./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/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_547b186a-afaa-4512-8603-c6ae91584aaf/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/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_547b186a-afaa-4512-8603-c6ae91584aaf/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 c92169288ba10e606aecd7ff04f59d0eb48b56f4c981fd9086bac53fae53e7ad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:14:56,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:14:56,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-12 00:14:56,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:14:56,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:14:56,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:14:56,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:14:56,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:14:56,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:14:56,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:14:56,448 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:14:56,449 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:14:56,450 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:14:56,450 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:14:56,451 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:14:56,451 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:14:56,452 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:14:56,453 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:14:56,453 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:14:56,454 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:14:56,455 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:14:56,456 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:14:56,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:14:56,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:14:56,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:14:56,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:14:56,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:14:56,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:14:56,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:14:56,460 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:14:56,461 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:14:56,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:14:56,462 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:14:56,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:14:56,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:14:56,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:56,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:14:56,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:14:56,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:14:56,464 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:14:56,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:14:56,465 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:14:56,465 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:14:56,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:14:56,466 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_547b186a-afaa-4512-8603-c6ae91584aaf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c92169288ba10e606aecd7ff04f59d0eb48b56f4c981fd9086bac53fae53e7ad [2023-11-12 00:14:56,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:14:56,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:14:56,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:14:56,769 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:14:56,770 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:14:56,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i [2023-11-12 00:14:59,830 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:15:01,970 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:15:01,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i [2023-11-12 00:15:02,260 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/bin/utaipan-verify-NcY6lQBIFX/data/1b05d3247/629480abdd214c90be13f2964b2bf654/FLAG982f4eee8 [2023-11-12 00:15:02,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/bin/utaipan-verify-NcY6lQBIFX/data/1b05d3247/629480abdd214c90be13f2964b2bf654 [2023-11-12 00:15:02,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:15:02,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:15:02,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:15:02,287 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:15:02,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:15:02,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:15:02" (1/1) ... [2023-11-12 00:15:02,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38cbf081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:02, skipping insertion in model container [2023-11-12 00:15:02,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:15:02" (1/1) ... [2023-11-12 00:15:02,870 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:15:29,516 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-12 00:15:29,518 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-12 00:15:29,519 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-12 00:15:29,520 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-12 00:15:29,522 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-12 00:15:29,524 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-12 00:15:29,525 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-12 00:15:29,527 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-12 00:15:29,528 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-12 00:15:29,575 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-12 00:15:29,756 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-12 00:15:30,560 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-12 00:15:30,872 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 00:15:30,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b17bed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:30, skipping insertion in model container [2023-11-12 00:15:30,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:15:30,874 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 00:15:30,876 INFO L158 Benchmark]: Toolchain (without parser) took 28590.28ms. Allocated memory was 176.2MB in the beginning and 327.2MB in the end (delta: 151.0MB). Free memory was 96.2MB in the beginning and 118.1MB in the end (delta: -21.9MB). Peak memory consumption was 228.2MB. Max. memory is 16.1GB. [2023-11-12 00:15:30,877 INFO L158 Benchmark]: CDTParser took 1.27ms. Allocated memory is still 121.6MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:15:30,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 28586.98ms. Allocated memory was 176.2MB in the beginning and 327.2MB in the end (delta: 151.0MB). Free memory was 96.2MB in the beginning and 118.1MB in the end (delta: -21.9MB). Peak memory consumption was 228.2MB. Max. memory is 16.1GB. [2023-11-12 00:15:30,879 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27ms. Allocated memory is still 121.6MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 28586.98ms. Allocated memory was 176.2MB in the beginning and 327.2MB in the end (delta: 151.0MB). Free memory was 96.2MB in the beginning and 118.1MB in the end (delta: -21.9MB). Peak memory consumption was 228.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 35941]: 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/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_547b186a-afaa-4512-8603-c6ae91584aaf/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/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_547b186a-afaa-4512-8603-c6ae91584aaf/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 c92169288ba10e606aecd7ff04f59d0eb48b56f4c981fd9086bac53fae53e7ad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:15:33,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:15:33,464 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-12 00:15:33,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:15:33,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:15:33,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:15:33,528 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:15:33,529 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:15:33,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:15:33,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:15:33,536 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:15:33,536 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:15:33,537 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:15:33,539 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:15:33,539 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:15:33,540 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:15:33,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:15:33,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:15:33,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:15:33,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:15:33,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:15:33,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:15:33,545 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:15:33,546 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:15:33,546 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:15:33,547 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:15:33,547 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:15:33,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:15:33,548 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:15:33,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:15:33,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:15:33,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:15:33,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:15:33,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:15:33,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:15:33,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:15:33,553 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:15:33,553 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:15:33,553 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:15:33,554 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:15:33,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:15:33,555 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_547b186a-afaa-4512-8603-c6ae91584aaf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c92169288ba10e606aecd7ff04f59d0eb48b56f4c981fd9086bac53fae53e7ad [2023-11-12 00:15:34,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:15:34,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:15:34,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:15:34,082 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:15:34,083 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:15:34,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i [2023-11-12 00:15:37,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:15:39,294 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:15:39,295 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i [2023-11-12 00:15:39,526 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/bin/utaipan-verify-NcY6lQBIFX/data/b8a27cb27/78e93885ecdc4e0ea85b4fb2a71a00c1/FLAG114b2835c [2023-11-12 00:15:39,573 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547b186a-afaa-4512-8603-c6ae91584aaf/bin/utaipan-verify-NcY6lQBIFX/data/b8a27cb27/78e93885ecdc4e0ea85b4fb2a71a00c1 [2023-11-12 00:15:39,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:15:39,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:15:39,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:15:39,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:15:39,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:15:39,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:15:39" (1/1) ... [2023-11-12 00:15:39,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d659022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:15:39, skipping insertion in model container [2023-11-12 00:15:39,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:15:39" (1/1) ... [2023-11-12 00:15:40,329 INFO L177 MainTranslator]: Built tables and reachable declarations