./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ --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 bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:39:49,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:39:49,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-23 22:39:49,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:39:49,113 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:39:49,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:39:49,161 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:39:49,162 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:39:49,163 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:39:49,170 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:39:49,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:39:49,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:39:49,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:39:49,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:39:49,174 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:39:49,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:39:49,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:39:49,175 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:39:49,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:39:49,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:39:49,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:39:49,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:39:49,178 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 22:39:49,178 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:39:49,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:39:49,179 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:39:49,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:39:49,180 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:39:49,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:39:49,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:39:49,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:39:49,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:39:49,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:39:49,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:39:49,183 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:39:49,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:39:49,184 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:39:49,184 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:39:49,184 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:39:49,185 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:39:49,185 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:39:49,185 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_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 [2023-11-23 22:39:49,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:39:49,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:39:49,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:39:49,500 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:39:49,501 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:39:49,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2023-11-23 22:39:52,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:39:54,660 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:39:54,660 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2023-11-23 22:39:54,824 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/data/5743ce7dd/4ef5f37aedc94fb3bd0a85ed0054c4f1/FLAG9c5191c8e [2023-11-23 22:39:54,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/data/5743ce7dd/4ef5f37aedc94fb3bd0a85ed0054c4f1 [2023-11-23 22:39:54,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:39:54,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:39:54,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:39:54,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:39:54,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:39:54,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:39:54" (1/1) ... [2023-11-23 22:39:54,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1d6a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:54, skipping insertion in model container [2023-11-23 22:39:54,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:39:54" (1/1) ... [2023-11-23 22:39:55,789 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:40:24,683 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-23 22:40:24,691 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-23 22:40:24,693 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-23 22:40:24,695 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-23 22:40:24,706 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-23 22:40:24,709 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-23 22:40:24,715 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-23 22:40:24,720 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-23 22:40:24,728 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-23 22:40:24,803 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-23 22:40:25,010 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-23 22:40:25,668 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-23 22:40:26,202 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. [2023-11-23 22:40:26,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7437a250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:26, skipping insertion in model container [2023-11-23 22:40:26,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:40:26,204 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 22:40:26,207 INFO L158 Benchmark]: Toolchain (without parser) took 31347.91ms. Allocated memory was 192.9MB in the beginning and 350.2MB in the end (delta: 157.3MB). Free memory was 103.9MB in the beginning and 191.9MB in the end (delta: -88.1MB). Peak memory consumption was 242.0MB. Max. memory is 16.1GB. [2023-11-23 22:40:26,208 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory was 71.5MB in the beginning and 71.5MB in the end (delta: 76.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:40:26,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 31344.60ms. Allocated memory was 192.9MB in the beginning and 350.2MB in the end (delta: 157.3MB). Free memory was 103.9MB in the beginning and 191.9MB in the end (delta: -88.1MB). Peak memory consumption was 242.0MB. Max. memory is 16.1GB. [2023-11-23 22:40:26,212 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 113.2MB. Free memory was 71.5MB in the beginning and 71.5MB in the end (delta: 76.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 31344.60ms. Allocated memory was 192.9MB in the beginning and 350.2MB in the end (delta: 157.3MB). Free memory was 103.9MB in the beginning and 191.9MB in the end (delta: -88.1MB). Peak memory consumption was 242.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 35847]: 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_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ --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 bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:40:28,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:40:28,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-23 22:40:28,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:40:28,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:40:28,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-23 22:40:28,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:40:28,696 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:40:28,696 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:40:28,697 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:40:28,698 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:40:28,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:40:28,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:40:28,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:40:28,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:40:28,704 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:40:28,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:40:28,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:40:28,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:40:28,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:40:28,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:40:28,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:40:28,712 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 22:40:28,712 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 22:40:28,712 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 22:40:28,713 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 22:40:28,713 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:40:28,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:40:28,714 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:40:28,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:40:28,716 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:40:28,716 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:40:28,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:40:28,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:40:28,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:40:28,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:40:28,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:40:28,719 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 22:40:28,719 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 22:40:28,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:40:28,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:40:28,720 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:40:28,720 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:40:28,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:40:28,721 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 22:40:28,721 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_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 [2023-11-23 22:40:29,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:40:29,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:40:29,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:40:29,159 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:40:29,161 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:40:29,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2023-11-23 22:40:32,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:40:34,658 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:40:34,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2023-11-23 22:40:34,820 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/data/839c2ee69/e1ed1229e73c4b9883f9f7bb9b39bc9d/FLAG10f688d7b [2023-11-23 22:40:34,844 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5fa445-a98f-46d4-a289-3a435983190f/bin/uautomizer-verify-zZY32mL2XJ/data/839c2ee69/e1ed1229e73c4b9883f9f7bb9b39bc9d [2023-11-23 22:40:34,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:40:34,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:40:34,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:40:34,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:40:34,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:40:34,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:40:34" (1/1) ... [2023-11-23 22:40:34,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571a2342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:34, skipping insertion in model container [2023-11-23 22:40:34,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:40:34" (1/1) ... [2023-11-23 22:40:35,654 INFO L177 MainTranslator]: Built tables and reachable declarations