./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_ptx_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_ptx_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX --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 9822dd571d3ca7e2f9b8a49259695572f8c5b39cd5ce5a023e572d575a5809fa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:03:50,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:03:50,904 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-12 01:03:50,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:03:50,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:03:50,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:03:50,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:03:50,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:03:50,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:03:50,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:03:50,947 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:03:50,947 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:03:50,948 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:03:50,949 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:03:50,949 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:03:50,950 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:03:50,951 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:03:50,951 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:03:50,952 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:03:50,953 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:03:50,953 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:03:50,954 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:03:50,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:03:50,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:03:50,957 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:03:50,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:03:50,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:03:50,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:03:50,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:03:50,960 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 01:03:50,960 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 01:03:50,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:03:50,961 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:03:50,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:03:50,962 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:03:50,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:03:50,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:03:50,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:03:50,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:03:50,965 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:03:50,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:03:50,966 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:03:50,966 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:03:50,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:03:50,966 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_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9822dd571d3ca7e2f9b8a49259695572f8c5b39cd5ce5a023e572d575a5809fa [2023-11-12 01:03:51,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:03:51,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:03:51,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:03:51,289 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:03:51,290 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:03:51,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_ptx_comb.i [2023-11-12 01:03:54,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:03:56,978 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:03:56,979 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/sv-benchmarks/c/goblint-coreutils/instrumented_interval_ptx_comb.i [2023-11-12 01:03:57,280 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/data/249b2af16/1144ae23770f459fa920d8418a4d4328/FLAGdaeac0408 [2023-11-12 01:03:57,298 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/data/249b2af16/1144ae23770f459fa920d8418a4d4328 [2023-11-12 01:03:57,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:03:57,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:03:57,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:03:57,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:03:57,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:03:57,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:03:57" (1/1) ... [2023-11-12 01:03:57,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be937f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:57, skipping insertion in model container [2023-11-12 01:03:57,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:03:57" (1/1) ... [2023-11-12 01:03:58,146 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:04:30,366 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-12 01:04:30,373 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-12 01:04:30,374 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-12 01:04:30,375 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-12 01:04:30,385 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-12 01:04:30,391 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-12 01:04:30,392 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-12 01:04:30,396 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-12 01:04:30,402 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-12 01:04:30,478 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-12 01:04:30,624 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-12 01:04:31,344 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-12 01:04:31,660 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. [2023-11-12 01:04:31,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49266d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:31, skipping insertion in model container [2023-11-12 01:04:31,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:04:31,662 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 01:04:31,664 INFO L158 Benchmark]: Toolchain (without parser) took 34360.67ms. Allocated memory was 165.7MB in the beginning and 312.5MB in the end (delta: 146.8MB). Free memory was 93.1MB in the beginning and 74.7MB in the end (delta: 18.4MB). Peak memory consumption was 209.7MB. Max. memory is 16.1GB. [2023-11-12 01:04:31,665 INFO L158 Benchmark]: CDTParser took 1.67ms. Allocated memory is still 119.5MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:04:31,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 34357.82ms. Allocated memory was 165.7MB in the beginning and 312.5MB in the end (delta: 146.8MB). Free memory was 93.1MB in the beginning and 74.7MB in the end (delta: 18.4MB). Peak memory consumption was 209.7MB. Max. memory is 16.1GB. [2023-11-12 01:04:31,668 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.67ms. Allocated memory is still 119.5MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 34357.82ms. Allocated memory was 165.7MB in the beginning and 312.5MB in the end (delta: 146.8MB). Free memory was 93.1MB in the beginning and 74.7MB in the end (delta: 18.4MB). Peak memory consumption was 209.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36319]: 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_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_ptx_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX --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 9822dd571d3ca7e2f9b8a49259695572f8c5b39cd5ce5a023e572d575a5809fa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:04:34,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:04:34,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-12 01:04:34,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:04:34,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:04:34,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:04:34,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:04:34,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:04:34,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:04:34,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:04:34,276 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:04:34,277 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:04:34,278 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:04:34,278 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:04:34,279 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:04:34,280 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:04:34,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:04:34,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:04:34,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:04:34,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:04:34,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:04:34,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:04:34,285 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 01:04:34,285 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 01:04:34,286 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 01:04:34,286 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 01:04:34,287 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 01:04:34,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:04:34,288 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:04:34,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:04:34,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 01:04:34,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:04:34,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:04:34,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:04:34,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:04:34,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:04:34,292 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 01:04:34,292 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 01:04:34,293 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:04:34,293 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:04:34,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:04:34,294 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_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9822dd571d3ca7e2f9b8a49259695572f8c5b39cd5ce5a023e572d575a5809fa [2023-11-12 01:04:34,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:04:34,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:04:34,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:04:34,647 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:04:34,647 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:04:34,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_ptx_comb.i [2023-11-12 01:04:37,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:04:40,080 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:04:40,081 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/sv-benchmarks/c/goblint-coreutils/instrumented_interval_ptx_comb.i [2023-11-12 01:04:40,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/data/2c233960a/f151981aae774ae8b835a5dc44dc132c/FLAG5340556a9 [2023-11-12 01:04:40,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f0527e-9ca6-483b-bd5b-ae3ea1522987/bin/utaipan-verify-NcY6lQBIFX/data/2c233960a/f151981aae774ae8b835a5dc44dc132c [2023-11-12 01:04:40,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:04:40,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:04:40,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:04:40,498 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:04:40,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:04:40,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:04:40" (1/1) ... [2023-11-12 01:04:40,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f46b4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:04:40, skipping insertion in model container [2023-11-12 01:04:40,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:04:40" (1/1) ... [2023-11-12 01:04:41,262 INFO L177 MainTranslator]: Built tables and reachable declarations