./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/who-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_ca2be926-22f9-4531-9dc3-45d122b77387/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/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_ca2be926-22f9-4531-9dc3-45d122b77387/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/who-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/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_ca2be926-22f9-4531-9dc3-45d122b77387/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 2e79e6a5f98cba091bdf5878be39b9841adfd39e ......................................................................................................................................... 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_ca2be926-22f9-4531-9dc3-45d122b77387/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/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_ca2be926-22f9-4531-9dc3-45d122b77387/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/who-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/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_ca2be926-22f9-4531-9dc3-45d122b77387/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 2e79e6a5f98cba091bdf5878be39b9841adfd39e ...................................................................................................................................... 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 07:43:16,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:43:16,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:43:16,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:43:16,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:43:16,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:43:16,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:43:16,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:43:16,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:43:16,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:43:16,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:43:16,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:43:16,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:43:16,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:43:16,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:43:16,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:43:16,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:43:16,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:43:16,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:43:16,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:43:16,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:43:16,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:43:16,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:43:16,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:43:16,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:43:16,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:43:16,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:43:16,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:43:16,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:43:16,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:43:16,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:43:16,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:43:16,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:43:16,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:43:16,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:43:16,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:43:16,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:43:16,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:43:16,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:43:16,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:43:16,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:43:16,498 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-13 07:43:16,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:43:16,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:43:16,550 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:43:16,550 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:43:16,551 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:43:16,551 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:43:16,551 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:43:16,551 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:43:16,551 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:43:16,552 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:43:16,552 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:43:16,552 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:43:16,552 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:43:16,552 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:43:16,553 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:43:16,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:43:16,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:43:16,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:43:16,554 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:43:16,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:43:16,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:43:16,554 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:43:16,555 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:43:16,555 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:43:16,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:43:16,555 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:43:16,555 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:43:16,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:43:16,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:43:16,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:43:16,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:43:16,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:43:16,557 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:43:16,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:43:16,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:43:16,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:43:16,557 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_ca2be926-22f9-4531-9dc3-45d122b77387/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e79e6a5f98cba091bdf5878be39b9841adfd39e [2021-10-13 07:43:16,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:43:16,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:43:16,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:43:16,845 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:43:16,846 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:43:16,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/who-2.i [2021-10-13 07:43:16,917 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/bin/utaipan-q2qaUkNPG8/data/c6c7b3ae2/ae1532a337c9496881971659501def28/FLAGea7cd87bb [2021-10-13 07:43:17,737 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:43:17,738 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/sv-benchmarks/c/busybox-1.22.0/who-2.i [2021-10-13 07:43:17,782 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/bin/utaipan-q2qaUkNPG8/data/c6c7b3ae2/ae1532a337c9496881971659501def28/FLAGea7cd87bb [2021-10-13 07:43:17,825 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/bin/utaipan-q2qaUkNPG8/data/c6c7b3ae2/ae1532a337c9496881971659501def28 [2021-10-13 07:43:17,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:43:17,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:43:17,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:43:17,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:43:17,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:43:17,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:43:17" (1/1) ... [2021-10-13 07:43:17,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13bd8c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:17, skipping insertion in model container [2021-10-13 07:43:17,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:43:17" (1/1) ... [2021-10-13 07:43:17,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:43:17,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:43:19,264 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 07:43:19,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5bccef67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:19, skipping insertion in model container [2021-10-13 07:43:19,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:43:19,270 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:43:19,273 INFO L168 Benchmark]: Toolchain (without parser) took 1440.58 ms. Allocated memory was 96.5 MB in the beginning and 134.2 MB in the end (delta: 37.7 MB). Free memory was 61.9 MB in the beginning and 91.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:43:19,275 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 96.5 MB. Free memory was 51.0 MB in the beginning and 50.9 MB in the end (delta: 54.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:43:19,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1437.29 ms. Allocated memory was 96.5 MB in the beginning and 134.2 MB in the end (delta: 37.7 MB). Free memory was 61.9 MB in the beginning and 91.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:43:19,280 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 96.5 MB. Free memory was 51.0 MB in the beginning and 50.9 MB in the end (delta: 54.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1437.29 ms. Allocated memory was 96.5 MB in the beginning and 134.2 MB in the end (delta: 37.7 MB). Free memory was 61.9 MB in the beginning and 91.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2775]: 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 07:43:21,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:43:21,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:43:21,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:43:21,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:43:21,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:43:21,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:43:21,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:43:21,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:43:21,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:43:21,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:43:21,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:43:21,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:43:21,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:43:21,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:43:21,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:43:21,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:43:21,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:43:21,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:43:21,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:43:21,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:43:21,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:43:21,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:43:21,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:43:21,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:43:21,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:43:21,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:43:21,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:43:21,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:43:21,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:43:21,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:43:21,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:43:21,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:43:21,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:43:21,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:43:21,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:43:21,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:43:21,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:43:21,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:43:21,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:43:21,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:43:21,614 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-13 07:43:21,656 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:43:21,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:43:21,657 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:43:21,658 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:43:21,658 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:43:21,658 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:43:21,658 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:43:21,659 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:43:21,659 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:43:21,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:43:21,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:43:21,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:43:21,662 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:43:21,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:43:21,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:43:21,662 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:43:21,663 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:43:21,663 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:43:21,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:43:21,663 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:43:21,664 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:43:21,664 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:43:21,664 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:43:21,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:43:21,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:43:21,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:43:21,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:43:21,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:43:21,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:43:21,666 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:43:21,666 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:43:21,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:43:21,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:43:21,667 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_ca2be926-22f9-4531-9dc3-45d122b77387/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e79e6a5f98cba091bdf5878be39b9841adfd39e [2021-10-13 07:43:22,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:43:22,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:43:22,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:43:22,078 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:43:22,080 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:43:22,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/who-2.i [2021-10-13 07:43:22,142 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/bin/utaipan-q2qaUkNPG8/data/c02b30aca/81490bcf38f9408f9d26a5ba2f3d21d4/FLAG50418be3b [2021-10-13 07:43:22,882 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:43:22,883 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/sv-benchmarks/c/busybox-1.22.0/who-2.i [2021-10-13 07:43:22,927 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/bin/utaipan-q2qaUkNPG8/data/c02b30aca/81490bcf38f9408f9d26a5ba2f3d21d4/FLAG50418be3b [2021-10-13 07:43:22,982 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2be926-22f9-4531-9dc3-45d122b77387/bin/utaipan-q2qaUkNPG8/data/c02b30aca/81490bcf38f9408f9d26a5ba2f3d21d4 [2021-10-13 07:43:22,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:43:22,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:43:22,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:43:22,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:43:22,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:43:22,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:43:22" (1/1) ... [2021-10-13 07:43:22,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2496bfad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:22, skipping insertion in model container [2021-10-13 07:43:22,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:43:22" (1/1) ... [2021-10-13 07:43:23,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:43:23,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:43:24,471 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 07:43:24,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ae4067a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:24, skipping insertion in model container [2021-10-13 07:43:24,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:43:24,472 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:43:24,474 INFO L168 Benchmark]: Toolchain (without parser) took 1486.49 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 31.4 MB in the beginning and 38.1 MB in the end (delta: -6.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:43:24,475 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory is still 40.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:43:24,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1482.55 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 31.3 MB in the beginning and 38.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:43:24,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory is still 40.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1482.55 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 31.3 MB in the beginning and 38.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2775]: 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...