./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_du_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_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu --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 983abd99a19c0fb2c299fef3c5e968ab6393a073f240f1283828f218ef38f546 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:43:45,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:43:45,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-19 07:43:45,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:43:45,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:43:45,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:43:45,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:43:45,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:43:45,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:43:45,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:43:45,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:43:45,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:43:45,448 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:43:45,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:43:45,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:43:45,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:43:45,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:43:45,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:43:45,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:43:45,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:43:45,452 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:43:45,455 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:43:45,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:43:45,457 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:43:45,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:43:45,458 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:43:45,459 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:43:45,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:43:45,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:43:45,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:43:45,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:43:45,462 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:43:45,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:43:45,462 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:43:45,463 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:43:45,463 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:43:45,463 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:43:45,463 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:43:45,464 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_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983abd99a19c0fb2c299fef3c5e968ab6393a073f240f1283828f218ef38f546 [2023-11-19 07:43:45,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:43:45,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:43:45,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:43:45,765 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:43:45,766 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:43:45,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i [2023-11-19 07:43:48,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:43:51,413 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:43:51,414 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i [2023-11-19 07:43:51,679 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/data/183a8e5a1/1327c76d050f4f21af2fe14a0b25b81c/FLAG4885d8c0f [2023-11-19 07:43:51,701 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/data/183a8e5a1/1327c76d050f4f21af2fe14a0b25b81c [2023-11-19 07:43:51,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:43:51,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:43:51,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:43:51,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:43:51,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:43:51,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:43:51" (1/1) ... [2023-11-19 07:43:51,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@757fed61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:51, skipping insertion in model container [2023-11-19 07:43:51,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:43:51" (1/1) ... [2023-11-19 07:43:52,529 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:44:24,435 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-19 07:44:24,436 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-19 07:44:24,437 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-19 07:44:24,439 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-19 07:44:24,451 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-19 07:44:24,453 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-19 07:44:24,455 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-19 07:44:24,459 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-19 07:44:24,463 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-19 07:44:24,541 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-19 07:44:24,723 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-19 07:44:25,510 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-19 07:44:26,054 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 07:44:26,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68ef208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:26, skipping insertion in model container [2023-11-19 07:44:26,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:26,063 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 07:44:26,065 INFO L158 Benchmark]: Toolchain (without parser) took 34351.17ms. Allocated memory was 186.6MB in the beginning and 360.7MB in the end (delta: 174.1MB). Free memory was 90.8MB in the beginning and 214.2MB in the end (delta: -123.4MB). Peak memory consumption was 223.6MB. Max. memory is 16.1GB. [2023-11-19 07:44:26,081 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 140.5MB. Free memory is still 113.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:44:26,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 34346.36ms. Allocated memory was 186.6MB in the beginning and 360.7MB in the end (delta: 174.1MB). Free memory was 90.8MB in the beginning and 214.2MB in the end (delta: -123.4MB). Peak memory consumption was 223.6MB. Max. memory is 16.1GB. [2023-11-19 07:44:26,083 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 140.5MB. Free memory is still 113.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 34346.36ms. Allocated memory was 186.6MB in the beginning and 360.7MB in the end (delta: 174.1MB). Free memory was 90.8MB in the beginning and 214.2MB in the end (delta: -123.4MB). Peak memory consumption was 223.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 37852]: 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_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu --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 983abd99a19c0fb2c299fef3c5e968ab6393a073f240f1283828f218ef38f546 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:44:28,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:44:28,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-19 07:44:28,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:44:28,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:44:28,900 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-19 07:44:28,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:44:28,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:44:28,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:44:28,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:44:28,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:44:28,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:44:28,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:44:28,953 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:44:28,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:44:28,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:44:28,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:44:28,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:44:28,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:44:28,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:44:28,956 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:44:28,957 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:44:28,957 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:44:28,958 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:44:28,958 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:44:28,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:44:28,959 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:44:28,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:44:28,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:44:28,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:44:28,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:44:28,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:44:28,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:44:28,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:44:28,963 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:44:28,963 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:44:28,964 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:44:28,964 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:44:28,964 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:44:28,965 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:44:28,965 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:44:28,966 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:44:28,966 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_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983abd99a19c0fb2c299fef3c5e968ab6393a073f240f1283828f218ef38f546 [2023-11-19 07:44:29,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:44:29,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:44:29,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:44:29,390 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:44:29,390 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:44:29,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i [2023-11-19 07:44:32,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:44:34,706 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:44:34,708 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i [2023-11-19 07:44:35,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/data/76216c6bb/7c36d219883147eca7ece9e6c3f18f12/FLAG730b6aa9a [2023-11-19 07:44:35,057 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d508d6-519e-4f62-b819-ba9f6a0cb23e/bin/uautomizer-verify-uCwYo4JHxu/data/76216c6bb/7c36d219883147eca7ece9e6c3f18f12 [2023-11-19 07:44:35,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:44:35,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:44:35,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:35,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:44:35,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:44:35,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:35" (1/1) ... [2023-11-19 07:44:35,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3334cb74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:35, skipping insertion in model container [2023-11-19 07:44:35,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:35" (1/1) ... [2023-11-19 07:44:35,845 INFO L177 MainTranslator]: Built tables and reachable declarations