./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_a57801b3-c340-404d-b462-ad6c92c84a4a/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57801b3-c340-404d-b462-ad6c92c84a4a/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_a57801b3-c340-404d-b462-ad6c92c84a4a/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57801b3-c340-404d-b462-ad6c92c84a4a/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57801b3-c340-404d-b462-ad6c92c84a4a/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_a57801b3-c340-404d-b462-ad6c92c84a4a/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 bfdd6019a4e89cd3303529c7187ccc3acaa175f375438ad557d7a177734e9618 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:01:08,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:01:08,146 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57801b3-c340-404d-b462-ad6c92c84a4a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-12 01:01:08,160 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:01:08,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:01:08,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:01:08,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:01:08,202 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:01:08,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:01:08,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:01:08,211 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:01:08,213 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:01:08,213 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:01:08,228 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:01:08,228 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:01:08,229 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:01:08,229 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:01:08,230 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:01:08,230 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:01:08,233 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:01:08,233 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:01:08,234 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:01:08,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:01:08,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:01:08,236 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:01:08,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:01:08,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:01:08,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:01:08,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:01:08,238 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 01:01:08,240 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 01:01:08,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:01:08,240 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:01:08,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:01:08,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:01:08,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:08,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:01:08,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:01:08,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:01:08,243 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:01:08,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:01:08,243 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:01:08,243 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:01:08,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:01:08,244 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_a57801b3-c340-404d-b462-ad6c92c84a4a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57801b3-c340-404d-b462-ad6c92c84a4a/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfdd6019a4e89cd3303529c7187ccc3acaa175f375438ad557d7a177734e9618 [2023-11-12 01:01:08,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:01:08,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:01:08,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:01:08,580 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:01:08,582 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:01:08,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57801b3-c340-404d-b462-ad6c92c84a4a/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i [2023-11-12 01:01:11,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:01:13,796 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:01:13,797 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57801b3-c340-404d-b462-ad6c92c84a4a/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i [2023-11-12 01:01:13,984 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57801b3-c340-404d-b462-ad6c92c84a4a/bin/utaipan-verify-NcY6lQBIFX/data/72d32fe60/375e38d28f9b4d46935f1f9a5a415ba6/FLAG4a7e6bd19 [2023-11-12 01:01:14,005 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57801b3-c340-404d-b462-ad6c92c84a4a/bin/utaipan-verify-NcY6lQBIFX/data/72d32fe60/375e38d28f9b4d46935f1f9a5a415ba6 [2023-11-12 01:01:14,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:01:14,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:01:14,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:14,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:01:14,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:01:14,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:14" (1/1) ... [2023-11-12 01:01:14,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e389f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:14, skipping insertion in model container [2023-11-12 01:01:14,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:14" (1/1) ... [2023-11-12 01:01:14,701 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:01:44,121 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-12 01:01:44,124 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-12 01:01:44,131 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-12 01:01:44,132 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-12 01:01:44,137 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-12 01:01:44,139 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-12 01:01:44,140 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-12 01:01:44,153 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-12 01:01:44,154 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-12 01:01:44,229 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-12 01:01:44,414 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-12 01:01:45,189 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-12 01:01:45,868 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 01:01:45,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3cbd3d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:45, skipping insertion in model container [2023-11-12 01:01:45,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:45,869 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 01:01:45,871 INFO L158 Benchmark]: Toolchain (without parser) took 31857.09ms. Allocated memory was 172.0MB in the beginning and 228.6MB in the end (delta: 56.6MB). Free memory was 79.8MB in the beginning and 75.1MB in the end (delta: 4.7MB). Peak memory consumption was 155.7MB. Max. memory is 16.1GB. [2023-11-12 01:01:45,872 INFO L158 Benchmark]: CDTParser took 1.45ms. Allocated memory is still 138.4MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:01:45,873 INFO L158 Benchmark]: CACSL2BoogieTranslator took 31854.04ms. Allocated memory was 172.0MB in the beginning and 228.6MB in the end (delta: 56.6MB). Free memory was 79.8MB in the beginning and 75.1MB in the end (delta: 4.7MB). Peak memory consumption was 155.7MB. Max. memory is 16.1GB. [2023-11-12 01:01:45,875 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45ms. Allocated memory is still 138.4MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 31854.04ms. Allocated memory was 172.0MB in the beginning and 228.6MB in the end (delta: 56.6MB). Free memory was 79.8MB in the beginning and 75.1MB in the end (delta: 4.7MB). Peak memory consumption was 155.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36290]: 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_a57801b3-c340-404d-b462-ad6c92c84a4a/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57801b3-c340-404d-b462-ad6c92c84a4a/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_a57801b3-c340-404d-b462-ad6c92c84a4a/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57801b3-c340-404d-b462-ad6c92c84a4a/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57801b3-c340-404d-b462-ad6c92c84a4a/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_a57801b3-c340-404d-b462-ad6c92c84a4a/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 bfdd6019a4e89cd3303529c7187ccc3acaa175f375438ad557d7a177734e9618 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:01:48,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:01:48,462 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57801b3-c340-404d-b462-ad6c92c84a4a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-12 01:01:48,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:01:48,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:01:48,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:01:48,522 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:01:48,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:01:48,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:01:48,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:01:48,529 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:01:48,530 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:01:48,530 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:01:48,531 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:01:48,531 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:01:48,531 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:01:48,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:01:48,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:01:48,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:01:48,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:01:48,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:01:48,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:01:48,539 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 01:01:48,539 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 01:01:48,539 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 01:01:48,540 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 01:01:48,540 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 01:01:48,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:01:48,541 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:01:48,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:01:48,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 01:01:48,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:01:48,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:48,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:01:48,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:01:48,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:01:48,545 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 01:01:48,545 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 01:01:48,545 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:01:48,546 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:01:48,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:01:48,547 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_a57801b3-c340-404d-b462-ad6c92c84a4a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57801b3-c340-404d-b462-ad6c92c84a4a/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfdd6019a4e89cd3303529c7187ccc3acaa175f375438ad557d7a177734e9618 [2023-11-12 01:01:49,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:01:49,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:01:49,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:01:49,052 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:01:49,053 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:01:49,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57801b3-c340-404d-b462-ad6c92c84a4a/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i [2023-11-12 01:01:52,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:01:54,558 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:01:54,558 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57801b3-c340-404d-b462-ad6c92c84a4a/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i [2023-11-12 01:01:54,716 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57801b3-c340-404d-b462-ad6c92c84a4a/bin/utaipan-verify-NcY6lQBIFX/data/1a308c74a/ab91492725d44beab1ff3a8ad73c16dc/FLAG6870ff1d1 [2023-11-12 01:01:54,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57801b3-c340-404d-b462-ad6c92c84a4a/bin/utaipan-verify-NcY6lQBIFX/data/1a308c74a/ab91492725d44beab1ff3a8ad73c16dc [2023-11-12 01:01:54,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:01:54,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:01:54,746 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:54,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:01:54,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:01:54,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:54" (1/1) ... [2023-11-12 01:01:54,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43615c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:54, skipping insertion in model container [2023-11-12 01:01:54,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:54" (1/1) ... [2023-11-12 01:01:55,516 INFO L177 MainTranslator]: Built tables and reachable declarations