./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 0e0057cc 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_09784e5e-7a05-4c19-9ce2-efb53986c16a/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09784e5e-7a05-4c19-9ce2-efb53986c16a/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_09784e5e-7a05-4c19-9ce2-efb53986c16a/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09784e5e-7a05-4c19-9ce2-efb53986c16a/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09784e5e-7a05-4c19-9ce2-efb53986c16a/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_09784e5e-7a05-4c19-9ce2-efb53986c16a/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 2615050d3e15454a7c4ac27f40f296bb7a011298e24dedaf2a982d9365404e2e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:10:27,463 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:10:27,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09784e5e-7a05-4c19-9ce2-efb53986c16a/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-25 00:10:27,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:10:27,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:10:27,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:10:27,652 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:10:27,652 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:10:27,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:10:27,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:10:27,660 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:10:27,661 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:10:27,662 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:10:27,664 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:10:27,665 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:10:27,665 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:10:27,665 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:10:27,666 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:10:27,667 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:10:27,667 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:10:27,668 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:10:27,668 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:10:27,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:10:27,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:10:27,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:10:27,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:10:27,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:10:27,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:10:27,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:10:27,673 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-25 00:10:27,675 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:10:27,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:10:27,676 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:10:27,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:10:27,676 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:10:27,677 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:10:27,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:27,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:10:27,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:10:27,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:10:27,678 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:10:27,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:10:27,679 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:10:27,679 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:10:27,680 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:10:27,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:10:27,681 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_09784e5e-7a05-4c19-9ce2-efb53986c16a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09784e5e-7a05-4c19-9ce2-efb53986c16a/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2615050d3e15454a7c4ac27f40f296bb7a011298e24dedaf2a982d9365404e2e [2023-11-25 00:10:28,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:10:28,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:10:28,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:10:28,119 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:10:28,121 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:10:28,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09784e5e-7a05-4c19-9ce2-efb53986c16a/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i [2023-11-25 00:10:31,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:10:34,082 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:10:34,083 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09784e5e-7a05-4c19-9ce2-efb53986c16a/sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i [2023-11-25 00:10:34,291 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09784e5e-7a05-4c19-9ce2-efb53986c16a/bin/utaipan-verify-SwPr7d2a91/data/a8d7f0084/cf206f06b3304eeb973fe2c8a9897c7f/FLAG4a4d51b32 [2023-11-25 00:10:34,308 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09784e5e-7a05-4c19-9ce2-efb53986c16a/bin/utaipan-verify-SwPr7d2a91/data/a8d7f0084/cf206f06b3304eeb973fe2c8a9897c7f [2023-11-25 00:10:34,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:10:34,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:10:34,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:34,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:10:34,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:10:34,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:34" (1/1) ... [2023-11-25 00:10:34,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@568a7f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:34, skipping insertion in model container [2023-11-25 00:10:34,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:34" (1/1) ... [2023-11-25 00:10:35,009 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:11:07,824 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-25 00:11:07,825 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-25 00:11:07,826 WARN L638 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-25 00:11:07,828 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-25 00:11:07,830 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-25 00:11:07,831 WARN L638 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-25 00:11:07,833 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-25 00:11:07,835 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-25 00:11:07,836 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-25 00:11:07,938 WARN L638 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-25 00:11:08,114 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-25 00:11:08,801 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-25 00:11:09,343 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 00:11:09,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5fc80523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:09, skipping insertion in model container [2023-11-25 00:11:09,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:11:09,345 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-25 00:11:09,348 INFO L158 Benchmark]: Toolchain (without parser) took 35031.04ms. Allocated memory was 192.9MB in the beginning and 369.1MB in the end (delta: 176.2MB). Free memory was 97.1MB in the beginning and 178.2MB in the end (delta: -81.1MB). Peak memory consumption was 256.2MB. Max. memory is 16.1GB. [2023-11-25 00:11:09,349 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 192.9MB. Free memory is still 168.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:11:09,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 35026.90ms. Allocated memory was 192.9MB in the beginning and 369.1MB in the end (delta: 176.2MB). Free memory was 97.1MB in the beginning and 178.2MB in the end (delta: -81.1MB). Peak memory consumption was 256.2MB. Max. memory is 16.1GB. [2023-11-25 00:11:09,353 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 192.9MB. Free memory is still 168.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 35026.90ms. Allocated memory was 192.9MB in the beginning and 369.1MB in the end (delta: 176.2MB). Free memory was 97.1MB in the beginning and 178.2MB in the end (delta: -81.1MB). Peak memory consumption was 256.2MB. 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_09784e5e-7a05-4c19-9ce2-efb53986c16a/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09784e5e-7a05-4c19-9ce2-efb53986c16a/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_09784e5e-7a05-4c19-9ce2-efb53986c16a/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09784e5e-7a05-4c19-9ce2-efb53986c16a/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09784e5e-7a05-4c19-9ce2-efb53986c16a/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_09784e5e-7a05-4c19-9ce2-efb53986c16a/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 2615050d3e15454a7c4ac27f40f296bb7a011298e24dedaf2a982d9365404e2e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:11:12,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:11:12,375 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09784e5e-7a05-4c19-9ce2-efb53986c16a/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-25 00:11:12,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:11:12,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:11:12,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:11:12,453 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:11:12,453 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:11:12,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:11:12,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:11:12,462 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:11:12,463 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:11:12,463 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:11:12,465 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:11:12,466 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:11:12,467 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:11:12,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:11:12,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:11:12,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:11:12,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:11:12,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:11:12,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:11:12,473 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:11:12,473 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:11:12,474 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-25 00:11:12,474 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:11:12,475 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:11:12,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:11:12,476 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:11:12,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:11:12,478 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:11:12,478 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:11:12,479 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:11:12,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:11:12,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:11:12,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:11:12,480 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:11:12,481 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:11:12,481 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:11:12,482 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:11:12,483 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:11:12,483 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:11:12,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:11:12,484 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_09784e5e-7a05-4c19-9ce2-efb53986c16a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09784e5e-7a05-4c19-9ce2-efb53986c16a/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2615050d3e15454a7c4ac27f40f296bb7a011298e24dedaf2a982d9365404e2e [2023-11-25 00:11:13,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:11:13,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:11:13,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:11:13,062 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:11:13,063 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:11:13,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09784e5e-7a05-4c19-9ce2-efb53986c16a/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i [2023-11-25 00:11:16,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:11:19,247 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:11:19,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09784e5e-7a05-4c19-9ce2-efb53986c16a/sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i [2023-11-25 00:11:19,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09784e5e-7a05-4c19-9ce2-efb53986c16a/bin/utaipan-verify-SwPr7d2a91/data/a50c8d7cd/9c845f6cc14c450fa9b04146e76d7b19/FLAG2daa98805 [2023-11-25 00:11:19,708 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09784e5e-7a05-4c19-9ce2-efb53986c16a/bin/utaipan-verify-SwPr7d2a91/data/a50c8d7cd/9c845f6cc14c450fa9b04146e76d7b19 [2023-11-25 00:11:19,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:11:19,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:11:19,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:11:19,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:11:19,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:11:19,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:11:19" (1/1) ... [2023-11-25 00:11:19,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b7e754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:19, skipping insertion in model container [2023-11-25 00:11:19,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:11:19" (1/1) ... [2023-11-25 00:11:20,425 INFO L177 MainTranslator]: Built tables and reachable declarations