./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_1759517a-46b7-40b7-ac88-9c8685b532af/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1759517a-46b7-40b7-ac88-9c8685b532af/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_1759517a-46b7-40b7-ac88-9c8685b532af/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1759517a-46b7-40b7-ac88-9c8685b532af/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1759517a-46b7-40b7-ac88-9c8685b532af/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_1759517a-46b7-40b7-ac88-9c8685b532af/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 2615050d3e15454a7c4ac27f40f296bb7a011298e24dedaf2a982d9365404e2e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:14:01,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:14:01,969 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1759517a-46b7-40b7-ac88-9c8685b532af/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 05:14:01,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:14:01,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:14:02,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:14:02,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:14:02,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:14:02,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:14:02,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:14:02,041 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:14:02,042 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:14:02,042 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:14:02,044 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:14:02,044 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:14:02,045 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:14:02,045 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:14:02,046 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:14:02,046 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:14:02,047 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:14:02,047 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:14:02,048 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:14:02,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:14:02,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:14:02,067 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:14:02,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:14:02,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:14:02,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:14:02,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:14:02,069 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:14:02,071 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:14:02,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:14:02,071 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:14:02,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:14:02,072 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:14:02,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:02,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:14:02,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:14:02,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:14:02,073 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:14:02,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:14:02,074 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:14:02,074 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:14:02,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:14:02,075 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_1759517a-46b7-40b7-ac88-9c8685b532af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1759517a-46b7-40b7-ac88-9c8685b532af/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2615050d3e15454a7c4ac27f40f296bb7a011298e24dedaf2a982d9365404e2e [2023-11-19 05:14:02,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:14:02,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:14:02,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:14:02,491 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:14:02,492 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:14:02,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1759517a-46b7-40b7-ac88-9c8685b532af/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i [2023-11-19 05:14:05,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:14:07,882 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:14:07,882 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1759517a-46b7-40b7-ac88-9c8685b532af/sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i [2023-11-19 05:14:08,162 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1759517a-46b7-40b7-ac88-9c8685b532af/bin/utaipan-verify-t7M7D8N6sZ/data/2e075acaf/ea0b01b57b3049f4b2545e583a387d78/FLAGe31c5f092 [2023-11-19 05:14:08,178 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1759517a-46b7-40b7-ac88-9c8685b532af/bin/utaipan-verify-t7M7D8N6sZ/data/2e075acaf/ea0b01b57b3049f4b2545e583a387d78 [2023-11-19 05:14:08,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:14:08,183 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:14:08,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:08,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:14:08,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:14:08,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74dd2e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08, skipping insertion in model container [2023-11-19 05:14:08,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:09,038 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:14:44,236 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-19 05:14:44,239 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-19 05:14:44,241 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-19 05:14:44,242 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-19 05:14:44,254 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-19 05:14:44,257 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-19 05:14:44,258 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-19 05:14:44,266 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-19 05:14:44,269 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-19 05:14:44,354 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-19 05:14:44,551 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-19 05:14:45,342 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-19 05:14:45,891 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 05:14:45,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a4fa3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:45, skipping insertion in model container [2023-11-19 05:14:45,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:45,906 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:14:45,909 INFO L158 Benchmark]: Toolchain (without parser) took 37724.00ms. Allocated memory was 197.1MB in the beginning and 278.9MB in the end (delta: 81.8MB). Free memory was 102.5MB in the beginning and 111.7MB in the end (delta: -9.3MB). Peak memory consumption was 201.5MB. Max. memory is 16.1GB. [2023-11-19 05:14:45,909 INFO L158 Benchmark]: CDTParser took 1.16ms. Allocated memory is still 123.7MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:14:45,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 37721.28ms. Allocated memory was 197.1MB in the beginning and 278.9MB in the end (delta: 81.8MB). Free memory was 101.6MB in the beginning and 111.7MB in the end (delta: -10.1MB). Peak memory consumption was 197.3MB. Max. memory is 16.1GB. [2023-11-19 05:14:45,926 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16ms. Allocated memory is still 123.7MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 37721.28ms. Allocated memory was 197.1MB in the beginning and 278.9MB in the end (delta: 81.8MB). Free memory was 101.6MB in the beginning and 111.7MB in the end (delta: -10.1MB). Peak memory consumption was 197.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36544]: 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_1759517a-46b7-40b7-ac88-9c8685b532af/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1759517a-46b7-40b7-ac88-9c8685b532af/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_1759517a-46b7-40b7-ac88-9c8685b532af/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1759517a-46b7-40b7-ac88-9c8685b532af/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1759517a-46b7-40b7-ac88-9c8685b532af/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_1759517a-46b7-40b7-ac88-9c8685b532af/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 2615050d3e15454a7c4ac27f40f296bb7a011298e24dedaf2a982d9365404e2e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:14:48,418 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:14:48,510 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1759517a-46b7-40b7-ac88-9c8685b532af/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-19 05:14:48,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:14:48,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:14:48,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:14:48,572 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:14:48,573 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:14:48,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:14:48,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:14:48,582 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:14:48,582 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:14:48,583 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:14:48,585 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:14:48,586 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:14:48,586 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:14:48,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:14:48,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:14:48,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:14:48,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:14:48,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:14:48,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:14:48,592 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:14:48,593 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:14:48,593 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:14:48,594 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:14:48,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:14:48,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:14:48,595 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:14:48,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:14:48,598 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:14:48,598 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:14:48,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:48,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:14:48,599 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:14:48,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:14:48,600 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:14:48,601 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:14:48,601 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:14:48,602 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:14:48,603 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:14:48,603 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_1759517a-46b7-40b7-ac88-9c8685b532af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1759517a-46b7-40b7-ac88-9c8685b532af/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2615050d3e15454a7c4ac27f40f296bb7a011298e24dedaf2a982d9365404e2e [2023-11-19 05:14:49,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:14:49,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:14:49,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:14:49,097 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:14:49,098 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:14:49,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1759517a-46b7-40b7-ac88-9c8685b532af/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i [2023-11-19 05:14:52,294 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:14:54,879 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:14:54,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1759517a-46b7-40b7-ac88-9c8685b532af/sv-benchmarks/c/goblint-coreutils/instrumented_mv_comb.i [2023-11-19 05:14:55,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1759517a-46b7-40b7-ac88-9c8685b532af/bin/utaipan-verify-t7M7D8N6sZ/data/cd59ab24b/53a1e139139243f79a0ba714f2193d68/FLAG198fab2f1 [2023-11-19 05:14:55,289 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1759517a-46b7-40b7-ac88-9c8685b532af/bin/utaipan-verify-t7M7D8N6sZ/data/cd59ab24b/53a1e139139243f79a0ba714f2193d68 [2023-11-19 05:14:55,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:14:55,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:14:55,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:55,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:14:55,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:14:55,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:55" (1/1) ... [2023-11-19 05:14:55,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c87d4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:55, skipping insertion in model container [2023-11-19 05:14:55,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:55" (1/1) ... [2023-11-19 05:14:56,100 INFO L177 MainTranslator]: Built tables and reachable declarations