./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 9bd2c7ff 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_9a00dc80-71ce-4758-96d7-e565f92cdffa/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a00dc80-71ce-4758-96d7-e565f92cdffa/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_9a00dc80-71ce-4758-96d7-e565f92cdffa/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a00dc80-71ce-4758-96d7-e565f92cdffa/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a00dc80-71ce-4758-96d7-e565f92cdffa/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_9a00dc80-71ce-4758-96d7-e565f92cdffa/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 bfdd6019a4e89cd3303529c7187ccc3acaa175f375438ad557d7a177734e9618 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:17:10,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:17:10,813 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a00dc80-71ce-4758-96d7-e565f92cdffa/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 04:17:10,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:17:10,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:17:10,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:17:10,866 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:17:10,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:17:10,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:17:10,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:17:10,870 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:17:10,871 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:17:10,871 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:17:10,872 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:17:10,872 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:17:10,873 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:17:10,873 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:17:10,874 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:17:10,874 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:17:10,875 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:17:10,876 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:17:10,877 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:17:10,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:17:10,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:17:10,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:17:10,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:17:10,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:17:10,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:17:10,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:17:10,881 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:17:10,882 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:17:10,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:17:10,883 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:17:10,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:17:10,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:17:10,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:17:10,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:17:10,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:17:10,885 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:17:10,885 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:17:10,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:17:10,886 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:17:10,886 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:17:10,886 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:17:10,886 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_9a00dc80-71ce-4758-96d7-e565f92cdffa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a00dc80-71ce-4758-96d7-e565f92cdffa/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfdd6019a4e89cd3303529c7187ccc3acaa175f375438ad557d7a177734e9618 [2023-11-19 04:17:11,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:17:11,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:17:11,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:17:11,215 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:17:11,216 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:17:11,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a00dc80-71ce-4758-96d7-e565f92cdffa/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i [2023-11-19 04:17:14,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:17:16,377 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:17:16,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a00dc80-71ce-4758-96d7-e565f92cdffa/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i [2023-11-19 04:17:16,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a00dc80-71ce-4758-96d7-e565f92cdffa/bin/utaipan-verify-t7M7D8N6sZ/data/52ef1f982/e4e49fea85de497b8ffe70a8846b8074/FLAG513dcb054 [2023-11-19 04:17:16,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a00dc80-71ce-4758-96d7-e565f92cdffa/bin/utaipan-verify-t7M7D8N6sZ/data/52ef1f982/e4e49fea85de497b8ffe70a8846b8074 [2023-11-19 04:17:16,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:17:16,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:17:16,666 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:17:16,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:17:16,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:17:16,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:17:16" (1/1) ... [2023-11-19 04:17:16,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1453ab7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:16, skipping insertion in model container [2023-11-19 04:17:16,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:17:16" (1/1) ... [2023-11-19 04:17:17,415 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:17:44,554 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-19 04:17:44,556 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-19 04:17:44,557 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-19 04:17:44,558 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-19 04:17:44,560 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-19 04:17:44,561 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-19 04:17:44,562 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-19 04:17:44,564 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-19 04:17:44,565 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-19 04:17:44,610 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-19 04:17:44,760 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-19 04:17:45,521 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-19 04:17:45,850 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 04:17:45,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e6cd474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:45, skipping insertion in model container [2023-11-19 04:17:45,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:17:45,852 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:17:45,854 INFO L158 Benchmark]: Toolchain (without parser) took 29189.28ms. Allocated memory was 172.0MB in the beginning and 327.2MB in the end (delta: 155.2MB). Free memory was 74.2MB in the beginning and 108.1MB in the end (delta: -33.9MB). Peak memory consumption was 207.1MB. Max. memory is 16.1GB. [2023-11-19 04:17:45,855 INFO L158 Benchmark]: CDTParser took 1.23ms. Allocated memory is still 125.8MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:17:45,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 29185.40ms. Allocated memory was 172.0MB in the beginning and 327.2MB in the end (delta: 155.2MB). Free memory was 74.2MB in the beginning and 108.1MB in the end (delta: -33.9MB). Peak memory consumption was 207.1MB. Max. memory is 16.1GB. [2023-11-19 04:17:45,858 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23ms. Allocated memory is still 125.8MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 29185.40ms. Allocated memory was 172.0MB in the beginning and 327.2MB in the end (delta: 155.2MB). Free memory was 74.2MB in the beginning and 108.1MB in the end (delta: -33.9MB). Peak memory consumption was 207.1MB. 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_9a00dc80-71ce-4758-96d7-e565f92cdffa/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a00dc80-71ce-4758-96d7-e565f92cdffa/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_9a00dc80-71ce-4758-96d7-e565f92cdffa/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a00dc80-71ce-4758-96d7-e565f92cdffa/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a00dc80-71ce-4758-96d7-e565f92cdffa/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_9a00dc80-71ce-4758-96d7-e565f92cdffa/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 bfdd6019a4e89cd3303529c7187ccc3acaa175f375438ad557d7a177734e9618 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:17:48,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:17:48,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a00dc80-71ce-4758-96d7-e565f92cdffa/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-19 04:17:48,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:17:48,239 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:17:48,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:17:48,302 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:17:48,302 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:17:48,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:17:48,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:17:48,310 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:17:48,311 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:17:48,312 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:17:48,314 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:17:48,314 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:17:48,315 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:17:48,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:17:48,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:17:48,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:17:48,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:17:48,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:17:48,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:17:48,319 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:17:48,319 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:17:48,320 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:17:48,320 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:17:48,321 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:17:48,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:17:48,322 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:17:48,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:17:48,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:17:48,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:17:48,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:17:48,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:17:48,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:17:48,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:17:48,326 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:17:48,326 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:17:48,326 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:17:48,327 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:17:48,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:17:48,328 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_9a00dc80-71ce-4758-96d7-e565f92cdffa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a00dc80-71ce-4758-96d7-e565f92cdffa/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfdd6019a4e89cd3303529c7187ccc3acaa175f375438ad557d7a177734e9618 [2023-11-19 04:17:48,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:17:48,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:17:48,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:17:48,828 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:17:48,828 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:17:48,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a00dc80-71ce-4758-96d7-e565f92cdffa/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i [2023-11-19 04:17:52,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:17:54,310 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:17:54,311 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a00dc80-71ce-4758-96d7-e565f92cdffa/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i [2023-11-19 04:17:54,472 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a00dc80-71ce-4758-96d7-e565f92cdffa/bin/utaipan-verify-t7M7D8N6sZ/data/ce6d543f0/9eb1efdb4b9b4beab30d61652c7f2a20/FLAG88bdbc152 [2023-11-19 04:17:54,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a00dc80-71ce-4758-96d7-e565f92cdffa/bin/utaipan-verify-t7M7D8N6sZ/data/ce6d543f0/9eb1efdb4b9b4beab30d61652c7f2a20 [2023-11-19 04:17:54,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:17:54,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:17:54,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:17:54,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:17:54,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:17:54,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:17:54" (1/1) ... [2023-11-19 04:17:54,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353fddba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:54, skipping insertion in model container [2023-11-19 04:17:54,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:17:54" (1/1) ... [2023-11-19 04:17:55,189 INFO L177 MainTranslator]: Built tables and reachable declarations