./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_df_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_df_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91 --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 32c6dd370800ca1893cdc6d4e98da37987d424e4d1b7661d71e1ba91eb2ff544 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:01:24,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:01:24,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-25 00:01:24,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:01:24,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:01:24,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:01:24,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:01:24,406 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:01:24,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:01:24,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:01:24,409 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:01:24,409 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:01:24,410 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:01:24,410 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:01:24,411 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:01:24,411 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:01:24,412 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:01:24,413 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:01:24,413 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:01:24,414 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:01:24,415 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:01:24,421 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:01:24,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:01:24,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:01:24,428 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:01:24,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:01:24,429 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:01:24,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:01:24,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:01:24,430 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-25 00:01:24,430 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:01:24,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:01:24,431 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:01:24,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:01:24,432 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:01:24,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:01:24,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:24,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:01:24,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:01:24,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:01:24,436 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:01:24,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:01:24,437 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:01:24,437 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:01:24,438 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:01:24,438 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:01:24,438 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_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32c6dd370800ca1893cdc6d4e98da37987d424e4d1b7661d71e1ba91eb2ff544 [2023-11-25 00:01:24,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:01:24,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:01:24,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:01:24,732 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:01:24,734 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:01:24,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_df_comb.i [2023-11-25 00:01:27,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:01:30,379 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:01:30,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/sv-benchmarks/c/goblint-coreutils/instrumented_interval_df_comb.i [2023-11-25 00:01:30,589 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/data/7dfa2b1f2/b43db390e84c4c5a99f29429062d536a/FLAG5121a6d04 [2023-11-25 00:01:30,608 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/data/7dfa2b1f2/b43db390e84c4c5a99f29429062d536a [2023-11-25 00:01:30,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:01:30,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:01:30,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:30,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:01:30,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:01:30,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:30" (1/1) ... [2023-11-25 00:01:30,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5511a8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:30, skipping insertion in model container [2023-11-25 00:01:30,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:30" (1/1) ... [2023-11-25 00:01:31,374 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:02:04,490 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-25 00:02:04,495 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-25 00:02:04,497 WARN L638 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-25 00:02:04,507 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-25 00:02:04,509 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-25 00:02:04,510 WARN L638 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-25 00:02:04,511 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-25 00:02:04,513 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-25 00:02:04,515 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-25 00:02:04,584 WARN L638 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-25 00:02:04,723 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-25 00:02:05,464 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-25 00:02:05,972 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. [2023-11-25 00:02:05,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47116de2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:05, skipping insertion in model container [2023-11-25 00:02:05,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:05,974 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-25 00:02:05,976 INFO L158 Benchmark]: Toolchain (without parser) took 35359.92ms. Allocated memory was 182.5MB in the beginning and 352.3MB in the end (delta: 169.9MB). Free memory was 96.8MB in the beginning and 160.5MB in the end (delta: -63.6MB). Peak memory consumption was 207.1MB. Max. memory is 16.1GB. [2023-11-25 00:02:05,977 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:02:05,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 35356.63ms. Allocated memory was 182.5MB in the beginning and 352.3MB in the end (delta: 169.9MB). Free memory was 96.8MB in the beginning and 160.5MB in the end (delta: -63.6MB). Peak memory consumption was 207.1MB. Max. memory is 16.1GB. [2023-11-25 00:02:05,980 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 35356.63ms. Allocated memory was 182.5MB in the beginning and 352.3MB in the end (delta: 169.9MB). Free memory was 96.8MB in the beginning and 160.5MB in the end (delta: -63.6MB). Peak memory consumption was 207.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36786]: 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_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_df_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91 --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 32c6dd370800ca1893cdc6d4e98da37987d424e4d1b7661d71e1ba91eb2ff544 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:02:08,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:02:08,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-25 00:02:08,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:02:08,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:02:08,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:02:08,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:02:08,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:02:08,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:02:08,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:02:08,450 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:02:08,450 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:02:08,451 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:02:08,452 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:02:08,453 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:02:08,453 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:02:08,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:02:08,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:02:08,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:02:08,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:02:08,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:02:08,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:02:08,457 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:02:08,457 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:02:08,458 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-25 00:02:08,458 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:02:08,458 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:02:08,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:02:08,459 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:02:08,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:02:08,461 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:02:08,461 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:02:08,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:02:08,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:08,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:02:08,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:02:08,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:02:08,463 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:02:08,463 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:02:08,464 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:02:08,465 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:02:08,465 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:02:08,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:02:08,465 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_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32c6dd370800ca1893cdc6d4e98da37987d424e4d1b7661d71e1ba91eb2ff544 [2023-11-25 00:02:08,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:02:08,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:02:08,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:02:08,950 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:02:08,951 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:02:08,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_df_comb.i [2023-11-25 00:02:12,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:02:14,505 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:02:14,506 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/sv-benchmarks/c/goblint-coreutils/instrumented_interval_df_comb.i [2023-11-25 00:02:14,828 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/data/c9889b6d0/b6d1009aacc54f7faff191b67b67baa1/FLAG7e693e14f [2023-11-25 00:02:14,851 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf1ac298-c745-4bb5-84f7-bede9e65e401/bin/utaipan-verify-SwPr7d2a91/data/c9889b6d0/b6d1009aacc54f7faff191b67b67baa1 [2023-11-25 00:02:14,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:02:14,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:02:14,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:14,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:02:14,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:02:14,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:14" (1/1) ... [2023-11-25 00:02:14,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c8b87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:14, skipping insertion in model container [2023-11-25 00:02:14,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:14" (1/1) ... [2023-11-25 00:02:15,731 INFO L177 MainTranslator]: Built tables and reachable declarations