./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF --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 c8a13116cc268d39d83f5178ab05dd167f5c2b863e14e2c3929c8638dce05791 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:41:45,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:41:45,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:41:45,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:41:45,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:41:45,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:41:45,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:41:45,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:41:45,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:41:45,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:41:45,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:41:45,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:41:45,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:41:45,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:41:45,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:41:45,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:41:45,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:41:45,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:41:45,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:41:45,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:41:45,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:41:45,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:41:45,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:41:45,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:41:46,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:41:46,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:41:46,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:41:46,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:41:46,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:41:46,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:41:46,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:41:46,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:41:46,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:41:46,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:41:46,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:41:46,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:41:46,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:41:46,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:41:46,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:41:46,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:41:46,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:41:46,018 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-12 22:41:46,061 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:41:46,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:41:46,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:41:46,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:41:46,063 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:41:46,063 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:41:46,064 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:41:46,064 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:41:46,064 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:41:46,064 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:41:46,066 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:41:46,066 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:41:46,066 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:41:46,067 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:41:46,067 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:41:46,067 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:41:46,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 22:41:46,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 22:41:46,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:41:46,069 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:41:46,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:41:46,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:41:46,070 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 22:41:46,070 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 22:41:46,071 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 22:41:46,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:41:46,073 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:41:46,073 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:41:46,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:41:46,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:41:46,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:41:46,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:41:46,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:41:46,075 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:41:46,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:41:46,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:41:46,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:41:46,076 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_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a13116cc268d39d83f5178ab05dd167f5c2b863e14e2c3929c8638dce05791 [2021-11-12 22:41:46,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:41:46,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:41:46,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:41:46,524 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:41:46,524 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:41:46,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i [2021-11-12 22:41:46,652 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/data/d6b0f2820/8f259fc1eb544e78be9090135387b11f/FLAG7a58572b0 [2021-11-12 22:41:47,390 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:41:47,391 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i [2021-11-12 22:41:47,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/data/d6b0f2820/8f259fc1eb544e78be9090135387b11f/FLAG7a58572b0 [2021-11-12 22:41:47,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/data/d6b0f2820/8f259fc1eb544e78be9090135387b11f [2021-11-12 22:41:47,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:41:47,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:41:47,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:41:47,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:41:47,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:41:47,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:41:47" (1/1) ... [2021-11-12 22:41:47,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f93a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:41:47, skipping insertion in model container [2021-11-12 22:41:47,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:41:47" (1/1) ... [2021-11-12 22:41:47,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:41:47,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:41:48,974 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 [2021-11-12 22:41:48,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77791190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:41:48, skipping insertion in model container [2021-11-12 22:41:48,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:41:48,976 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:41:48,978 INFO L158 Benchmark]: Toolchain (without parser) took 1411.13ms. Allocated memory is still 96.5MB. Free memory was 55.2MB in the beginning and 58.0MB in the end (delta: -2.8MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-11-12 22:41:48,978 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:41:48,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1405.25ms. Allocated memory is still 96.5MB. Free memory was 55.0MB in the beginning and 58.0MB in the end (delta: -3.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-12 22:41:48,987 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1405.25ms. Allocated memory is still 96.5MB. Free memory was 55.0MB in the beginning and 58.0MB in the end (delta: -3.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2439]: 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF --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 c8a13116cc268d39d83f5178ab05dd167f5c2b863e14e2c3929c8638dce05791 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:41:51,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:41:51,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:41:51,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:41:51,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:41:51,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:41:51,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:41:51,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:41:51,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:41:51,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:41:51,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:41:51,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:41:51,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:41:51,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:41:51,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:41:51,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:41:51,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:41:51,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:41:51,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:41:51,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:41:51,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:41:51,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:41:51,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:41:51,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:41:51,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:41:51,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:41:51,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:41:51,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:41:51,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:41:51,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:41:51,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:41:51,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:41:51,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:41:51,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:41:51,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:41:51,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:41:51,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:41:51,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:41:51,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:41:51,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:41:51,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:41:51,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-12 22:41:51,644 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:41:51,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:41:51,646 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:41:51,646 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:41:51,646 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:41:51,646 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:41:51,647 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:41:51,647 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:41:51,647 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:41:51,648 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:41:51,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 22:41:51,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 22:41:51,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:41:51,652 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:41:51,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:41:51,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:41:51,653 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 22:41:51,653 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 22:41:51,654 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 22:41:51,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:41:51,654 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:41:51,655 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:41:51,655 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:41:51,655 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:41:51,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:41:51,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:41:51,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:41:51,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:41:51,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:41:51,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:41:51,658 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:41:51,659 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:41:51,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:41:51,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:41:51,660 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_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a13116cc268d39d83f5178ab05dd167f5c2b863e14e2c3929c8638dce05791 [2021-11-12 22:41:52,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:41:52,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:41:52,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:41:52,120 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:41:52,121 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:41:52,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i [2021-11-12 22:41:52,208 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/data/8eb96233b/bb95b107887c435e84ae16d2acd99e3a/FLAGddfed05eb [2021-11-12 22:41:53,005 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:41:53,006 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i [2021-11-12 22:41:53,056 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/data/8eb96233b/bb95b107887c435e84ae16d2acd99e3a/FLAGddfed05eb [2021-11-12 22:41:53,112 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d288128-1a61-4efd-b287-e3a81d6203de/bin/utaipan-vmNK8stdcF/data/8eb96233b/bb95b107887c435e84ae16d2acd99e3a [2021-11-12 22:41:53,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:41:53,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:41:53,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:41:53,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:41:53,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:41:53,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:41:53" (1/1) ... [2021-11-12 22:41:53,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed18fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:41:53, skipping insertion in model container [2021-11-12 22:41:53,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:41:53" (1/1) ... [2021-11-12 22:41:53,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:41:53,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:41:54,967 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 [2021-11-12 22:41:54,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@dff5fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:41:54, skipping insertion in model container [2021-11-12 22:41:54,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:41:54,969 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:41:54,973 INFO L158 Benchmark]: Toolchain (without parser) took 1853.34ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 34.6MB in the beginning and 43.9MB in the end (delta: -9.3MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2021-11-12 22:41:54,975 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory was 41.8MB in the beginning and 41.7MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:41:54,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1848.46ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 34.5MB in the beginning and 43.9MB in the end (delta: -9.4MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2021-11-12 22:41:54,980 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory was 41.8MB in the beginning and 41.7MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1848.46ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 34.5MB in the beginning and 43.9MB in the end (delta: -9.4MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2439]: 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