./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh --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 bcc96ea5a402f6c50c6ada50aa02c055724bf69145719cad5c0602e9f9b5b2e4 --- 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-2329fc7 [2022-12-14 14:30:00,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:30:00,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:30:00,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:30:00,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:30:00,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:30:00,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:30:00,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:30:00,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:30:00,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:30:00,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:30:00,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:30:00,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:30:00,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:30:00,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:30:00,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:30:00,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:30:00,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:30:00,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:30:00,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:30:00,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:30:00,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:30:00,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:30:00,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:30:00,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:30:00,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:30:00,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:30:00,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:30:00,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:30:00,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:30:00,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:30:00,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:30:00,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:30:00,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:30:00,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:30:00,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:30:00,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:30:00,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:30:00,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:30:00,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:30:00,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:30:00,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 14:30:00,946 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:30:00,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:30:00,946 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:30:00,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:30:00,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:30:00,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:30:00,947 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:30:00,947 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:30:00,947 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:30:00,947 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:30:00,948 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:30:00,948 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:30:00,948 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:30:00,948 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:30:00,948 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:30:00,948 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:30:00,949 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:30:00,949 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:30:00,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:30:00,950 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:30:00,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:30:00,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:30:00,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:30:00,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:30:00,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:30:00,951 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 14:30:00,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:30:00,951 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:30:00,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:30:00,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:30:00,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:30:00,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:30:00,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:30:00,952 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:30:00,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:30:00,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:30:00,953 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:30:00,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:30:00,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:30:00,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:30:00,953 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_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcc96ea5a402f6c50c6ada50aa02c055724bf69145719cad5c0602e9f9b5b2e4 [2022-12-14 14:30:01,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:30:01,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:30:01,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:30:01,161 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:30:01,161 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:30:01,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2022-12-14 14:30:03,749 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:30:04,037 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:30:04,037 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2022-12-14 14:30:04,057 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/data/bd5cae073/415c029a65fe4864b4303bfde9469791/FLAG4bfc9acf0 [2022-12-14 14:30:04,069 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/data/bd5cae073/415c029a65fe4864b4303bfde9469791 [2022-12-14 14:30:04,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:30:04,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:30:04,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:30:04,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:30:04,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:30:04,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:30:04" (1/1) ... [2022-12-14 14:30:04,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc69ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:04, skipping insertion in model container [2022-12-14 14:30:04,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:30:04" (1/1) ... [2022-12-14 14:30:04,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:30:04,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:30:04,957 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 14:30:04,959 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-14 14:30:04,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7830f261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:04, skipping insertion in model container [2022-12-14 14:30:04,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:30:04,961 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 14:30:04,962 INFO L158 Benchmark]: Toolchain (without parser) took 889.81ms. Allocated memory is still 157.3MB. Free memory was 111.4MB in the beginning and 85.0MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 14:30:04,963 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 157.3MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:30:04,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 888.17ms. Allocated memory is still 157.3MB. Free memory was 111.4MB in the beginning and 85.3MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 14:30:04,965 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 157.3MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 888.17ms. Allocated memory is still 157.3MB. Free memory was 111.4MB in the beginning and 85.3MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh --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 bcc96ea5a402f6c50c6ada50aa02c055724bf69145719cad5c0602e9f9b5b2e4 --- 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-2329fc7 [2022-12-14 14:30:06,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:30:06,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:30:06,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:30:06,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:30:06,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:30:06,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:30:06,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:30:06,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:30:06,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:30:06,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:30:06,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:30:06,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:30:06,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:30:06,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:30:06,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:30:06,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:30:06,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:30:06,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:30:06,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:30:06,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:30:06,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:30:06,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:30:06,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:30:06,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:30:06,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:30:06,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:30:06,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:30:06,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:30:06,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:30:06,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:30:06,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:30:06,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:30:06,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:30:06,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:30:06,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:30:06,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:30:06,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:30:06,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:30:06,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:30:06,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:30:06,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 14:30:06,347 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:30:06,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:30:06,348 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:30:06,348 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:30:06,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:30:06,349 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:30:06,349 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:30:06,349 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:30:06,349 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:30:06,349 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:30:06,349 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:30:06,349 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:30:06,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:30:06,350 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:30:06,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:30:06,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:30:06,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:30:06,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:30:06,351 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 14:30:06,351 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 14:30:06,351 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 14:30:06,351 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 14:30:06,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:30:06,351 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:30:06,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:30:06,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:30:06,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 14:30:06,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:30:06,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:30:06,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:30:06,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:30:06,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:30:06,352 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 14:30:06,353 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 14:30:06,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:30:06,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:30:06,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 14:30:06,353 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_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcc96ea5a402f6c50c6ada50aa02c055724bf69145719cad5c0602e9f9b5b2e4 [2022-12-14 14:30:06,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:30:06,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:30:06,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:30:06,606 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:30:06,606 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:30:06,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2022-12-14 14:30:09,204 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:30:09,523 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:30:09,523 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2022-12-14 14:30:09,540 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/data/735e01055/24dcb9fc13754c25abf5d121c1b9e482/FLAG3119cecb1 [2022-12-14 14:30:09,761 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dda5333a-183a-4a7a-8e16-4cd5ce626876/bin/utaipan-gh47qXpMRh/data/735e01055/24dcb9fc13754c25abf5d121c1b9e482 [2022-12-14 14:30:09,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:30:09,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:30:09,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:30:09,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:30:09,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:30:09,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:30:09" (1/1) ... [2022-12-14 14:30:09,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6643dd59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:09, skipping insertion in model container [2022-12-14 14:30:09,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:30:09" (1/1) ... [2022-12-14 14:30:09,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:30:09,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:30:10,631 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 14:30:10,634 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-14 14:30:10,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5052d37d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:10, skipping insertion in model container [2022-12-14 14:30:10,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:30:10,635 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 14:30:10,636 INFO L158 Benchmark]: Toolchain (without parser) took 871.73ms. Allocated memory is still 88.1MB. Free memory was 61.7MB in the beginning and 53.9MB in the end (delta: 7.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-12-14 14:30:10,637 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:30:10,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 869.92ms. Allocated memory is still 88.1MB. Free memory was 61.5MB in the beginning and 53.9MB in the end (delta: 7.6MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-12-14 14:30:10,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 869.92ms. Allocated memory is still 88.1MB. Free memory was 61.5MB in the beginning and 53.9MB in the end (delta: 7.6MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN