524 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:26:15,525 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:26:15,525 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:26:15,525 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:26:15,526 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:26:15,526 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:26:15,526 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:26:15,526 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:26:15,526 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:26:15,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 08:26:15,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 08:26:15,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:26:15,529 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:26:15,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:26:15,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:26:15,530 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 08:26:15,530 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 08:26:15,530 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 08:26:15,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:26:15,531 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 08:26:15,531 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:26:15,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:26:15,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:26:15,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:26:15,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:26:15,532 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:26:15,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:26:15,533 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:26:15,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:26:15,533 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:26:15,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cbff2250ada9b487f5aadc00e4efefb8dcc6fbb7ccba4227efd9fa51d2a2e6c [2022-11-19 08:26:15,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:26:15,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:26:15,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:26:15,858 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:26:15,858 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:26:15,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2022-11-19 08:26:15,928 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/data/045b38c31/23ea8b240e9d436e9f2c0da3e61e3fe3/FLAG66e8ab481 [2022-11-19 08:26:16,713 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:26:16,720 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2022-11-19 08:26:16,755 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/data/045b38c31/23ea8b240e9d436e9f2c0da3e61e3fe3/FLAG66e8ab481 [2022-11-19 08:26:16,884 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/data/045b38c31/23ea8b240e9d436e9f2c0da3e61e3fe3 [2022-11-19 08:26:16,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:26:16,889 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:26:16,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:26:16,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:26:16,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:26:16,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:26:16" (1/1) ... [2022-11-19 08:26:16,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ebf1eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:26:16, skipping insertion in model container [2022-11-19 08:26:16,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:26:16" (1/1) ... [2022-11-19 08:26:16,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:26:16,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:26:18,474 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 [2022-11-19 08:26:18,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5090be46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:26:18, skipping insertion in model container [2022-11-19 08:26:18,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:26:18,476 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 08:26:18,479 INFO L158 Benchmark]: Toolchain (without parser) took 1587.95ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 78.9MB in the end (delta: -8.6MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-11-19 08:26:18,480 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:26:18,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1585.24ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 78.9MB in the end (delta: -8.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-11-19 08:26:18,484 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 117.4MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1585.24ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 78.9MB in the end (delta: -8.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/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_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS --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 3cbff2250ada9b487f5aadc00e4efefb8dcc6fbb7ccba4227efd9fa51d2a2e6c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:26:20,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:26:20,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:26:20,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:26:20,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:26:20,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:26:20,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:26:20,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:26:20,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:26:20,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:26:20,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:26:20,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:26:20,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:26:20,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:26:20,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:26:20,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:26:20,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:26:20,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:26:20,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:26:20,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:26:20,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:26:20,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:26:20,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:26:20,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:26:20,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:26:20,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:26:20,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:26:20,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:26:20,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:26:20,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:26:20,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:26:20,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:26:20,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:26:20,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:26:20,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:26:20,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:26:20,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:26:20,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:26:20,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:26:20,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:26:20,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:26:20,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-19 08:26:20,755 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:26:20,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:26:20,756 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:26:20,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:26:20,757 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:26:20,757 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:26:20,758 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:26:20,758 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:26:20,758 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:26:20,758 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:26:20,759 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:26:20,760 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:26:20,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 08:26:20,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 08:26:20,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:26:20,762 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:26:20,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:26:20,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:26:20,763 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 08:26:20,763 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 08:26:20,763 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 08:26:20,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:26:20,764 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 08:26:20,764 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 08:26:20,764 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 08:26:20,764 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:26:20,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:26:20,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 08:26:20,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:26:20,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:26:20,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:26:20,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:26:20,767 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 08:26:20,767 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 08:26:20,767 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:26:20,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 08:26:20,768 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_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cbff2250ada9b487f5aadc00e4efefb8dcc6fbb7ccba4227efd9fa51d2a2e6c [2022-11-19 08:26:21,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:26:21,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:26:21,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:26:21,195 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:26:21,196 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:26:21,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2022-11-19 08:26:21,266 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/data/f7d9691bc/623c07b355384f0a95b52a1e1de165df/FLAGc3fe36584 [2022-11-19 08:26:21,957 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:26:21,958 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2022-11-19 08:26:21,981 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/data/f7d9691bc/623c07b355384f0a95b52a1e1de165df/FLAGc3fe36584 [2022-11-19 08:26:22,104 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95319e80-e71e-4550-abf5-eec0a628a131/bin/utaipan-I9t0OCRTmS/data/f7d9691bc/623c07b355384f0a95b52a1e1de165df [2022-11-19 08:26:22,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:26:22,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:26:22,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:26:22,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:26:22,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:26:22,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:26:22" (1/1) ... [2022-11-19 08:26:22,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c006382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:26:22, skipping insertion in model container [2022-11-19 08:26:22,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:26:22" (1/1) ... [2022-11-19 08:26:22,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:26:22,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:26:23,366 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 [2022-11-19 08:26:23,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4bf5ea01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:26:23, skipping insertion in model container [2022-11-19 08:26:23,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:26:23,369 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 08:26:23,371 INFO L158 Benchmark]: Toolchain (without parser) took 1262.37ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 30.5MB in the beginning and 43.7MB in the end (delta: -13.2MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-11-19 08:26:23,373 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 38.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:26:23,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1252.25ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 30.3MB in the beginning and 43.7MB in the end (delta: -13.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-11-19 08:26:23,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 38.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1252.25ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 30.3MB in the beginning and 43.7MB in the end (delta: -13.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN