./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 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_bccdced0-a7af-4530-8b03-9e6f66f159d9/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccdced0-a7af-4530-8b03-9e6f66f159d9/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_bccdced0-a7af-4530-8b03-9e6f66f159d9/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccdced0-a7af-4530-8b03-9e6f66f159d9/bin/utaipan-verify-NcY6lQBIFX/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_bccdced0-a7af-4530-8b03-9e6f66f159d9/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_bccdced0-a7af-4530-8b03-9e6f66f159d9/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 fba82fd132cdae8c64994a7c54b94e30e03a9f6ca87bfb56b5e0f118b2338603 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:56:06,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:56:06,973 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccdced0-a7af-4530-8b03-9e6f66f159d9/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-12 00:56:06,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:56:06,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:56:07,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:56:07,039 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:56:07,040 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:56:07,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:56:07,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:56:07,049 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:56:07,050 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:56:07,051 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:56:07,053 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:56:07,054 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:56:07,054 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:56:07,055 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:56:07,055 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:56:07,056 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:56:07,056 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:56:07,057 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:56:07,058 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:56:07,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:56:07,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:56:07,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:56:07,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:56:07,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:56:07,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:56:07,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:56:07,063 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:56:07,064 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:56:07,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:56:07,065 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:56:07,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:56:07,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:56:07,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:56:07,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:56:07,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:56:07,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:56:07,067 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:56:07,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:56:07,068 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:56:07,069 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:56:07,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:56:07,070 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_bccdced0-a7af-4530-8b03-9e6f66f159d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccdced0-a7af-4530-8b03-9e6f66f159d9/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fba82fd132cdae8c64994a7c54b94e30e03a9f6ca87bfb56b5e0f118b2338603 [2023-11-12 00:56:07,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:56:07,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:56:07,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:56:07,436 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:56:07,437 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:56:07,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccdced0-a7af-4530-8b03-9e6f66f159d9/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cut_comb.i [2023-11-12 00:56:11,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:56:13,461 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:56:13,462 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccdced0-a7af-4530-8b03-9e6f66f159d9/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cut_comb.i [2023-11-12 00:56:13,703 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccdced0-a7af-4530-8b03-9e6f66f159d9/bin/utaipan-verify-NcY6lQBIFX/data/52313c076/9b1b54acf536446499dd6743bb7ef809/FLAGb44254d41 [2023-11-12 00:56:13,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccdced0-a7af-4530-8b03-9e6f66f159d9/bin/utaipan-verify-NcY6lQBIFX/data/52313c076/9b1b54acf536446499dd6743bb7ef809 [2023-11-12 00:56:13,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:56:13,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:56:13,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:56:13,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:56:13,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:56:13,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:56:13" (1/1) ... [2023-11-12 00:56:13,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b65a35f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:13, skipping insertion in model container [2023-11-12 00:56:13,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:56:13" (1/1) ... [2023-11-12 00:56:14,463 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:56:44,409 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-12 00:56:44,411 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-12 00:56:44,412 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-12 00:56:44,413 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-12 00:56:44,416 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-12 00:56:44,417 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-12 00:56:44,418 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-12 00:56:44,421 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-12 00:56:44,422 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-12 00:56:44,472 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-12 00:56:44,671 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-12 00:56:45,631 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-12 00:56:45,929 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 00:56:45,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@32740b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:45, skipping insertion in model container [2023-11-12 00:56:45,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:56:45,931 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 00:56:45,933 INFO L158 Benchmark]: Toolchain (without parser) took 32198.76ms. Allocated memory was 165.7MB in the beginning and 278.9MB in the end (delta: 113.2MB). Free memory was 82.7MB in the beginning and 83.6MB in the end (delta: -929.2kB). Peak memory consumption was 193.5MB. Max. memory is 16.1GB. [2023-11-12 00:56:45,934 INFO L158 Benchmark]: CDTParser took 1.77ms. Allocated memory is still 111.1MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:56:45,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 32193.80ms. Allocated memory was 165.7MB in the beginning and 278.9MB in the end (delta: 113.2MB). Free memory was 82.7MB in the beginning and 83.6MB in the end (delta: -929.2kB). Peak memory consumption was 193.5MB. Max. memory is 16.1GB. [2023-11-12 00:56:45,937 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.77ms. Allocated memory is still 111.1MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 32193.80ms. Allocated memory was 165.7MB in the beginning and 278.9MB in the end (delta: 113.2MB). Free memory was 82.7MB in the beginning and 83.6MB in the end (delta: -929.2kB). Peak memory consumption was 193.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36489]: Unsupported Syntax The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccdced0-a7af-4530-8b03-9e6f66f159d9/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccdced0-a7af-4530-8b03-9e6f66f159d9/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_bccdced0-a7af-4530-8b03-9e6f66f159d9/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccdced0-a7af-4530-8b03-9e6f66f159d9/bin/utaipan-verify-NcY6lQBIFX/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_bccdced0-a7af-4530-8b03-9e6f66f159d9/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_bccdced0-a7af-4530-8b03-9e6f66f159d9/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 fba82fd132cdae8c64994a7c54b94e30e03a9f6ca87bfb56b5e0f118b2338603 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:56:48,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:56:48,241 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccdced0-a7af-4530-8b03-9e6f66f159d9/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-12 00:56:48,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:56:48,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:56:48,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:56:48,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:56:48,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:56:48,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:56:48,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:56:48,279 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:56:48,280 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:56:48,281 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:56:48,281 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:56:48,282 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:56:48,282 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:56:48,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:56:48,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:56:48,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:56:48,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:56:48,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:56:48,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:56:48,287 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:56:48,288 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:56:48,289 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:56:48,289 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:56:48,290 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:56:48,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:56:48,291 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:56:48,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:56:48,292 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:56:48,293 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:56:48,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:56:48,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:56:48,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:56:48,294 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:56:48,295 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:56:48,295 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:56:48,296 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:56:48,296 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:56:48,296 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:56:48,301 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_bccdced0-a7af-4530-8b03-9e6f66f159d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccdced0-a7af-4530-8b03-9e6f66f159d9/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fba82fd132cdae8c64994a7c54b94e30e03a9f6ca87bfb56b5e0f118b2338603 [2023-11-12 00:56:48,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:56:48,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:56:48,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:56:48,718 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:56:48,719 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:56:48,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccdced0-a7af-4530-8b03-9e6f66f159d9/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cut_comb.i [2023-11-12 00:56:51,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:56:54,420 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:56:54,420 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccdced0-a7af-4530-8b03-9e6f66f159d9/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cut_comb.i [2023-11-12 00:56:54,655 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccdced0-a7af-4530-8b03-9e6f66f159d9/bin/utaipan-verify-NcY6lQBIFX/data/2cdc18467/f2bad80dc2a24a50a48b0e245013b639/FLAG96bc03c34 [2023-11-12 00:56:54,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccdced0-a7af-4530-8b03-9e6f66f159d9/bin/utaipan-verify-NcY6lQBIFX/data/2cdc18467/f2bad80dc2a24a50a48b0e245013b639 [2023-11-12 00:56:54,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:56:54,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:56:54,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:56:54,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:56:54,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:56:54,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:56:54" (1/1) ... [2023-11-12 00:56:54,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16aca11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:54, skipping insertion in model container [2023-11-12 00:56:54,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:56:54" (1/1) ... [2023-11-12 00:56:55,448 INFO L177 MainTranslator]: Built tables and reachable declarations