./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_df_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_df_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 65b7426bfccbcde0aa079407402fe5952924228fa92314a7e6b9ec6c7d0431c9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:03:09,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:03:09,298 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-12 02:03:09,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:03:09,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:03:09,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:03:09,349 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:03:09,350 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:03:09,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:03:09,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:03:09,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:03:09,358 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:03:09,359 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:03:09,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:03:09,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:03:09,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:03:09,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:03:09,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:03:09,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:03:09,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:03:09,364 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:03:09,365 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:03:09,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:03:09,366 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:03:09,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:03:09,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:03:09,368 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:03:09,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:09,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:03:09,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:03:09,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:03:09,371 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:03:09,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:03:09,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:03:09,372 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:03:09,373 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:03:09,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:03:09,373 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:03:09,374 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65b7426bfccbcde0aa079407402fe5952924228fa92314a7e6b9ec6c7d0431c9 [2023-11-12 02:03:09,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:03:09,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:03:09,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:03:09,723 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:03:09,724 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:03:09,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-coreutils/instrumented_df_comb.i [2023-11-12 02:03:12,798 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:03:14,747 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:03:14,748 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/sv-benchmarks/c/goblint-coreutils/instrumented_df_comb.i [2023-11-12 02:03:15,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/data/eead90ee2/334ce04b48aa4ecd9ffb10254e384105/FLAG462a947e9 [2023-11-12 02:03:15,392 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/data/eead90ee2/334ce04b48aa4ecd9ffb10254e384105 [2023-11-12 02:03:15,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:03:15,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:03:15,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:15,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:03:15,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:03:15,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:15" (1/1) ... [2023-11-12 02:03:15,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de43f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:15, skipping insertion in model container [2023-11-12 02:03:15,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:15" (1/1) ... [2023-11-12 02:03:16,067 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:03:47,377 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-12 02:03:47,390 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-12 02:03:47,392 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-12 02:03:47,395 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-12 02:03:47,400 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-12 02:03:47,404 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-12 02:03:47,409 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-12 02:03:47,411 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-12 02:03:47,412 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-12 02:03:47,496 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-12 02:03:47,662 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-12 02:03:48,548 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-12 02:03:48,881 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 02:03:48,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76044863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:48, skipping insertion in model container [2023-11-12 02:03:48,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:48,884 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 02:03:48,887 INFO L158 Benchmark]: Toolchain (without parser) took 33484.55ms. Allocated memory was 274.7MB in the beginning and 362.8MB in the end (delta: 88.1MB). Free memory was 183.6MB in the beginning and 134.9MB in the end (delta: 48.6MB). Peak memory consumption was 234.6MB. Max. memory is 16.1GB. [2023-11-12 02:03:48,888 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 163.6MB. Free memory is still 133.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:03:48,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 33477.67ms. Allocated memory was 274.7MB in the beginning and 362.8MB in the end (delta: 88.1MB). Free memory was 183.6MB in the beginning and 134.9MB in the end (delta: 48.6MB). Peak memory consumption was 234.6MB. Max. memory is 16.1GB. [2023-11-12 02:03:48,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 163.6MB. Free memory is still 133.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 33477.67ms. Allocated memory was 274.7MB in the beginning and 362.8MB in the end (delta: 88.1MB). Free memory was 183.6MB in the beginning and 134.9MB in the end (delta: 48.6MB). Peak memory consumption was 234.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36272]: 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_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_df_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 65b7426bfccbcde0aa079407402fe5952924228fa92314a7e6b9ec6c7d0431c9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:03:51,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:03:51,828 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-12 02:03:51,840 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:03:51,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:03:51,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-12 02:03:51,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:03:51,881 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:03:51,881 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:03:51,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:03:51,883 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:03:51,884 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:03:51,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:03:51,885 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:03:51,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:03:51,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:03:51,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:03:51,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:03:51,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:03:51,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:03:51,889 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:03:51,898 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:03:51,898 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:03:51,899 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:03:51,899 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:03:51,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:03:51,900 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:03:51,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:03:51,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:03:51,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:03:51,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:51,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:03:51,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:03:51,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:03:51,905 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:03:51,905 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:03:51,905 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:03:51,906 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:03:51,906 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:03:51,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:03:51,907 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:03:51,908 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:03:51,908 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65b7426bfccbcde0aa079407402fe5952924228fa92314a7e6b9ec6c7d0431c9 [2023-11-12 02:03:52,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:03:52,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:03:52,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:03:52,395 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:03:52,396 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:03:52,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-coreutils/instrumented_df_comb.i [2023-11-12 02:03:55,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:03:58,159 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:03:58,160 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/sv-benchmarks/c/goblint-coreutils/instrumented_df_comb.i [2023-11-12 02:03:58,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/data/f0971654c/275d802f82594f8d9f0534850ba1bd05/FLAG58942b3ae [2023-11-12 02:03:58,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a063ee0-f9fc-4e71-bd5c-73b28d71c138/bin/uautomizer-verify-uTZkv6EMXl/data/f0971654c/275d802f82594f8d9f0534850ba1bd05 [2023-11-12 02:03:58,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:03:58,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:03:58,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:58,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:03:58,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:03:58,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:58" (1/1) ... [2023-11-12 02:03:58,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9e1b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:58, skipping insertion in model container [2023-11-12 02:03:58,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:58" (1/1) ... [2023-11-12 02:03:59,185 INFO L177 MainTranslator]: Built tables and reachable declarations