./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_ptx_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_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/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_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/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_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/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 37cffa36d12f99fa5b0b0171dcb8704e4f919336fbfc801054ad86fe38d73e34 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:59:44,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:59:44,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-12 00:59:44,958 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:59:44,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:59:44,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:59:44,990 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:59:44,990 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:59:44,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:59:44,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:59:44,992 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:59:44,993 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:59:44,994 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:59:44,999 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:59:44,999 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:59:45,000 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:59:45,002 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:59:45,003 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:59:45,004 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:59:45,004 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:59:45,005 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:59:45,005 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:59:45,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:59:45,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:59:45,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:59:45,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:59:45,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:59:45,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:59:45,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:59:45,009 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:59:45,009 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:59:45,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:59:45,010 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:59:45,010 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:59:45,011 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:59:45,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:45,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:59:45,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:59:45,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:59:45,012 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:59:45,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:59:45,013 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:59:45,013 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:59:45,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:59:45,013 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_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37cffa36d12f99fa5b0b0171dcb8704e4f919336fbfc801054ad86fe38d73e34 [2023-11-12 00:59:45,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:59:45,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:59:45,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:59:45,370 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:59:45,371 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:59:45,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i [2023-11-12 00:59:48,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:59:50,484 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:59:50,484 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i [2023-11-12 00:59:50,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/bin/utaipan-verify-NcY6lQBIFX/data/201a001dd/f5cec5ccdd6f4a7daf9fc703b783de9b/FLAG1503efac7 [2023-11-12 00:59:50,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/bin/utaipan-verify-NcY6lQBIFX/data/201a001dd/f5cec5ccdd6f4a7daf9fc703b783de9b [2023-11-12 00:59:50,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:59:50,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:59:50,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:50,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:59:50,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:59:50,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:50" (1/1) ... [2023-11-12 00:59:50,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1df83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:50, skipping insertion in model container [2023-11-12 00:59:50,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:50" (1/1) ... [2023-11-12 00:59:51,415 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:00:20,957 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-12 01:00:20,958 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-12 01:00:20,959 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-12 01:00:20,960 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-12 01:00:20,963 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-12 01:00:20,964 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-12 01:00:20,965 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-12 01:00:20,968 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-12 01:00:20,969 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-12 01:00:21,026 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-12 01:00:21,203 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-12 01:00:22,087 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-12 01:00:22,596 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 01:00:22,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69636176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:22, skipping insertion in model container [2023-11-12 01:00:22,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:22,598 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 01:00:22,600 INFO L158 Benchmark]: Toolchain (without parser) took 31917.72ms. Allocated memory was 142.6MB in the beginning and 237.0MB in the end (delta: 94.4MB). Free memory was 52.9MB in the beginning and 60.2MB in the end (delta: -7.4MB). Peak memory consumption was 159.9MB. Max. memory is 16.1GB. [2023-11-12 01:00:22,601 INFO L158 Benchmark]: CDTParser took 1.36ms. Allocated memory is still 115.3MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:00:22,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 31913.86ms. Allocated memory was 142.6MB in the beginning and 237.0MB in the end (delta: 94.4MB). Free memory was 52.5MB in the beginning and 60.2MB in the end (delta: -7.8MB). Peak memory consumption was 159.9MB. Max. memory is 16.1GB. [2023-11-12 01:00:22,604 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36ms. Allocated memory is still 115.3MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 31913.86ms. Allocated memory was 142.6MB in the beginning and 237.0MB in the end (delta: 94.4MB). Free memory was 52.5MB in the beginning and 60.2MB in the end (delta: -7.8MB). Peak memory consumption was 159.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36147]: 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_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/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_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/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_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/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 37cffa36d12f99fa5b0b0171dcb8704e4f919336fbfc801054ad86fe38d73e34 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:00:25,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:00:25,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-12 01:00:25,430 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:00:25,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:00:25,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:00:25,481 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:00:25,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:00:25,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:00:25,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:00:25,488 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:00:25,489 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:00:25,489 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:00:25,491 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:00:25,492 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:00:25,492 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:00:25,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:00:25,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:00:25,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:00:25,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:00:25,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:00:25,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:00:25,497 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 01:00:25,497 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 01:00:25,498 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 01:00:25,498 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 01:00:25,498 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 01:00:25,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:00:25,499 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:00:25,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:00:25,501 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 01:00:25,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:00:25,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:25,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:00:25,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:00:25,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:00:25,503 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 01:00:25,503 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 01:00:25,503 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:00:25,505 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:00:25,505 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:00:25,505 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_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37cffa36d12f99fa5b0b0171dcb8704e4f919336fbfc801054ad86fe38d73e34 [2023-11-12 01:00:25,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:00:26,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:00:26,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:00:26,015 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:00:26,015 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:00:26,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i [2023-11-12 01:00:29,106 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:00:31,348 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:00:31,348 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i [2023-11-12 01:00:31,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/bin/utaipan-verify-NcY6lQBIFX/data/9b860a26c/cdfbb867feb94f00bf481ad65383f0f8/FLAG92ff725eb [2023-11-12 01:00:31,641 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8fddbc3-687d-49c0-a6a3-60ec0d52033c/bin/utaipan-verify-NcY6lQBIFX/data/9b860a26c/cdfbb867feb94f00bf481ad65383f0f8 [2023-11-12 01:00:31,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:00:31,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:00:31,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:31,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:00:31,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:00:31,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:31" (1/1) ... [2023-11-12 01:00:31,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f096a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:31, skipping insertion in model container [2023-11-12 01:00:31,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:31" (1/1) ... [2023-11-12 01:00:32,289 INFO L177 MainTranslator]: Built tables and reachable declarations