./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_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_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/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_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/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_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/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 0f7be000be519abe1ca18329c9838ba75d5c3631e353184761c039203f134940 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:42:42,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:42:42,278 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-12 00:42:42,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:42:42,285 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:42:42,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:42:42,314 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:42:42,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:42:42,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:42:42,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:42:42,317 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:42:42,317 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:42:42,318 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:42:42,319 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:42:42,319 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:42:42,320 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:42:42,321 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:42:42,321 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:42:42,322 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:42:42,323 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:42:42,323 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:42:42,324 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:42:42,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:42:42,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:42:42,326 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:42:42,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:42:42,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:42:42,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:42:42,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:42:42,328 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:42:42,329 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:42:42,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:42:42,330 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:42:42,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:42:42,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:42:42,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:42:42,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:42:42,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:42:42,333 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:42:42,333 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:42:42,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:42:42,334 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:42:42,335 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:42:42,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:42:42,336 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_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f7be000be519abe1ca18329c9838ba75d5c3631e353184761c039203f134940 [2023-11-12 00:42:42,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:42:42,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:42:42,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:42:42,707 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:42:42,707 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:42:42,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i [2023-11-12 00:42:45,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:42:47,703 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:42:47,703 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i [2023-11-12 00:42:47,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/bin/utaipan-verify-NcY6lQBIFX/data/7a63a20da/55455492a9ee491fbcfa1e3fbbcc0eb0/FLAG1629c1989 [2023-11-12 00:42:47,974 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/bin/utaipan-verify-NcY6lQBIFX/data/7a63a20da/55455492a9ee491fbcfa1e3fbbcc0eb0 [2023-11-12 00:42:47,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:42:47,985 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:42:47,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:42:47,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:42:47,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:42:47,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:42:47" (1/1) ... [2023-11-12 00:42:47,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7e463b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:47, skipping insertion in model container [2023-11-12 00:42:47,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:42:47" (1/1) ... [2023-11-12 00:42:48,664 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:43:16,700 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-12 00:43:16,702 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-12 00:43:16,703 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-12 00:43:16,704 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-12 00:43:16,715 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-12 00:43:16,717 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-12 00:43:16,719 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-12 00:43:16,723 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-12 00:43:16,725 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-12 00:43:16,794 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-12 00:43:16,953 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-12 00:43:17,729 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-12 00:43:17,950 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 00:43:17,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d9b55e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:17, skipping insertion in model container [2023-11-12 00:43:17,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:17,952 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 00:43:17,971 INFO L158 Benchmark]: Toolchain (without parser) took 29984.93ms. Allocated memory was 146.8MB in the beginning and 327.2MB in the end (delta: 180.4MB). Free memory was 69.7MB in the beginning and 245.7MB in the end (delta: -176.0MB). Peak memory consumption was 205.6MB. Max. memory is 16.1GB. [2023-11-12 00:43:17,972 INFO L158 Benchmark]: CDTParser took 1.30ms. Allocated memory is still 146.8MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:43:17,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 29962.98ms. Allocated memory was 146.8MB in the beginning and 327.2MB in the end (delta: 180.4MB). Free memory was 69.2MB in the beginning and 72.6MB in the end (delta: -3.4MB). Peak memory consumption was 203.5MB. Max. memory is 16.1GB. [2023-11-12 00:43:17,975 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.30ms. Allocated memory is still 146.8MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 29962.98ms. Allocated memory was 146.8MB in the beginning and 327.2MB in the end (delta: 180.4MB). Free memory was 69.2MB in the beginning and 72.6MB in the end (delta: -3.4MB). Peak memory consumption was 203.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 35901]: 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_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/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_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/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_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/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 0f7be000be519abe1ca18329c9838ba75d5c3631e353184761c039203f134940 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:43:20,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:43:20,483 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-12 00:43:20,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:43:20,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:43:20,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:43:20,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:43:20,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:43:20,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:43:20,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:43:20,545 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:43:20,546 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:43:20,546 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:43:20,548 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:43:20,548 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:43:20,549 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:43:20,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:43:20,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:43:20,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:43:20,552 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:43:20,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:43:20,553 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:43:20,553 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:43:20,554 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:43:20,554 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:43:20,555 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:43:20,555 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:43:20,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:43:20,556 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:43:20,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:43:20,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:43:20,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:43:20,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:20,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:43:20,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:43:20,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:43:20,559 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:43:20,560 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:43:20,560 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:43:20,561 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:43:20,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:43:20,562 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_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f7be000be519abe1ca18329c9838ba75d5c3631e353184761c039203f134940 [2023-11-12 00:43:20,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:43:21,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:43:21,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:43:21,029 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:43:21,029 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:43:21,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i [2023-11-12 00:43:24,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:43:26,350 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:43:26,351 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i [2023-11-12 00:43:26,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/bin/utaipan-verify-NcY6lQBIFX/data/d758a0034/80f608ea7c8d42159bafb6c40ed688bd/FLAGdc5e5e830 [2023-11-12 00:43:26,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2cabe91-affc-455b-a6b0-5eb6f8c4cdfd/bin/utaipan-verify-NcY6lQBIFX/data/d758a0034/80f608ea7c8d42159bafb6c40ed688bd [2023-11-12 00:43:26,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:43:26,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:43:26,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:26,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:43:26,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:43:26,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:26" (1/1) ... [2023-11-12 00:43:26,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5daefe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:26, skipping insertion in model container [2023-11-12 00:43:26,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:26" (1/1) ... [2023-11-12 00:43:27,377 INFO L177 MainTranslator]: Built tables and reachable declarations