./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_mv_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_mv_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1721ff86364b888e9a887851917d8c9baafe52b51a2672b0384394569f556411 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:01:12,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:01:12,853 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-25 00:01:12,863 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:01:12,864 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:01:12,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:01:12,893 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:01:12,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:01:12,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:01:12,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:01:12,896 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:01:12,897 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:01:12,897 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:01:12,898 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:01:12,899 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:01:12,899 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:01:12,901 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:01:12,905 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:01:12,906 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:01:12,906 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:01:12,908 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:01:12,909 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:01:12,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:01:12,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:01:12,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:01:12,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:01:12,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:01:12,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:01:12,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:01:12,914 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-25 00:01:12,915 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:01:12,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:01:12,916 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:01:12,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:01:12,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:01:12,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:01:12,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:12,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:01:12,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:01:12,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:01:12,918 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:01:12,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:01:12,918 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:01:12,919 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:01:12,919 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:01:12,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:01:12,920 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_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1721ff86364b888e9a887851917d8c9baafe52b51a2672b0384394569f556411 [2023-11-25 00:01:13,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:01:13,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:01:13,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:01:13,218 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:01:13,219 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:01:13,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_mv_comb.i [2023-11-25 00:01:16,302 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:01:18,607 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:01:18,608 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/sv-benchmarks/c/goblint-coreutils/instrumented_interval_mv_comb.i [2023-11-25 00:01:18,824 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/data/e03de1128/c728606ba7e3476b89f9b026ae05347f/FLAG158a71ad6 [2023-11-25 00:01:18,842 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/data/e03de1128/c728606ba7e3476b89f9b026ae05347f [2023-11-25 00:01:18,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:01:18,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:01:18,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:18,848 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:01:18,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:01:18,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:18" (1/1) ... [2023-11-25 00:01:18,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@603d7e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:18, skipping insertion in model container [2023-11-25 00:01:18,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:18" (1/1) ... [2023-11-25 00:01:19,593 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:01:54,862 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-25 00:01:54,868 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-25 00:01:54,869 WARN L638 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-25 00:01:54,871 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-25 00:01:54,882 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-25 00:01:54,883 WARN L638 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-25 00:01:54,885 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-25 00:01:54,889 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-25 00:01:54,893 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-25 00:01:54,977 WARN L638 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-25 00:01:55,149 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-25 00:01:55,859 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-25 00:01:56,177 ERROR L324 MainTranslator]: Unsupported Syntax: The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. [2023-11-25 00:01:56,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3273e1e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:56, skipping insertion in model container [2023-11-25 00:01:56,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:56,179 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-25 00:01:56,181 INFO L158 Benchmark]: Toolchain (without parser) took 37333.74ms. Allocated memory was 299.9MB in the beginning and 444.6MB in the end (delta: 144.7MB). Free memory was 195.3MB in the beginning and 150.9MB in the end (delta: 44.5MB). Peak memory consumption was 271.6MB. Max. memory is 16.1GB. [2023-11-25 00:01:56,182 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory was 83.7MB in the beginning and 83.6MB in the end (delta: 75.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:01:56,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 37331.14ms. Allocated memory was 299.9MB in the beginning and 444.6MB in the end (delta: 144.7MB). Free memory was 195.3MB in the beginning and 150.9MB in the end (delta: 44.5MB). Peak memory consumption was 271.6MB. Max. memory is 16.1GB. [2023-11-25 00:01:56,186 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory was 83.7MB in the beginning and 83.6MB in the end (delta: 75.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 37331.14ms. Allocated memory was 299.9MB in the beginning and 444.6MB in the end (delta: 144.7MB). Free memory was 195.3MB in the beginning and 150.9MB in the end (delta: 44.5MB). Peak memory consumption was 271.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36866]: 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_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_mv_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1721ff86364b888e9a887851917d8c9baafe52b51a2672b0384394569f556411 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:01:58,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:01:58,697 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-25 00:01:58,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:01:58,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:01:58,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:01:58,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:01:58,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:01:58,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:01:58,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:01:58,762 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:01:58,762 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:01:58,763 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:01:58,765 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:01:58,765 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:01:58,766 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:01:58,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:01:58,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:01:58,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:01:58,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:01:58,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:01:58,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:01:58,770 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:01:58,770 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:01:58,771 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-25 00:01:58,771 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:01:58,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:01:58,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:01:58,773 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:01:58,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:01:58,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:01:58,775 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:01:58,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:01:58,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:58,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:01:58,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:01:58,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:01:58,777 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:01:58,777 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:01:58,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:01:58,778 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:01:58,779 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:01:58,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:01:58,779 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_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1721ff86364b888e9a887851917d8c9baafe52b51a2672b0384394569f556411 [2023-11-25 00:01:59,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:01:59,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:01:59,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:01:59,258 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:01:59,261 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:01:59,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_mv_comb.i [2023-11-25 00:02:02,422 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:02:04,996 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:02:04,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/sv-benchmarks/c/goblint-coreutils/instrumented_interval_mv_comb.i [2023-11-25 00:02:05,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/data/47a71cd50/b5f698e1ef4746a09be7a4bfca026e59/FLAG5af69aeac [2023-11-25 00:02:05,509 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54e7662-6cd9-4c07-922c-e4a4de51f4c7/bin/utaipan-verify-SwPr7d2a91/data/47a71cd50/b5f698e1ef4746a09be7a4bfca026e59 [2023-11-25 00:02:05,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:02:05,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:02:05,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:05,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:02:05,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:02:05,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:05" (1/1) ... [2023-11-25 00:02:05,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a8ee061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:05, skipping insertion in model container [2023-11-25 00:02:05,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:05" (1/1) ... [2023-11-25 00:02:06,198 INFO L177 MainTranslator]: Built tables and reachable declarations