./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 0e0057cc 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_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/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_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/bin/utaipan-verify-SwPr7d2a91/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_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/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_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/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 fba82fd132cdae8c64994a7c54b94e30e03a9f6ca87bfb56b5e0f118b2338603 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:15:15,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:15:15,656 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-24 23:15:15,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:15:15,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:15:15,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:15:15,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:15:15,707 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:15:15,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:15:15,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:15:15,713 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:15:15,714 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:15:15,715 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:15:15,716 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:15:15,717 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:15:15,717 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:15:15,718 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:15:15,718 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:15:15,719 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:15:15,719 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:15:15,721 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:15:15,722 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:15:15,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:15:15,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:15:15,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:15:15,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:15:15,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:15:15,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:15:15,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:15:15,726 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:15:15,727 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:15:15,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:15:15,728 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:15:15,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:15:15,729 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:15:15,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:15:15,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:15:15,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:15:15,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:15:15,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:15:15,730 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:15:15,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:15:15,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:15:15,731 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:15:15,732 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:15:15,732 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:15:15,733 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_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fba82fd132cdae8c64994a7c54b94e30e03a9f6ca87bfb56b5e0f118b2338603 [2023-11-24 23:15:15,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:15:16,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:15:16,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:15:16,023 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:15:16,023 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:15:16,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cut_comb.i [2023-11-24 23:15:19,025 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:15:21,152 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:15:21,153 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cut_comb.i [2023-11-24 23:15:21,349 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/bin/utaipan-verify-SwPr7d2a91/data/f1bf7def2/0e6e54ca58a84e619c36ee13d3f82264/FLAG70e2b9711 [2023-11-24 23:15:21,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/bin/utaipan-verify-SwPr7d2a91/data/f1bf7def2/0e6e54ca58a84e619c36ee13d3f82264 [2023-11-24 23:15:21,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:15:21,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:15:21,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:21,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:15:21,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:15:21,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:21" (1/1) ... [2023-11-24 23:15:21,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51469082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:21, skipping insertion in model container [2023-11-24 23:15:21,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:21" (1/1) ... [2023-11-24 23:15:22,149 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:15:52,186 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-24 23:15:52,188 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-24 23:15:52,190 WARN L638 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-24 23:15:52,191 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-24 23:15:52,202 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-24 23:15:52,204 WARN L638 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-24 23:15:52,205 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-24 23:15:52,208 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-24 23:15:52,216 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-24 23:15:52,258 WARN L638 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-24 23:15:52,424 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-24 23:15:53,211 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-24 23:15:53,699 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. [2023-11-24 23:15:53,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33ca25aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:53, skipping insertion in model container [2023-11-24 23:15:53,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:53,701 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-24 23:15:53,703 INFO L158 Benchmark]: Toolchain (without parser) took 32324.70ms. Allocated memory was 161.5MB in the beginning and 320.9MB in the end (delta: 159.4MB). Free memory was 74.0MB in the beginning and 169.5MB in the end (delta: -95.5MB). Peak memory consumption was 237.2MB. Max. memory is 16.1GB. [2023-11-24 23:15:53,704 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:15:53,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 32321.88ms. Allocated memory was 161.5MB in the beginning and 320.9MB in the end (delta: 159.4MB). Free memory was 74.0MB in the beginning and 169.5MB in the end (delta: -95.5MB). Peak memory consumption was 237.2MB. Max. memory is 16.1GB. [2023-11-24 23:15:53,707 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 32321.88ms. Allocated memory was 161.5MB in the beginning and 320.9MB in the end (delta: 159.4MB). Free memory was 74.0MB in the beginning and 169.5MB in the end (delta: -95.5MB). Peak memory consumption was 237.2MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/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_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/bin/utaipan-verify-SwPr7d2a91/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_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/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_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/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 fba82fd132cdae8c64994a7c54b94e30e03a9f6ca87bfb56b5e0f118b2338603 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:15:56,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:15:56,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-24 23:15:56,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:15:56,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:15:56,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:15:56,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:15:56,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:15:56,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:15:56,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:15:56,355 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:15:56,356 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:15:56,356 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:15:56,358 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:15:56,358 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:15:56,359 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:15:56,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:15:56,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:15:56,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:15:56,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:15:56,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:15:56,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:15:56,363 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:15:56,363 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:15:56,364 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:15:56,364 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:15:56,365 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:15:56,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:15:56,365 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:15:56,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:15:56,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:15:56,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:15:56,368 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:15:56,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:15:56,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:15:56,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:15:56,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:15:56,370 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:15:56,370 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:15:56,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:15:56,371 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:15:56,372 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:15:56,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:15:56,372 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_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fba82fd132cdae8c64994a7c54b94e30e03a9f6ca87bfb56b5e0f118b2338603 [2023-11-24 23:15:56,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:15:56,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:15:56,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:15:56,826 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:15:56,826 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:15:56,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cut_comb.i [2023-11-24 23:16:00,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:16:02,302 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:16:02,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cut_comb.i [2023-11-24 23:16:02,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/bin/utaipan-verify-SwPr7d2a91/data/f716d0db9/41ba0ec2a51644b0a448afce2b4ff4b9/FLAG8cbf32eee [2023-11-24 23:16:02,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c4b25d-eb0a-4807-a0a3-53f16e68a7cb/bin/utaipan-verify-SwPr7d2a91/data/f716d0db9/41ba0ec2a51644b0a448afce2b4ff4b9 [2023-11-24 23:16:02,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:16:02,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:16:02,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:16:02,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:16:02,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:16:02,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:16:02" (1/1) ... [2023-11-24 23:16:02,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af622c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:02, skipping insertion in model container [2023-11-24 23:16:02,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:16:02" (1/1) ... [2023-11-24 23:16:03,276 INFO L177 MainTranslator]: Built tables and reachable declarations