./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 43a21227e28ea1d3dea5c269e9a8aec5d2ff980f267bc89951928cd0fc79730a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:39:36,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:39:36,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:39:36,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:39:36,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:39:36,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:39:36,631 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:39:36,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:39:36,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:39:36,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:39:36,634 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:39:36,635 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:39:36,636 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:39:36,636 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:39:36,637 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:39:36,638 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:39:36,639 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:39:36,639 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:39:36,640 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:39:36,641 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:39:36,641 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:39:36,642 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:39:36,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:39:36,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:39:36,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:39:36,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:39:36,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:39:36,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:39:36,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:39:36,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:39:36,671 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:39:36,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:39:36,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:39:36,673 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:39:36,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:39:36,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:39:36,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:39:36,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:39:36,675 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:39:36,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:39:36,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:39:36,676 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:39:36,677 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:39:36,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:39:36,678 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_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43a21227e28ea1d3dea5c269e9a8aec5d2ff980f267bc89951928cd0fc79730a [2023-11-23 20:39:37,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:39:37,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:39:37,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:39:37,073 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:39:37,074 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:39:37,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i [2023-11-23 20:39:40,358 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:39:42,218 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:39:42,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i [2023-11-23 20:39:42,423 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/data/2424a42ba/9dfa42b97cc04fd1b05da0a037bb9ce0/FLAGbfef51533 [2023-11-23 20:39:42,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/data/2424a42ba/9dfa42b97cc04fd1b05da0a037bb9ce0 [2023-11-23 20:39:42,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:39:42,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:39:42,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:39:42,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:39:42,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:39:42,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:39:42" (1/1) ... [2023-11-23 20:39:42,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@167543d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:42, skipping insertion in model container [2023-11-23 20:39:42,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:39:42" (1/1) ... [2023-11-23 20:39:43,208 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:40:09,341 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-23 20:40:09,346 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-23 20:40:09,347 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-23 20:40:09,348 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-23 20:40:09,358 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-23 20:40:09,359 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-23 20:40:09,361 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-23 20:40:09,363 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-23 20:40:09,365 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-23 20:40:09,440 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-23 20:40:09,451 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[493411,493424] [2023-11-23 20:40:09,457 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[494037,494050] [2023-11-23 20:40:09,458 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[494094,494107] [2023-11-23 20:40:09,458 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[494170,494183] [2023-11-23 20:40:09,598 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-23 20:40:09,625 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[560755,560768] [2023-11-23 20:40:09,627 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[560856,560869] [2023-11-23 20:40:09,628 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[561021,561034] [2023-11-23 20:40:09,629 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[561259,561272] [2023-11-23 20:40:09,630 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[561536,561549] [2023-11-23 20:40:09,635 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[563484,563497] [2023-11-23 20:40:09,636 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[563751,563764] [2023-11-23 20:40:09,638 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[564187,564200] [2023-11-23 20:40:09,639 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[564299,564312] [2023-11-23 20:40:09,640 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[564469,564482] [2023-11-23 20:40:09,640 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[564564,564577] [2023-11-23 20:40:09,641 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[564772,564785] [2023-11-23 20:40:10,396 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[773134,773147] [2023-11-23 20:40:10,397 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[773659,773672] [2023-11-23 20:40:10,452 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-23 20:40:10,490 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[838192,838205] [2023-11-23 20:40:10,491 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[838282,838295] [2023-11-23 20:40:10,762 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i[1057904,1057917] [2023-11-23 20:40:10,784 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. [2023-11-23 20:40:10,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@529b2bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:10, skipping insertion in model container [2023-11-23 20:40:10,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:40:10,786 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 20:40:10,790 INFO L158 Benchmark]: Toolchain (without parser) took 28340.65ms. Allocated memory was 199.2MB in the beginning and 325.1MB in the end (delta: 125.8MB). Free memory was 113.3MB in the beginning and 123.8MB in the end (delta: -10.5MB). Peak memory consumption was 213.8MB. Max. memory is 16.1GB. [2023-11-23 20:40:10,791 INFO L158 Benchmark]: CDTParser took 1.32ms. Allocated memory is still 130.0MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:40:10,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 28336.16ms. Allocated memory was 199.2MB in the beginning and 325.1MB in the end (delta: 125.8MB). Free memory was 113.3MB in the beginning and 123.8MB in the end (delta: -10.5MB). Peak memory consumption was 213.8MB. Max. memory is 16.1GB. [2023-11-23 20:40:10,795 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32ms. Allocated memory is still 130.0MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 28336.16ms. Allocated memory was 199.2MB in the beginning and 325.1MB in the end (delta: 125.8MB). Free memory was 113.3MB in the beginning and 123.8MB in the end (delta: -10.5MB). Peak memory consumption was 213.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 35904]: 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_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 43a21227e28ea1d3dea5c269e9a8aec5d2ff980f267bc89951928cd0fc79730a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:40:13,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:40:13,414 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-23 20:40:13,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:40:13,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:40:13,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:40:13,471 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:40:13,472 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:40:13,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:40:13,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:40:13,480 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:40:13,481 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:40:13,481 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:40:13,483 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:40:13,484 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:40:13,484 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:40:13,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:40:13,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:40:13,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:40:13,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:40:13,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:40:13,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:40:13,489 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:40:13,490 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:40:13,490 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:40:13,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:40:13,491 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:40:13,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:40:13,492 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:40:13,492 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:40:13,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:40:13,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:40:13,494 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:40:13,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:40:13,495 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:40:13,495 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:40:13,496 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:40:13,496 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:40:13,496 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:40:13,497 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:40:13,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:40:13,498 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_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43a21227e28ea1d3dea5c269e9a8aec5d2ff980f267bc89951928cd0fc79730a [2023-11-23 20:40:13,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:40:13,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:40:13,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:40:13,904 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:40:13,904 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:40:13,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i [2023-11-23 20:40:17,070 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:40:18,923 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:40:18,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i [2023-11-23 20:40:19,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/data/6d4c7fd7f/434cc6b49c094b6980bd58e00e9bc3f1/FLAGf231f84ee [2023-11-23 20:40:19,120 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d03fe41-a12a-48a4-9c03-711655ae9c11/bin/utaipan-verify-mE87zJ7Ire/data/6d4c7fd7f/434cc6b49c094b6980bd58e00e9bc3f1 [2023-11-23 20:40:19,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:40:19,130 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:40:19,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:40:19,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:40:19,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:40:19,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:40:19" (1/1) ... [2023-11-23 20:40:19,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201c45e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:19, skipping insertion in model container [2023-11-23 20:40:19,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:40:19" (1/1) ... [2023-11-23 20:40:19,851 INFO L177 MainTranslator]: Built tables and reachable declarations