./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/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_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire --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 bfdd6019a4e89cd3303529c7187ccc3acaa175f375438ad557d7a177734e9618 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:22,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:22,817 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-23 21:10:22,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:22,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:22,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:22,869 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:22,870 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:22,871 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:22,871 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:22,872 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:22,873 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:22,873 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:22,874 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:10:22,874 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:22,875 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:22,879 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:10:22,880 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:10:22,880 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:22,881 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:10:22,881 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:10:22,882 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:10:22,884 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:22,884 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:22,884 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:10:22,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:22,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:22,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:22,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:22,887 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:10:22,887 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:10:22,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:22,888 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:22,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:22,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:10:22,889 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:22,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:22,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:22,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:22,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:22,891 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:10:22,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:10:22,892 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:22,892 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:22,892 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:22,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:22,892 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_45fa1913-6f14-4c9a-a446-91907e166ea7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfdd6019a4e89cd3303529c7187ccc3acaa175f375438ad557d7a177734e9618 [2023-11-23 21:10:23,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:23,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:23,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:23,217 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:23,218 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:23,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i [2023-11-23 21:10:26,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:28,652 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:28,653 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i [2023-11-23 21:10:28,910 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire/data/20ea93900/73a5ebaa0cc34a558fd33e76b3fa9f56/FLAGb1c48e0a7 [2023-11-23 21:10:28,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire/data/20ea93900/73a5ebaa0cc34a558fd33e76b3fa9f56 [2023-11-23 21:10:28,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:28,944 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:28,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:28,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:28,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:28,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:28" (1/1) ... [2023-11-23 21:10:28,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a62dccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:28, skipping insertion in model container [2023-11-23 21:10:28,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:28" (1/1) ... [2023-11-23 21:10:29,601 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:56,709 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-23 21:10:56,711 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-23 21:10:56,712 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-23 21:10:56,713 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-23 21:10:56,715 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-23 21:10:56,716 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-23 21:10:56,717 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-23 21:10:56,719 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-23 21:10:56,720 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-23 21:10:56,765 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-23 21:10:56,903 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-23 21:10:57,665 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-23 21:10:58,141 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 21:10:58,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b3309dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:58, skipping insertion in model container [2023-11-23 21:10:58,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:58,143 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 21:10:58,146 INFO L158 Benchmark]: Toolchain (without parser) took 29200.95ms. Allocated memory was 211.8MB in the beginning and 356.5MB in the end (delta: 144.7MB). Free memory was 119.8MB in the beginning and 176.5MB in the end (delta: -56.7MB). Peak memory consumption was 204.4MB. Max. memory is 16.1GB. [2023-11-23 21:10:58,146 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:10:58,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 29197.78ms. Allocated memory was 211.8MB in the beginning and 356.5MB in the end (delta: 144.7MB). Free memory was 119.8MB in the beginning and 176.5MB in the end (delta: -56.7MB). Peak memory consumption was 204.4MB. Max. memory is 16.1GB. [2023-11-23 21:10:58,149 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 29197.78ms. Allocated memory was 211.8MB in the beginning and 356.5MB in the end (delta: 144.7MB). Free memory was 119.8MB in the beginning and 176.5MB in the end (delta: -56.7MB). Peak memory consumption was 204.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36290]: 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_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/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_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire --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 bfdd6019a4e89cd3303529c7187ccc3acaa175f375438ad557d7a177734e9618 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:00,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:00,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-23 21:11:00,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:00,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:00,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:00,866 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:00,867 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:00,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:00,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:00,874 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:00,874 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:00,875 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:00,877 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:00,877 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:00,877 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:00,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:00,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:00,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:00,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:00,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:00,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:00,883 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:11:00,883 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:11:00,883 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:11:00,884 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:11:00,884 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:11:00,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:00,885 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:00,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:00,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:11:00,887 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:00,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:00,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:00,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:00,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:00,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:00,889 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:11:00,889 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:11:00,890 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:00,890 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:00,891 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:00,891 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:00,891 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_45fa1913-6f14-4c9a-a446-91907e166ea7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfdd6019a4e89cd3303529c7187ccc3acaa175f375438ad557d7a177734e9618 [2023-11-23 21:11:01,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:01,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:01,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:01,348 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:01,348 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:01,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i [2023-11-23 21:11:04,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:06,653 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:06,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i [2023-11-23 21:11:06,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire/data/b0053c228/b1eacd8b268b4a75b1771b052a1fcbee/FLAG5b277041e [2023-11-23 21:11:06,859 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fa1913-6f14-4c9a-a446-91907e166ea7/bin/utaipan-verify-mE87zJ7Ire/data/b0053c228/b1eacd8b268b4a75b1771b052a1fcbee [2023-11-23 21:11:06,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:06,866 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:06,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:06,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:06,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:06,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:06" (1/1) ... [2023-11-23 21:11:06,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369725b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:06, skipping insertion in model container [2023-11-23 21:11:06,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:06" (1/1) ... [2023-11-23 21:11:07,666 INFO L177 MainTranslator]: Built tables and reachable declarations