./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs --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 b79aacc29dd77438a6f4b408e2ec5d28d2c8b660 ......................................................................................................................................... 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_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs --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 b79aacc29dd77438a6f4b408e2ec5d28d2c8b660 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:14:04,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:14:04,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:14:04,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:14:04,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:14:04,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:14:04,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:14:04,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:14:04,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:14:04,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:14:04,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:14:04,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:14:04,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:14:04,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:14:04,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:14:04,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:14:04,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:14:04,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:14:04,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:14:04,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:14:04,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:14:04,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:14:04,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:14:04,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:14:04,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:14:04,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:14:04,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:14:04,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:14:04,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:14:04,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:14:04,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:14:04,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:14:04,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:14:04,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:14:04,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:14:04,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:14:04,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:14:04,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:14:04,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:14:04,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:14:04,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:14:04,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-16 02:14:04,953 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:14:04,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:14:04,955 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:14:04,962 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:14:04,962 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:14:04,963 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:14:04,963 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:14:04,963 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:14:04,963 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:14:04,964 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:14:04,965 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:14:04,965 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:14:04,966 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:14:04,966 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:14:04,966 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:14:04,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 02:14:04,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 02:14:04,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:14:04,969 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 02:14:04,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:14:04,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:14:04,970 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-16 02:14:04,970 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-16 02:14:04,970 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-16 02:14:04,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:14:04,971 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:14:04,972 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:14:04,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:14:04,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:14:04,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:14:04,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:14:04,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:14:04,975 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:14:04,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:14:04,975 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:14:04,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:14:04,976 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_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b79aacc29dd77438a6f4b408e2ec5d28d2c8b660 [2021-10-16 02:14:05,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:14:05,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:14:05,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:14:05,299 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:14:05,300 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:14:05,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-10-16 02:14:05,377 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/data/94064ec3d/12985bf68c0c45b1b3250fe50e0cec8f/FLAGe9fffd5da [2021-10-16 02:14:06,304 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:14:06,306 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-10-16 02:14:06,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/data/94064ec3d/12985bf68c0c45b1b3250fe50e0cec8f/FLAGe9fffd5da [2021-10-16 02:14:06,835 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/data/94064ec3d/12985bf68c0c45b1b3250fe50e0cec8f [2021-10-16 02:14:06,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:14:06,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:14:06,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:14:06,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:14:06,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:14:06,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:14:06" (1/1) ... [2021-10-16 02:14:06,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e78011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:06, skipping insertion in model container [2021-10-16 02:14:06,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:14:06" (1/1) ... [2021-10-16 02:14:06,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:14:06,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:14:08,217 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-16 02:14:08,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48e27a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:08, skipping insertion in model container [2021-10-16 02:14:08,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:14:08,219 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:14:08,221 INFO L168 Benchmark]: Toolchain (without parser) took 1380.41 ms. Allocated memory is still 107.0 MB. Free memory was 61.7 MB in the beginning and 69.0 MB in the end (delta: -7.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:14:08,222 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 107.0 MB. Free memory is still 82.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:14:08,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1363.37 ms. Allocated memory is still 107.0 MB. Free memory was 84.9 MB in the beginning and 69.0 MB in the end (delta: 15.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-16 02:14:08,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 107.0 MB. Free memory is still 82.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1363.37 ms. Allocated memory is still 107.0 MB. Free memory was 84.9 MB in the beginning and 69.0 MB in the end (delta: 15.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:14:10,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:14:10,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:14:10,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:14:10,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:14:10,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:14:10,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:14:10,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:14:10,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:14:10,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:14:10,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:14:10,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:14:10,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:14:10,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:14:10,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:14:10,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:14:10,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:14:10,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:14:10,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:14:10,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:14:10,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:14:10,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:14:10,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:14:10,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:14:10,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:14:10,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:14:10,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:14:10,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:14:10,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:14:10,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:14:10,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:14:10,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:14:10,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:14:10,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:14:10,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:14:10,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:14:10,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:14:10,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:14:10,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:14:10,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:14:10,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:14:10,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-16 02:14:10,618 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:14:10,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:14:10,619 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:14:10,620 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:14:10,620 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:14:10,620 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:14:10,620 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:14:10,621 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:14:10,621 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:14:10,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 02:14:10,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 02:14:10,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:14:10,622 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 02:14:10,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:14:10,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:14:10,623 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-16 02:14:10,623 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-16 02:14:10,623 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-16 02:14:10,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:14:10,623 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:14:10,624 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:14:10,624 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:14:10,624 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:14:10,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:14:10,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:14:10,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:14:10,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:14:10,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:14:10,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:14:10,625 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:14:10,626 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:14:10,626 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:14:10,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:14:10,626 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_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b79aacc29dd77438a6f4b408e2ec5d28d2c8b660 [2021-10-16 02:14:11,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:14:11,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:14:11,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:14:11,070 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:14:11,071 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:14:11,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-10-16 02:14:11,155 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/data/f5550120e/ef330e709f6f42099ec7bf95fdaede1f/FLAGdf10d601c [2021-10-16 02:14:11,929 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:14:11,930 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-10-16 02:14:11,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/data/f5550120e/ef330e709f6f42099ec7bf95fdaede1f/FLAGdf10d601c [2021-10-16 02:14:12,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd59422-e646-42de-bca1-34851adad4d1/bin/utaipan-mTDlp9Zugs/data/f5550120e/ef330e709f6f42099ec7bf95fdaede1f [2021-10-16 02:14:12,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:14:12,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:14:12,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:14:12,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:14:12,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:14:12,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:14:12" (1/1) ... [2021-10-16 02:14:12,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689247f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:12, skipping insertion in model container [2021-10-16 02:14:12,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:14:12" (1/1) ... [2021-10-16 02:14:12,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:14:12,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:14:13,407 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-16 02:14:13,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2be776ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:13, skipping insertion in model container [2021-10-16 02:14:13,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:14:13,409 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:14:13,411 INFO L168 Benchmark]: Toolchain (without parser) took 1387.08 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 39.6 MB in the beginning and 66.3 MB in the end (delta: -26.8 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:14:13,412 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 65.0 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:14:13,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1384.83 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 39.4 MB in the beginning and 66.3 MB in the end (delta: -26.9 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:14:13,415 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 65.0 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1384.83 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 39.4 MB in the beginning and 66.3 MB in the end (delta: -26.9 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...