./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --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 2615050d3e15454a7c4ac27f40f296bb7a011298e24dedaf2a982d9365404e2e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:46:26,419 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:46:26,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-12 00:46:26,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:46:26,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:46:26,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:46:26,577 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:46:26,578 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:46:26,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:46:26,584 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:46:26,585 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:46:26,586 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:46:26,587 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:46:26,588 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:46:26,589 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:46:26,589 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:46:26,590 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:46:26,590 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:46:26,591 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:46:26,591 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:46:26,593 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:46:26,594 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:46:26,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:46:26,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:46:26,596 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:46:26,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:46:26,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:46:26,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:46:26,598 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:46:26,598 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:46:26,600 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:46:26,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:46:26,600 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:46:26,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:46:26,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:46:26,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:46:26,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:46:26,602 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:46:26,603 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:46:26,603 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:46:26,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:46:26,604 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:46:26,604 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:46:26,604 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:46:26,605 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2615050d3e15454a7c4ac27f40f296bb7a011298e24dedaf2a982d9365404e2e [2023-11-12 00:46:26,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:46:26,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:46:26,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:46:26,974 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:46:26,975 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:46:26,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i [2023-11-12 00:46:30,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:46:32,345 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:46:32,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i [2023-11-12 00:46:32,617 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/data/80ac4f38d/f971c16abeb04712a72f684d7d5c1e1b/FLAG63823407f [2023-11-12 00:46:32,642 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/data/80ac4f38d/f971c16abeb04712a72f684d7d5c1e1b [2023-11-12 00:46:32,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:46:32,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:46:32,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:46:32,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:46:32,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:46:32,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:46:32" (1/1) ... [2023-11-12 00:46:32,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a511ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:32, skipping insertion in model container [2023-11-12 00:46:32,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:46:32" (1/1) ... [2023-11-12 00:46:33,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:47:06,255 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-12 00:47:06,256 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-12 00:47:06,257 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-12 00:47:06,258 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-12 00:47:06,260 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-12 00:47:06,261 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-12 00:47:06,262 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-12 00:47:06,265 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-12 00:47:06,266 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-12 00:47:06,323 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-12 00:47:06,470 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-12 00:47:07,253 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-12 00:47:07,620 ERROR L324 MainTranslator]: Unsupported Syntax: The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. [2023-11-12 00:47:07,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e005442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:07, skipping insertion in model container [2023-11-12 00:47:07,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:07,622 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 00:47:07,625 INFO L158 Benchmark]: Toolchain (without parser) took 34973.83ms. Allocated memory was 220.2MB in the beginning and 388.0MB in the end (delta: 167.8MB). Free memory was 108.2MB in the beginning and 155.6MB in the end (delta: -47.5MB). Peak memory consumption was 240.9MB. Max. memory is 16.1GB. [2023-11-12 00:47:07,626 INFO L158 Benchmark]: CDTParser took 1.46ms. Allocated memory is still 144.7MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:47:07,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 34966.44ms. Allocated memory was 220.2MB in the beginning and 388.0MB in the end (delta: 167.8MB). Free memory was 108.2MB in the beginning and 155.6MB in the end (delta: -47.5MB). Peak memory consumption was 240.9MB. Max. memory is 16.1GB. [2023-11-12 00:47:07,629 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46ms. Allocated memory is still 144.7MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 34966.44ms. Allocated memory was 220.2MB in the beginning and 388.0MB in the end (delta: 167.8MB). Free memory was 108.2MB in the beginning and 155.6MB in the end (delta: -47.5MB). Peak memory consumption was 240.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36544]: Unsupported Syntax The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. 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_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --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 2615050d3e15454a7c4ac27f40f296bb7a011298e24dedaf2a982d9365404e2e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:47:10,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:47:10,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-12 00:47:10,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:47:10,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:47:10,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:47:10,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:47:10,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:47:10,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:47:10,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:47:10,406 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:47:10,407 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:47:10,407 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:47:10,409 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:47:10,410 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:47:10,411 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:47:10,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:47:10,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:47:10,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:47:10,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:47:10,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:47:10,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:47:10,416 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:47:10,417 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:47:10,417 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:47:10,418 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:47:10,418 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:47:10,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:47:10,419 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:47:10,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:47:10,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:47:10,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:47:10,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:10,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:47:10,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:47:10,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:47:10,423 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:47:10,424 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:47:10,424 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:47:10,425 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:47:10,426 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:47:10,426 INFO L153 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_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2615050d3e15454a7c4ac27f40f296bb7a011298e24dedaf2a982d9365404e2e [2023-11-12 00:47:10,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:47:10,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:47:10,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:47:10,917 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:47:10,917 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:47:10,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i [2023-11-12 00:47:14,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:47:16,683 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:47:16,684 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i [2023-11-12 00:47:16,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/data/94f92efde/f2ae700bf44f41c593e8cf664c7c098c/FLAG742ddb151 [2023-11-12 00:47:16,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c862be92-7caa-42e4-a9de-6646bfb45271/bin/utaipan-verify-NcY6lQBIFX/data/94f92efde/f2ae700bf44f41c593e8cf664c7c098c [2023-11-12 00:47:17,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:47:17,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:47:17,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:17,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:47:17,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:47:17,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:16" (1/1) ... [2023-11-12 00:47:17,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c146b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:17, skipping insertion in model container [2023-11-12 00:47:17,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:16" (1/1) ... [2023-11-12 00:47:17,809 INFO L177 MainTranslator]: Built tables and reachable declarations