./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire --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 935f88b4e8d3c594a969e02830dc0e71e1824c543ec1edef55d689968d17ba50 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:33:33,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:33:33,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-23 20:33:33,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:33:33,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:33:33,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:33:33,288 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:33:33,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:33:33,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:33:33,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:33:33,291 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:33:33,291 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:33:33,292 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:33:33,293 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:33:33,293 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:33:33,294 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:33:33,295 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:33:33,295 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:33:33,296 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:33:33,296 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:33:33,297 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:33:33,298 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:33:33,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:33:33,300 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:33:33,300 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:33:33,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:33:33,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:33:33,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:33:33,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:33:33,303 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:33:33,304 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:33:33,305 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:33:33,305 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:33:33,306 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:33:33,306 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:33:33,306 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:33:33,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:33,307 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:33:33,308 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:33:33,308 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:33:33,309 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:33:33,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:33:33,309 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:33:33,310 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:33:33,310 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:33:33,311 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:33:33,311 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_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 935f88b4e8d3c594a969e02830dc0e71e1824c543ec1edef55d689968d17ba50 [2023-11-23 20:33:33,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:33:33,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:33:33,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:33:33,697 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:33:33,700 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:33:33,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i [2023-11-23 20:33:37,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:33:39,650 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:33:39,651 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i [2023-11-23 20:33:39,926 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/data/4fff05570/a4c38ab150e84fbb805c029486230807/FLAG60d5056f7 [2023-11-23 20:33:39,942 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/data/4fff05570/a4c38ab150e84fbb805c029486230807 [2023-11-23 20:33:39,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:33:39,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:33:39,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:39,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:33:39,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:33:39,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:39" (1/1) ... [2023-11-23 20:33:39,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4437899e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:39, skipping insertion in model container [2023-11-23 20:33:39,963 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:39" (1/1) ... [2023-11-23 20:33:40,837 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:34:22,885 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-23 20:34:22,891 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-23 20:34:22,893 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-23 20:34:22,894 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-23 20:34:22,898 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-23 20:34:22,899 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-23 20:34:22,901 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-23 20:34:22,911 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-23 20:34:22,912 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-23 20:34:23,009 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-23 20:34:23,194 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-23 20:34:23,952 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-23 20:34:24,414 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. [2023-11-23 20:34:24,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6231f20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:24, skipping insertion in model container [2023-11-23 20:34:24,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:24,418 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 20:34:24,420 INFO L158 Benchmark]: Toolchain (without parser) took 44465.68ms. Allocated memory was 222.3MB in the beginning and 421.5MB in the end (delta: 199.2MB). Free memory was 114.7MB in the beginning and 209.6MB in the end (delta: -94.9MB). Peak memory consumption was 289.8MB. Max. memory is 16.1GB. [2023-11-23 20:34:24,421 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:34:24,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 44462.54ms. Allocated memory was 222.3MB in the beginning and 421.5MB in the end (delta: 199.2MB). Free memory was 114.7MB in the beginning and 209.6MB in the end (delta: -94.9MB). Peak memory consumption was 289.8MB. Max. memory is 16.1GB. [2023-11-23 20:34:24,424 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 44462.54ms. Allocated memory was 222.3MB in the beginning and 421.5MB in the end (delta: 199.2MB). Free memory was 114.7MB in the beginning and 209.6MB in the end (delta: -94.9MB). Peak memory consumption was 289.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 37044]: 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_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire --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 935f88b4e8d3c594a969e02830dc0e71e1824c543ec1edef55d689968d17ba50 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:34:26,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:34:27,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-23 20:34:27,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:34:27,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:34:27,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:34:27,092 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:34:27,093 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:34:27,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:34:27,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:34:27,099 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:34:27,100 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:34:27,100 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:34:27,102 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:34:27,103 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:34:27,103 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:34:27,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:34:27,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:34:27,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:34:27,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:34:27,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:34:27,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:34:27,108 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:34:27,108 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:34:27,109 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:34:27,109 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:34:27,109 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:34:27,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:34:27,110 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:34:27,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:34:27,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:34:27,111 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:34:27,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:34:27,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:27,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:34:27,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:34:27,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:34:27,113 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:34:27,113 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:34:27,114 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:34:27,115 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:34:27,115 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:34:27,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:34:27,116 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_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 935f88b4e8d3c594a969e02830dc0e71e1824c543ec1edef55d689968d17ba50 [2023-11-23 20:34:27,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:34:27,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:34:27,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:34:27,559 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:34:27,559 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:34:27,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i [2023-11-23 20:34:30,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:34:33,361 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:34:33,362 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i [2023-11-23 20:34:33,575 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/data/7e29e3de8/942dfc961b0e4815908b92a456643972/FLAG576644a94 [2023-11-23 20:34:33,597 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9b8916-16b9-40f0-a062-cb696d8703dd/bin/utaipan-verify-mE87zJ7Ire/data/7e29e3de8/942dfc961b0e4815908b92a456643972 [2023-11-23 20:34:33,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:34:33,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:34:33,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:33,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:34:33,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:34:33,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:33" (1/1) ... [2023-11-23 20:34:33,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd42366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:33, skipping insertion in model container [2023-11-23 20:34:33,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:33" (1/1) ... [2023-11-23 20:34:34,528 INFO L177 MainTranslator]: Built tables and reachable declarations