./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/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_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI --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 be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 ......................................................................................................................................... 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_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/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_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI --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 be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:23:41,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:41,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:41,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:41,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:41,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:41,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:41,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:41,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:41,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:41,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:41,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:41,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:41,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:41,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:41,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:41,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:42,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:42,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:42,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:42,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:42,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:42,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:42,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:42,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:42,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:42,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:42,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:42,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:42,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:42,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:42,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:42,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:42,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:42,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:42,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:42,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:42,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:42,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:42,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:42,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:42,045 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-11 02:23:42,087 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:42,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:42,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:42,089 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:42,089 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:42,089 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:42,090 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:23:42,090 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:42,090 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:42,090 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:23:42,091 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:23:42,092 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:42,092 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:23:42,092 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:23:42,092 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:23:42,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:23:42,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:23:42,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:42,094 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:23:42,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:42,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:42,095 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:23:42,095 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:23:42,095 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:23:42,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:42,095 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:42,097 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:42,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:42,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:42,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:42,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:42,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:42,099 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:23:42,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:23:42,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:42,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:42,099 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_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 [2021-10-11 02:23:42,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:42,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:42,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:42,395 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:42,396 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:42,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-11 02:23:42,478 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/data/dc22702b9/3da6a652f8b949868b11584ae9a68999/FLAG062292c40 [2021-10-11 02:23:43,298 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:43,299 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-11 02:23:43,343 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/data/dc22702b9/3da6a652f8b949868b11584ae9a68999/FLAG062292c40 [2021-10-11 02:23:43,370 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/data/dc22702b9/3da6a652f8b949868b11584ae9a68999 [2021-10-11 02:23:43,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:43,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:43,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:43,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:43,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:43,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:43" (1/1) ... [2021-10-11 02:23:43,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e08c53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:43, skipping insertion in model container [2021-10-11 02:23:43,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:43" (1/1) ... [2021-10-11 02:23:43,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:43,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:44,626 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 [2021-10-11 02:23:44,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16d25643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:44, skipping insertion in model container [2021-10-11 02:23:44,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:44,628 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:23:44,630 INFO L168 Benchmark]: Toolchain (without parser) took 1252.97 ms. Allocated memory is still 115.3 MB. Free memory was 76.5 MB in the beginning and 75.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:44,631 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 75.5 MB. Free memory is still 31.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:44,632 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1247.67 ms. Allocated memory is still 115.3 MB. Free memory was 76.3 MB in the beginning and 75.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:44,633 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 75.5 MB. Free memory is still 31.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1247.67 ms. Allocated memory is still 115.3 MB. Free memory was 76.3 MB in the beginning and 75.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 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... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:23:46,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:46,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:46,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:46,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:46,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:46,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:46,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:46,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:46,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:46,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:46,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:46,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:46,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:46,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:46,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:46,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:46,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:46,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:46,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:46,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:46,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:46,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:46,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:46,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:46,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:46,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:46,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:46,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:46,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:46,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:46,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:46,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:46,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:46,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:46,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:46,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:46,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:46,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:46,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:46,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:46,985 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-11 02:23:47,028 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:47,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:47,029 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:47,029 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:47,030 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:47,030 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:47,030 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:47,030 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:47,030 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:47,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:23:47,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:23:47,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:47,033 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:23:47,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:47,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:47,034 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:23:47,034 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:23:47,034 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:23:47,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:47,034 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:47,035 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:23:47,035 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:23:47,035 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:47,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:47,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:23:47,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:47,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:47,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:47,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:47,036 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:23:47,037 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:47,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:47,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:47,037 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_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 [2021-10-11 02:23:47,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:47,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:47,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:47,469 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:47,471 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:47,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-11 02:23:47,553 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/data/7cc738f88/68eff289b488421eb757150aa34e3234/FLAG9ef60e2cc [2021-10-11 02:23:48,452 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:48,453 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-11 02:23:48,489 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/data/7cc738f88/68eff289b488421eb757150aa34e3234/FLAG9ef60e2cc [2021-10-11 02:23:48,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b97f0a-2e54-48f2-8650-9fb343f3b5e8/bin/utaipan-WLngWcDbfI/data/7cc738f88/68eff289b488421eb757150aa34e3234 [2021-10-11 02:23:48,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:48,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:48,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:48,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:48,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:48,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:48" (1/1) ... [2021-10-11 02:23:48,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6f3780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:48, skipping insertion in model container [2021-10-11 02:23:48,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:48" (1/1) ... [2021-10-11 02:23:48,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:49,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:50,247 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 [2021-10-11 02:23:50,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75942c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:50, skipping insertion in model container [2021-10-11 02:23:50,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:50,248 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:23:50,250 INFO L168 Benchmark]: Toolchain (without parser) took 1271.16 ms. Allocated memory is still 71.3 MB. Free memory was 47.9 MB in the beginning and 41.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:50,251 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 71.3 MB. Free memory was 51.6 MB in the beginning and 51.6 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:50,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1268.80 ms. Allocated memory is still 71.3 MB. Free memory was 47.7 MB in the beginning and 41.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:50,253 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 71.3 MB. Free memory was 51.6 MB in the beginning and 51.6 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1268.80 ms. Allocated memory is still 71.3 MB. Free memory was 47.7 MB in the beginning and 41.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * 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...