./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/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_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a --- 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 [2022-11-25 23:54:21,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:54:21,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:54:21,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:54:21,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:54:21,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:54:21,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:54:21,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:54:21,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:54:21,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:54:21,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:54:21,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:54:21,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:54:21,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:54:21,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:54:21,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:54:21,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:54:21,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:54:21,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:54:21,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:54:21,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:54:21,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:54:21,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:54:21,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:54:21,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:54:21,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:54:21,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:54:21,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:54:21,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:54:21,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:54:21,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:54:21,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:54:21,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:54:21,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:54:21,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:54:21,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:54:21,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:54:21,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:54:21,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:54:21,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:54:21,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:54:21,299 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:54:21,352 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:54:21,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:54:21,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:54:21,354 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:54:21,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:54:21,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:54:21,356 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:54:21,356 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:54:21,356 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:54:21,357 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:54:21,358 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:54:21,359 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:54:21,359 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:54:21,359 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:54:21,359 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:54:21,360 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:54:21,360 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:54:21,360 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:54:21,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:54:21,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:54:21,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:54:21,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:54:21,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:54:21,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:54:21,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:54:21,363 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:54:21,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:54:21,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:54:21,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:54:21,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:54:21,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:54:21,365 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:54:21,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:54:21,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:54:21,366 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:54:21,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:54:21,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:54:21,367 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:54:21,367 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_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a [2022-11-25 23:54:21,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:54:21,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:54:21,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:54:21,753 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:54:21,754 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:54:21,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2022-11-25 23:54:25,199 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:54:25,830 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:54:25,831 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2022-11-25 23:54:25,880 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur/data/452f56dcb/63c5d5aad857484cb04d53af3f26ed1f/FLAGf1641f692 [2022-11-25 23:54:25,902 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur/data/452f56dcb/63c5d5aad857484cb04d53af3f26ed1f [2022-11-25 23:54:25,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:54:25,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:54:25,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:54:25,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:54:25,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:54:25,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:54:25" (1/1) ... [2022-11-25 23:54:25,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51db5bd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:25, skipping insertion in model container [2022-11-25 23:54:25,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:54:25" (1/1) ... [2022-11-25 23:54:25,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:54:26,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:54:29,133 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[113333,113346] [2022-11-25 23:54:29,140 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 23:54:29,156 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 23:54:29,161 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-11-25 23:54:29,165 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-25 23:54:29,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@780d9ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:29, skipping insertion in model container [2022-11-25 23:54:29,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:54:29,167 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:54:29,170 INFO L158 Benchmark]: Toolchain (without parser) took 3260.20ms. Allocated memory is still 192.9MB. Free memory was 139.4MB in the beginning and 155.0MB in the end (delta: -15.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-25 23:54:29,170 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 86.3MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:54:29,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3255.40ms. Allocated memory is still 192.9MB. Free memory was 139.2MB in the beginning and 155.0MB in the end (delta: -15.8MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-25 23:54:29,173 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 86.3MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3255.40ms. Allocated memory is still 192.9MB. Free memory was 139.2MB in the beginning and 155.0MB in the end (delta: -15.8MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2858]: 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_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/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_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a --- 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 [2022-11-25 23:54:31,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:54:31,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:54:31,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:54:31,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:54:31,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:54:31,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:54:31,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:54:31,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:54:31,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:54:31,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:54:31,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:54:31,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:54:32,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:54:32,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:54:32,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:54:32,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:54:32,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:54:32,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:54:32,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:54:32,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:54:32,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:54:32,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:54:32,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:54:32,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:54:32,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:54:32,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:54:32,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:54:32,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:54:32,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:54:32,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:54:32,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:54:32,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:54:32,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:54:32,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:54:32,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:54:32,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:54:32,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:54:32,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:54:32,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:54:32,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:54:32,078 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-25 23:54:32,127 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:54:32,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:54:32,129 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:54:32,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:54:32,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:54:32,131 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:54:32,131 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:54:32,132 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:54:32,132 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:54:32,132 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:54:32,134 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:54:32,134 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:54:32,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:54:32,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:54:32,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:54:32,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:54:32,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:54:32,136 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:54:32,137 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:54:32,137 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:54:32,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:54:32,137 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:54:32,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:54:32,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:54:32,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:54:32,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:54:32,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:54:32,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:54:32,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:54:32,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:54:32,140 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:54:32,140 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:54:32,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:54:32,141 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:54:32,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:54:32,142 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_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a [2022-11-25 23:54:32,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:54:32,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:54:32,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:54:32,672 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:54:32,673 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:54:32,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2022-11-25 23:54:36,227 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:54:36,887 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:54:36,888 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2022-11-25 23:54:36,958 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur/data/8a2560695/5d358c69634b4c51bc1bfb07cb7e0d5a/FLAGbf3c97896 [2022-11-25 23:54:36,982 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/bin/utaipan-ByfvJB40ur/data/8a2560695/5d358c69634b4c51bc1bfb07cb7e0d5a [2022-11-25 23:54:36,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:54:36,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:54:36,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:54:36,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:54:36,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:54:36,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:54:36" (1/1) ... [2022-11-25 23:54:36,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d34dcb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:36, skipping insertion in model container [2022-11-25 23:54:36,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:54:36" (1/1) ... [2022-11-25 23:54:37,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:54:37,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:54:39,703 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6933a32a-e3ea-47ef-83aa-8a06c4f6d9de/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[113333,113346] [2022-11-25 23:54:39,710 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 23:54:39,745 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 23:54:39,746 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-11-25 23:54:39,749 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-25 23:54:39,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3bb0dc2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:39, skipping insertion in model container [2022-11-25 23:54:39,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:54:39,750 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:54:39,753 INFO L158 Benchmark]: Toolchain (without parser) took 2764.65ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 39.4MB in the beginning and 76.1MB in the end (delta: -36.7MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2022-11-25 23:54:39,753 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 69.2MB. Free memory was 47.6MB in the beginning and 47.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:54:39,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2760.49ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 39.1MB in the beginning and 76.1MB in the end (delta: -36.9MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2022-11-25 23:54:39,760 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 69.2MB. Free memory was 47.6MB in the beginning and 47.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2760.49ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 39.1MB in the beginning and 76.1MB in the end (delta: -36.9MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2858]: 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