./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW --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 bac1c479ecb94b6deb95126013b1c4dbd0d92e2f4672788b7bb567e3d6bf83aa --- 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-4e7fbc6 [2022-11-23 16:04:27,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:04:27,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:04:27,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:04:27,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:04:27,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:04:27,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:04:27,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:04:27,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:04:27,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:04:27,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:04:27,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:04:27,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:04:27,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:04:27,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:04:27,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:04:27,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:04:27,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:04:27,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:04:27,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:04:27,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:04:27,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:04:27,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:04:27,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:04:27,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:04:28,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:04:28,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:04:28,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:04:28,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:04:28,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:04:28,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:04:28,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:04:28,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:04:28,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:04:28,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:04:28,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:04:28,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:04:28,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:04:28,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:04:28,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:04:28,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:04:28,015 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 16:04:28,069 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:04:28,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:04:28,071 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:04:28,071 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:04:28,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:04:28,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:04:28,072 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:04:28,073 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:04:28,073 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:04:28,073 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 16:04:28,074 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:04:28,074 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:04:28,075 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 16:04:28,075 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 16:04:28,075 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:04:28,076 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 16:04:28,076 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 16:04:28,076 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 16:04:28,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:04:28,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 16:04:28,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:04:28,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:04:28,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:04:28,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:04:28,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:04:28,079 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:04:28,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:04:28,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:04:28,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:04:28,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:04:28,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:04:28,081 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 16:04:28,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:04:28,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:04:28,082 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 16:04:28,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 16:04:28,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:04:28,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:04:28,104 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_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bac1c479ecb94b6deb95126013b1c4dbd0d92e2f4672788b7bb567e3d6bf83aa [2022-11-23 16:04:28,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:04:28,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:04:28,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:04:28,416 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:04:28,417 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:04:28,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i [2022-11-23 16:04:31,427 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:04:33,221 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:04:33,222 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i [2022-11-23 16:04:33,391 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/data/bab72b589/ee9fca699e91472fa99441b85e5e9fcf/FLAG1f1e034ee [2022-11-23 16:04:33,408 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/data/bab72b589/ee9fca699e91472fa99441b85e5e9fcf [2022-11-23 16:04:33,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:04:33,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:04:33,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:04:33,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:04:33,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:04:33,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:04:33" (1/1) ... [2022-11-23 16:04:33,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6673bcc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:33, skipping insertion in model container [2022-11-23 16:04:33,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:04:33" (1/1) ... [2022-11-23 16:04:33,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:04:34,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:05:00,002 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-23 16:05:00,003 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-23 16:05:00,004 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-23 16:05:00,005 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-23 16:05:00,006 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-23 16:05:00,007 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-23 16:05:00,008 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-23 16:05:00,010 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-23 16:05:00,011 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-23 16:05:00,018 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_bc2f6046-6922-49af-80aa-475bf6a43d1e/sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i[482532,482545] [2022-11-23 16:05:00,022 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_bc2f6046-6922-49af-80aa-475bf6a43d1e/sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i[483018,483031] [2022-11-23 16:05:00,068 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-23 16:05:00,260 WARN L611 FunctionHandler]: implicit declaration of function __builtin_strspn [2022-11-23 16:05:00,292 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: rpl_fcntl [2022-11-23 16:05:00,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72b0a24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:00, skipping insertion in model container [2022-11-23 16:05:00,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:05:00,294 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 16:05:00,297 INFO L158 Benchmark]: Toolchain (without parser) took 26883.72ms. Allocated memory was 190.8MB in the beginning and 314.6MB in the end (delta: 123.7MB). Free memory was 108.7MB in the beginning and 106.9MB in the end (delta: 1.8MB). Peak memory consumption was 170.7MB. Max. memory is 16.1GB. [2022-11-23 16:05:00,298 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:05:00,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 26879.15ms. Allocated memory was 190.8MB in the beginning and 314.6MB in the end (delta: 123.7MB). Free memory was 108.7MB in the beginning and 106.9MB in the end (delta: 1.8MB). Peak memory consumption was 170.7MB. Max. memory is 16.1GB. [2022-11-23 16:05:00,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 26879.15ms. Allocated memory was 190.8MB in the beginning and 314.6MB in the end (delta: 123.7MB). Free memory was 108.7MB in the beginning and 106.9MB in the end (delta: 1.8MB). Peak memory consumption was 170.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 12411]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: rpl_fcntl 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_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW --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 bac1c479ecb94b6deb95126013b1c4dbd0d92e2f4672788b7bb567e3d6bf83aa --- 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-4e7fbc6 [2022-11-23 16:05:02,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:05:02,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:05:02,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:05:02,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:05:02,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:05:02,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:05:02,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:05:02,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:05:02,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:05:02,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:05:02,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:05:02,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:05:02,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:05:02,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:05:02,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:05:02,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:05:02,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:05:02,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:05:02,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:05:02,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:05:02,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:05:02,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:05:02,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:05:02,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:05:02,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:05:02,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:05:02,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:05:02,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:05:02,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:05:02,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:05:02,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:05:02,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:05:02,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:05:02,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:05:02,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:05:02,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:05:02,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:05:02,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:05:02,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:05:02,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:05:02,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-23 16:05:02,636 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:05:02,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:05:02,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:05:02,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:05:02,639 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:05:02,639 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:05:02,639 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:05:02,639 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:05:02,640 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:05:02,640 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:05:02,641 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:05:02,641 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:05:02,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:05:02,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:05:02,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:05:02,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:05:02,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:05:02,643 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 16:05:02,643 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 16:05:02,643 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 16:05:02,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:05:02,644 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:05:02,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:05:02,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:05:02,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 16:05:02,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:05:02,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:05:02,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:05:02,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:05:02,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:05:02,646 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 16:05:02,646 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 16:05:02,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:05:02,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:05:02,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 16:05:02,647 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_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bac1c479ecb94b6deb95126013b1c4dbd0d92e2f4672788b7bb567e3d6bf83aa [2022-11-23 16:05:03,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:05:03,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:05:03,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:05:03,043 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:05:03,044 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:05:03,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i [2022-11-23 16:05:06,090 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:05:07,923 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:05:07,924 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i [2022-11-23 16:05:08,243 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/data/6fd212b1d/6ff1e4e04e73435e929bb8b974a92d60/FLAG052b6cd2a [2022-11-23 16:05:08,257 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f6046-6922-49af-80aa-475bf6a43d1e/bin/utaipan-Q6hlc19bkW/data/6fd212b1d/6ff1e4e04e73435e929bb8b974a92d60 [2022-11-23 16:05:08,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:05:08,261 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:05:08,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:05:08,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:05:08,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:05:08,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:05:08" (1/1) ... [2022-11-23 16:05:08,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b04182e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:08, skipping insertion in model container [2022-11-23 16:05:08,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:05:08" (1/1) ... [2022-11-23 16:05:08,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:05:09,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:05:35,564 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-23 16:05:35,565 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-23 16:05:35,566 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-23 16:05:35,567 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-23 16:05:35,569 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-23 16:05:35,570 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-23 16:05:35,571 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-23 16:05:35,573 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-23 16:05:35,573 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-23 16:05:35,580 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_bc2f6046-6922-49af-80aa-475bf6a43d1e/sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i[482532,482545] [2022-11-23 16:05:35,585 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_bc2f6046-6922-49af-80aa-475bf6a43d1e/sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i[483018,483031] [2022-11-23 16:05:35,618 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-23 16:05:35,715 WARN L611 FunctionHandler]: implicit declaration of function __builtin_strspn [2022-11-23 16:05:35,729 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: rpl_fcntl [2022-11-23 16:05:35,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34c065c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:35, skipping insertion in model container [2022-11-23 16:05:35,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:05:35,731 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 16:05:35,733 INFO L158 Benchmark]: Toolchain (without parser) took 27470.19ms. Allocated memory was 107.0MB in the beginning and 346.0MB in the end (delta: 239.1MB). Free memory was 46.2MB in the beginning and 81.8MB in the end (delta: -35.6MB). Peak memory consumption was 211.1MB. Max. memory is 16.1GB. [2022-11-23 16:05:35,733 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 38.2MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:05:35,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 27467.89ms. Allocated memory was 107.0MB in the beginning and 346.0MB in the end (delta: 239.1MB). Free memory was 45.9MB in the beginning and 81.8MB in the end (delta: -35.9MB). Peak memory consumption was 211.1MB. Max. memory is 16.1GB. [2022-11-23 16:05:35,736 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 38.2MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 27467.89ms. Allocated memory was 107.0MB in the beginning and 346.0MB in the end (delta: 239.1MB). Free memory was 45.9MB in the beginning and 81.8MB in the end (delta: -35.9MB). Peak memory consumption was 211.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 12411]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: rpl_fcntl 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