./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:42:12,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:42:12,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:42:12,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:42:12,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:42:12,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:42:12,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:42:12,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:42:12,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:42:12,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:42:12,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:42:12,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:42:12,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:42:12,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:42:12,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:42:12,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:42:12,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:42:12,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:42:12,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:42:12,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:42:12,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:42:12,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:42:12,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:42:12,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:42:12,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:42:12,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:42:12,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:42:12,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:42:12,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:42:12,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:42:12,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:42:12,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:42:12,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:42:12,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:42:12,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:42:12,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:42:12,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:42:12,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:42:12,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:42:12,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:42:12,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:42:12,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:42:12,583 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:42:12,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:42:12,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:42:12,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:42:12,586 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:42:12,586 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:42:12,586 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:42:12,586 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:42:12,586 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:42:12,587 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:42:12,588 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:42:12,588 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:42:12,588 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:42:12,588 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:42:12,589 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:42:12,589 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:42:12,589 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:42:12,589 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:42:12,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:42:12,590 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:42:12,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:42:12,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:42:12,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:42:12,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:42:12,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:42:12,591 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:42:12,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:42:12,592 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:42:12,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:42:12,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:42:12,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:42:12,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:42:12,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:42:12,594 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:42:12,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:42:12,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:42:12,594 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:42:12,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:42:12,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:42:12,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:42:12,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-11-26 00:42:12,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:42:12,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:42:12,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:42:12,937 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:42:12,937 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:42:12,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-26 00:42:15,956 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:42:16,442 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:42:16,442 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-26 00:42:16,482 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/data/c71a44973/be7056d095dd445689701c11b49c0b71/FLAG47ca6a580 [2022-11-26 00:42:16,501 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/data/c71a44973/be7056d095dd445689701c11b49c0b71 [2022-11-26 00:42:16,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:42:16,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:42:16,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:42:16,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:42:16,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:42:16,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:42:16" (1/1) ... [2022-11-26 00:42:16,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf40b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:42:16, skipping insertion in model container [2022-11-26 00:42:16,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:42:16" (1/1) ... [2022-11-26 00:42:16,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:42:16,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:42:17,933 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:42:17,935 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-26 00:42:17,937 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 00:42:17,947 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 00:42:17,949 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-26 00:42:17,950 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-26 00:42:17,953 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 [2022-11-26 00:42:17,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@734e7564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:42:17, skipping insertion in model container [2022-11-26 00:42:17,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:42:17,954 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:42:17,956 INFO L158 Benchmark]: Toolchain (without parser) took 1447.41ms. Allocated memory is still 184.5MB. Free memory was 132.0MB in the beginning and 104.4MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 00:42:17,956 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:42:17,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1442.63ms. Allocated memory is still 184.5MB. Free memory was 132.0MB in the beginning and 104.4MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 00:42:17,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1442.63ms. Allocated memory is still 184.5MB. Free memory was 132.0MB in the beginning and 104.4MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:42:20,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:42:20,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:42:20,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:42:20,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:42:20,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:42:20,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:42:20,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:42:20,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:42:20,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:42:20,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:42:20,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:42:20,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:42:20,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:42:20,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:42:20,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:42:20,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:42:20,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:42:20,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:42:20,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:42:20,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:42:20,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:42:20,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:42:20,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:42:20,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:42:20,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:42:20,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:42:20,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:42:20,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:42:20,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:42:20,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:42:20,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:42:20,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:42:20,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:42:20,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:42:20,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:42:20,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:42:20,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:42:20,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:42:20,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:42:20,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:42:20,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 00:42:20,282 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:42:20,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:42:20,284 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:42:20,284 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:42:20,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:42:20,285 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:42:20,285 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:42:20,286 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:42:20,286 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:42:20,286 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:42:20,287 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:42:20,288 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:42:20,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:42:20,289 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:42:20,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:42:20,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:42:20,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:42:20,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:42:20,290 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:42:20,291 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:42:20,291 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:42:20,291 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:42:20,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:42:20,292 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:42:20,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:42:20,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:42:20,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:42:20,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:42:20,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:42:20,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:42:20,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:42:20,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:42:20,294 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:42:20,294 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:42:20,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:42:20,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:42:20,295 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:42:20,295 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_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-11-26 00:42:20,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:42:20,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:42:20,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:42:20,760 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:42:20,761 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:42:20,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-26 00:42:23,843 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:42:24,277 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:42:24,279 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-26 00:42:24,321 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/data/4bec86f33/cadc08fa7944449c932cb41ae7c62889/FLAG89ef50699 [2022-11-26 00:42:24,342 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0fe3969-2eb9-4849-b36a-5a466c1ef69b/bin/utaipan-ByfvJB40ur/data/4bec86f33/cadc08fa7944449c932cb41ae7c62889 [2022-11-26 00:42:24,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:42:24,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:42:24,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:42:24,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:42:24,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:42:24,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:42:24" (1/1) ... [2022-11-26 00:42:24,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@460986f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:42:24, skipping insertion in model container [2022-11-26 00:42:24,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:42:24" (1/1) ... [2022-11-26 00:42:24,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:42:24,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:42:25,647 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:42:25,648 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-26 00:42:25,651 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 00:42:25,660 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 00:42:25,662 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-26 00:42:25,663 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-26 00:42:25,665 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 [2022-11-26 00:42:25,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c3a878b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:42:25, skipping insertion in model container [2022-11-26 00:42:25,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:42:25,666 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:42:25,668 INFO L158 Benchmark]: Toolchain (without parser) took 1321.43ms. Allocated memory is still 71.3MB. Free memory was 40.5MB in the beginning and 32.3MB in the end (delta: 8.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-26 00:42:25,668 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 71.3MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:42:25,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1317.76ms. Allocated memory is still 71.3MB. Free memory was 40.3MB in the beginning and 32.3MB in the end (delta: 8.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-26 00:42:25,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 71.3MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1317.76ms. Allocated memory is still 71.3MB. Free memory was 40.3MB in the beginning and 32.3MB in the end (delta: 8.0MB). Peak memory consumption was 12.8MB. 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