./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:16:52,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:16:52,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:16:52,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:16:52,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:16:52,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:16:52,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:16:52,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:16:52,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:16:52,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:16:52,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:16:52,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:16:52,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:16:52,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:16:52,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:16:52,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:16:52,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:16:52,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:16:52,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:16:52,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:16:52,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:16:52,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:16:52,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:16:52,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:16:52,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:16:52,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:16:52,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:16:53,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:16:53,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:16:53,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:16:53,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:16:53,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:16:53,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:16:53,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:16:53,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:16:53,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:16:53,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:16:53,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:16:53,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:16:53,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:16:53,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:16:53,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-23 17:16:53,075 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:16:53,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:16:53,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:16:53,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:16:53,078 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:16:53,078 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:16:53,078 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:16:53,079 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:16:53,079 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:16:53,079 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:16:53,080 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:16:53,081 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:16:53,081 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:16:53,081 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:16:53,081 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:16:53,081 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:16:53,082 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:16:53,082 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:16:53,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 17:16:53,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 17:16:53,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:16:53,083 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 17:16:53,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:16:53,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:16:53,086 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 17:16:53,086 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 17:16:53,086 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 17:16:53,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:16:53,086 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:16:53,087 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:16:53,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:16:53,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:16:53,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:16:53,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:16:53,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:16:53,088 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:16:53,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:16:53,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:16:53,089 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:16:53,089 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_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-11-23 17:16:53,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:16:53,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:16:53,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:16:53,429 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:16:53,430 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:16:53,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-23 17:16:53,510 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/data/a563828f3/fa90fb90ad27473797fb8f96b16033bf/FLAGbd337a0a4 [2021-11-23 17:16:54,358 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:16:54,359 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-23 17:16:54,406 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/data/a563828f3/fa90fb90ad27473797fb8f96b16033bf/FLAGbd337a0a4 [2021-11-23 17:16:54,435 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/data/a563828f3/fa90fb90ad27473797fb8f96b16033bf [2021-11-23 17:16:54,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:16:54,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:16:54,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:16:54,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:16:54,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:16:54,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:16:54" (1/1) ... [2021-11-23 17:16:54,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c374ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:54, skipping insertion in model container [2021-11-23 17:16:54,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:16:54" (1/1) ... [2021-11-23 17:16:54,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:16:54,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:16:55,762 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-11-23 17:16:55,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e9d5a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:55, skipping insertion in model container [2021-11-23 17:16:55,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:16:55,764 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 17:16:55,766 INFO L158 Benchmark]: Toolchain (without parser) took 1322.37ms. Allocated memory is still 90.2MB. Free memory was 64.6MB in the beginning and 49.8MB in the end (delta: 14.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:16:55,766 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 90.2MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:16:55,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1318.54ms. Allocated memory is still 90.2MB. Free memory was 64.4MB in the beginning and 49.9MB in the end (delta: 14.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:16:55,769 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 90.2MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1318.54ms. Allocated memory is still 90.2MB. Free memory was 64.4MB in the beginning and 49.9MB in the end (delta: 14.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:16:57,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:16:57,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:16:58,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:16:58,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:16:58,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:16:58,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:16:58,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:16:58,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:16:58,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:16:58,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:16:58,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:16:58,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:16:58,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:16:58,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:16:58,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:16:58,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:16:58,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:16:58,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:16:58,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:16:58,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:16:58,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:16:58,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:16:58,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:16:58,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:16:58,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:16:58,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:16:58,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:16:58,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:16:58,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:16:58,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:16:58,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:16:58,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:16:58,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:16:58,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:16:58,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:16:58,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:16:58,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:16:58,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:16:58,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:16:58,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:16:58,118 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-23 17:16:58,166 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:16:58,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:16:58,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:16:58,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:16:58,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:16:58,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:16:58,169 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:16:58,169 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:16:58,169 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:16:58,169 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:16:58,170 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:16:58,171 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:16:58,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 17:16:58,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 17:16:58,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:16:58,173 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 17:16:58,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:16:58,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:16:58,174 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 17:16:58,174 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 17:16:58,174 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 17:16:58,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:16:58,175 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:16:58,175 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:16:58,175 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:16:58,175 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:16:58,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:16:58,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:16:58,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:16:58,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:16:58,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:16:58,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:16:58,177 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:16:58,177 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:16:58,178 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:16:58,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:16:58,178 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_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-11-23 17:16:58,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:16:58,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:16:58,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:16:58,672 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:16:58,673 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:16:58,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-23 17:16:58,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/data/6a2260816/6d0eb4a4ee8d4f13bd6e58d301ad6f08/FLAGd39d9da30 [2021-11-23 17:16:59,664 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:16:59,666 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-23 17:16:59,702 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/data/6a2260816/6d0eb4a4ee8d4f13bd6e58d301ad6f08/FLAGd39d9da30 [2021-11-23 17:16:59,753 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ab8467-3095-4353-94e7-3f20f5961265/bin/utaipan-fb15Y9Yzbl/data/6a2260816/6d0eb4a4ee8d4f13bd6e58d301ad6f08 [2021-11-23 17:16:59,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:16:59,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:16:59,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:16:59,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:16:59,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:16:59,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:16:59" (1/1) ... [2021-11-23 17:16:59,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a339776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:59, skipping insertion in model container [2021-11-23 17:16:59,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:16:59" (1/1) ... [2021-11-23 17:16:59,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:16:59,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:17:01,110 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-11-23 17:17:01,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@164511ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:01, skipping insertion in model container [2021-11-23 17:17:01,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:17:01,112 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 17:17:01,115 INFO L158 Benchmark]: Toolchain (without parser) took 1355.90ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 32.9MB in the beginning and 42.6MB in the end (delta: -9.6MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2021-11-23 17:17:01,116 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 60.8MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:17:01,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1353.04ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 32.7MB in the beginning and 42.6MB in the end (delta: -9.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2021-11-23 17:17:01,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 60.8MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1353.04ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 32.7MB in the beginning and 42.6MB in the end (delta: -9.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN