./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cut_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cut_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ --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 fba82fd132cdae8c64994a7c54b94e30e03a9f6ca87bfb56b5e0f118b2338603 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:57:09,687 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:57:09,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 04:57:09,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:57:09,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:57:09,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:57:09,856 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:57:09,857 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:57:09,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:57:09,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:57:09,864 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:57:09,866 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:57:09,866 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:57:09,868 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:57:09,869 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:57:09,869 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:57:09,870 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:57:09,870 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:57:09,871 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:57:09,871 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:57:09,872 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:57:09,873 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:57:09,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:57:09,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:57:09,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:57:09,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:57:09,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:57:09,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:57:09,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:57:09,878 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:57:09,880 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:57:09,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:57:09,880 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:57:09,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:57:09,881 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:57:09,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:57:09,894 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:57:09,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:57:09,895 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:57:09,895 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:57:09,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:57:09,896 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:57:09,896 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:57:09,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:57:09,897 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_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fba82fd132cdae8c64994a7c54b94e30e03a9f6ca87bfb56b5e0f118b2338603 [2023-11-19 04:57:10,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:57:10,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:57:10,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:57:10,338 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:57:10,339 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:57:10,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cut_comb.i [2023-11-19 04:57:13,386 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:57:15,314 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:57:15,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cut_comb.i [2023-11-19 04:57:15,506 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/data/fab2ddd20/330394a4f2af4783ba015e88097b2acf/FLAG709790d1e [2023-11-19 04:57:15,528 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/data/fab2ddd20/330394a4f2af4783ba015e88097b2acf [2023-11-19 04:57:15,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:57:15,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:57:15,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:57:15,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:57:15,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:57:15,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:57:15" (1/1) ... [2023-11-19 04:57:15,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59261787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:15, skipping insertion in model container [2023-11-19 04:57:15,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:57:15" (1/1) ... [2023-11-19 04:57:16,235 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:57:48,855 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-19 04:57:48,860 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-19 04:57:48,861 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-19 04:57:48,862 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-19 04:57:48,863 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-19 04:57:48,864 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-19 04:57:48,878 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-19 04:57:48,881 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-19 04:57:48,882 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-19 04:57:48,949 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-19 04:57:49,175 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-19 04:57:50,136 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-19 04:57:50,695 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. [2023-11-19 04:57:50,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@750e6c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:50, skipping insertion in model container [2023-11-19 04:57:50,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:57:50,697 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:57:50,700 INFO L158 Benchmark]: Toolchain (without parser) took 35161.89ms. Allocated memory was 161.5MB in the beginning and 331.4MB in the end (delta: 169.9MB). Free memory was 84.0MB in the beginning and 156.6MB in the end (delta: -72.6MB). Peak memory consumption was 233.8MB. Max. memory is 16.1GB. [2023-11-19 04:57:50,701 INFO L158 Benchmark]: CDTParser took 1.26ms. Allocated memory is still 130.0MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:57:50,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 35154.14ms. Allocated memory was 161.5MB in the beginning and 331.4MB in the end (delta: 169.9MB). Free memory was 83.4MB in the beginning and 156.6MB in the end (delta: -73.2MB). Peak memory consumption was 233.8MB. Max. memory is 16.1GB. [2023-11-19 04:57:50,705 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26ms. Allocated memory is still 130.0MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 35154.14ms. Allocated memory was 161.5MB in the beginning and 331.4MB in the end (delta: 169.9MB). Free memory was 83.4MB in the beginning and 156.6MB in the end (delta: -73.2MB). Peak memory consumption was 233.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36489]: 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_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cut_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ --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 fba82fd132cdae8c64994a7c54b94e30e03a9f6ca87bfb56b5e0f118b2338603 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:57:53,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:57:53,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-19 04:57:53,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:57:53,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:57:53,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:57:53,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:57:53,748 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:57:53,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:57:53,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:57:53,751 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:57:53,751 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:57:53,752 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:57:53,753 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:57:53,753 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:57:53,754 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:57:53,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:57:53,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:57:53,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:57:53,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:57:53,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:57:53,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:57:53,760 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:57:53,760 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:57:53,761 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:57:53,761 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:57:53,762 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:57:53,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:57:53,763 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:57:53,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:57:53,764 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:57:53,764 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:57:53,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:57:53,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:57:53,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:57:53,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:57:53,767 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:57:53,767 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:57:53,767 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:57:53,769 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:57:53,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:57:53,769 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_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fba82fd132cdae8c64994a7c54b94e30e03a9f6ca87bfb56b5e0f118b2338603 [2023-11-19 04:57:54,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:57:54,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:57:54,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:57:54,357 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:57:54,358 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:57:54,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cut_comb.i [2023-11-19 04:57:57,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:58:00,000 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:58:00,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cut_comb.i [2023-11-19 04:58:00,295 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/data/b6ee6bee0/35d5e3f4727c4957bac0f5462d58857b/FLAGe445dfead [2023-11-19 04:58:00,319 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b4cad-8aa3-4081-b7d6-05249f61619d/bin/utaipan-verify-t7M7D8N6sZ/data/b6ee6bee0/35d5e3f4727c4957bac0f5462d58857b [2023-11-19 04:58:00,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:58:00,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:58:00,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:00,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:58:00,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:58:00,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:00" (1/1) ... [2023-11-19 04:58:00,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23df17e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:00, skipping insertion in model container [2023-11-19 04:58:00,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:00" (1/1) ... [2023-11-19 04:58:01,054 INFO L177 MainTranslator]: Built tables and reachable declarations