./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_39c971e6-dd26-4a4c-9f9c-668b6871342c/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c971e6-dd26-4a4c-9f9c-668b6871342c/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_39c971e6-dd26-4a4c-9f9c-668b6871342c/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c971e6-dd26-4a4c-9f9c-668b6871342c/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c971e6-dd26-4a4c-9f9c-668b6871342c/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_39c971e6-dd26-4a4c-9f9c-668b6871342c/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 b6816cf606a392c6e00a99419dcd620347fafa3510a8b711696b4fa6c7c2c596 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:58:53,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:58:53,390 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c971e6-dd26-4a4c-9f9c-668b6871342c/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 04:58:53,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:58:53,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:58:53,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:58:53,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:58:53,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:58:53,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:58:53,464 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:58:53,464 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:58:53,466 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:58:53,466 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:58:53,468 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:58:53,469 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:58:53,470 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:58:53,470 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:58:53,471 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:58:53,471 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:58:53,472 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:58:53,473 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:58:53,473 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:58:53,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:58:53,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:58:53,476 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:58:53,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:58:53,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:58:53,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:58:53,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:58:53,479 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:58:53,481 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:58:53,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:58:53,481 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:58:53,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:58:53,482 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:58:53,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:53,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:58:53,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:58:53,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:58:53,484 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:58:53,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:58:53,485 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:58:53,486 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:58:53,486 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:58:53,487 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_39c971e6-dd26-4a4c-9f9c-668b6871342c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c971e6-dd26-4a4c-9f9c-668b6871342c/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6816cf606a392c6e00a99419dcd620347fafa3510a8b711696b4fa6c7c2c596 [2023-11-19 04:58:53,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:58:53,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:58:53,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:58:53,884 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:58:53,884 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:58:53,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c971e6-dd26-4a4c-9f9c-668b6871342c/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i [2023-11-19 04:58:57,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:58:59,431 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:58:59,432 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c971e6-dd26-4a4c-9f9c-668b6871342c/sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i [2023-11-19 04:58:59,749 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c971e6-dd26-4a4c-9f9c-668b6871342c/bin/utaipan-verify-t7M7D8N6sZ/data/7486be11f/ad1e9b4d3a6248fd84dc979015948c09/FLAG9e6d91a93 [2023-11-19 04:58:59,763 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c971e6-dd26-4a4c-9f9c-668b6871342c/bin/utaipan-verify-t7M7D8N6sZ/data/7486be11f/ad1e9b4d3a6248fd84dc979015948c09 [2023-11-19 04:58:59,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:58:59,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:58:59,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:59,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:58:59,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:58:59,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:59" (1/1) ... [2023-11-19 04:58:59,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ba1a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:59, skipping insertion in model container [2023-11-19 04:58:59,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:59" (1/1) ... [2023-11-19 04:59:00,429 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:59:32,130 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-19 04:59:32,131 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-19 04:59:32,132 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-19 04:59:32,133 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-19 04:59:32,135 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-19 04:59:32,137 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-19 04:59:32,138 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-19 04:59:32,140 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-19 04:59:32,141 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-19 04:59:32,206 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-19 04:59:32,411 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-19 04:59:33,246 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-19 04:59:33,583 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 04:59:33,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@73b41b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:33, skipping insertion in model container [2023-11-19 04:59:33,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:33,585 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:59:33,587 INFO L158 Benchmark]: Toolchain (without parser) took 33818.34ms. Allocated memory was 199.2MB in the beginning and 360.7MB in the end (delta: 161.5MB). Free memory was 119.3MB in the beginning and 158.7MB in the end (delta: -39.4MB). Peak memory consumption was 263.1MB. Max. memory is 16.1GB. [2023-11-19 04:59:33,588 INFO L158 Benchmark]: CDTParser took 1.39ms. Allocated memory is still 146.8MB. Free memory was 93.5MB in the beginning and 93.3MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:59:33,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 33815.77ms. Allocated memory was 199.2MB in the beginning and 360.7MB in the end (delta: 161.5MB). Free memory was 118.7MB in the beginning and 158.7MB in the end (delta: -40.0MB). Peak memory consumption was 263.1MB. Max. memory is 16.1GB. [2023-11-19 04:59:33,592 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39ms. Allocated memory is still 146.8MB. Free memory was 93.5MB in the beginning and 93.3MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 33815.77ms. Allocated memory was 199.2MB in the beginning and 360.7MB in the end (delta: 161.5MB). Free memory was 118.7MB in the beginning and 158.7MB in the end (delta: -40.0MB). Peak memory consumption was 263.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36942]: 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_39c971e6-dd26-4a4c-9f9c-668b6871342c/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c971e6-dd26-4a4c-9f9c-668b6871342c/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_39c971e6-dd26-4a4c-9f9c-668b6871342c/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c971e6-dd26-4a4c-9f9c-668b6871342c/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c971e6-dd26-4a4c-9f9c-668b6871342c/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_39c971e6-dd26-4a4c-9f9c-668b6871342c/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 b6816cf606a392c6e00a99419dcd620347fafa3510a8b711696b4fa6c7c2c596 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:59:36,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:59:36,215 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c971e6-dd26-4a4c-9f9c-668b6871342c/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-19 04:59:36,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:59:36,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:59:36,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:59:36,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:59:36,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:59:36,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:59:36,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:59:36,282 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:59:36,283 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:59:36,283 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:59:36,285 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:59:36,285 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:59:36,286 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:59:36,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:59:36,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:59:36,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:59:36,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:59:36,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:59:36,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:59:36,291 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:59:36,291 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:59:36,292 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:59:36,292 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:59:36,293 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:59:36,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:59:36,294 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:59:36,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:59:36,295 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:59:36,296 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:59:36,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:36,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:59:36,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:59:36,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:59:36,297 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:59:36,298 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:59:36,298 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:59:36,299 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:59:36,299 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:59:36,300 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_39c971e6-dd26-4a4c-9f9c-668b6871342c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c971e6-dd26-4a4c-9f9c-668b6871342c/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6816cf606a392c6e00a99419dcd620347fafa3510a8b711696b4fa6c7c2c596 [2023-11-19 04:59:36,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:59:36,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:59:36,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:59:36,753 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:59:36,754 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:59:36,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c971e6-dd26-4a4c-9f9c-668b6871342c/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i [2023-11-19 04:59:39,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:59:42,237 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:59:42,237 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c971e6-dd26-4a4c-9f9c-668b6871342c/sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i [2023-11-19 04:59:42,554 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c971e6-dd26-4a4c-9f9c-668b6871342c/bin/utaipan-verify-t7M7D8N6sZ/data/f1fd94c96/a6087ca7cdc54d3291609f6f1fb0fa07/FLAG9a6079f04 [2023-11-19 04:59:42,601 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c971e6-dd26-4a4c-9f9c-668b6871342c/bin/utaipan-verify-t7M7D8N6sZ/data/f1fd94c96/a6087ca7cdc54d3291609f6f1fb0fa07 [2023-11-19 04:59:42,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:59:42,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:59:42,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:42,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:59:42,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:59:42,630 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:42" (1/1) ... [2023-11-19 04:59:42,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b7de2ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:42, skipping insertion in model container [2023-11-19 04:59:42,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:42" (1/1) ... [2023-11-19 04:59:43,330 INFO L177 MainTranslator]: Built tables and reachable declarations