./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 4fc63b2a 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_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU --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 0.2.5-dev-4fc63b2 [2024-10-31 22:10:09,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:10:09,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 22:10:09,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:10:09,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:10:09,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:10:09,676 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:10:09,677 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:10:09,678 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:10:09,679 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:10:09,679 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:10:09,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:10:09,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:10:09,680 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:10:09,681 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:10:09,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:10:09,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:10:09,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:10:09,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:10:09,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:10:09,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:10:09,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:10:09,685 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:10:09,686 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:10:09,686 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:10:09,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:10:09,687 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:10:09,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:10:09,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:10:09,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:10:09,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:10:09,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:10:09,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:10:09,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:10:09,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:10:09,690 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:10:09,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:10:09,691 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:10:09,691 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:10:09,691 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:10:09,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:10:09,692 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_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 [2024-10-31 22:10:09,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:10:10,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:10:10,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:10:10,024 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:10:10,025 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:10:10,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i Unable to find full path for "g++" [2024-10-31 22:10:12,409 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:10:14,154 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:10:14,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2024-10-31 22:10:14,314 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU/data/bf6ba64cc/693e44cf7c364ed5a4d860c16f49183c/FLAGfe658de6d [2024-10-31 22:10:14,529 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU/data/bf6ba64cc/693e44cf7c364ed5a4d860c16f49183c [2024-10-31 22:10:14,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:10:14,540 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:10:14,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:10:14,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:10:14,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:10:14,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:10:14" (1/1) ... [2024-10-31 22:10:14,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@368d8015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:14, skipping insertion in model container [2024-10-31 22:10:14,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:10:14" (1/1) ... [2024-10-31 22:10:15,100 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:10:40,397 WARN L634 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2024-10-31 22:10:40,399 WARN L634 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2024-10-31 22:10:40,400 WARN L634 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2024-10-31 22:10:40,402 WARN L634 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2024-10-31 22:10:40,404 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2024-10-31 22:10:40,406 WARN L634 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2024-10-31 22:10:40,407 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2024-10-31 22:10:40,410 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2024-10-31 22:10:40,411 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2024-10-31 22:10:40,507 WARN L634 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2024-10-31 22:10:40,706 WARN L634 FunctionHandler]: implicit declaration of function __builtin_strspn [2024-10-31 22:10:41,513 WARN L634 FunctionHandler]: implicit declaration of function __builtin_strcspn [2024-10-31 22:10:41,862 ERROR L321 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. [2024-10-31 22:10:41,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47724ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:41, skipping insertion in model container [2024-10-31 22:10:41,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:10:41,864 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-31 22:10:41,867 INFO L158 Benchmark]: Toolchain (without parser) took 27329.00ms. Allocated memory was 199.2MB in the beginning and 306.2MB in the end (delta: 107.0MB). Free memory was 112.9MB in the beginning and 92.8MB in the end (delta: 20.1MB). Peak memory consumption was 186.7MB. Max. memory is 16.1GB. [2024-10-31 22:10:41,870 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 136.3MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:10:41,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 27322.24ms. Allocated memory was 199.2MB in the beginning and 306.2MB in the end (delta: 107.0MB). Free memory was 112.9MB in the beginning and 92.8MB in the end (delta: 20.1MB). Peak memory consumption was 186.7MB. Max. memory is 16.1GB. [2024-10-31 22:10:41,874 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 136.3MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 27322.24ms. Allocated memory was 199.2MB in the beginning and 306.2MB in the end (delta: 107.0MB). Free memory was 112.9MB in the beginning and 92.8MB in the end (delta: 20.1MB). Peak memory consumption was 186.7MB. 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_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU --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 0.2.5-dev-4fc63b2 [2024-10-31 22:10:44,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:10:44,390 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-31 22:10:44,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:10:44,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:10:44,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-31 22:10:44,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:10:44,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:10:44,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:10:44,449 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:10:44,450 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:10:44,450 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:10:44,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:10:44,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:10:44,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:10:44,455 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:10:44,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:10:44,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:10:44,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:10:44,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:10:44,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:10:44,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:10:44,465 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:10:44,465 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:10:44,465 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:10:44,466 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:10:44,466 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:10:44,466 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:10:44,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:10:44,467 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:10:44,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:10:44,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:10:44,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:10:44,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:10:44,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:10:44,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:10:44,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:10:44,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:10:44,472 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:10:44,472 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:10:44,472 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:10:44,474 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:10:44,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:10:44,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:10:44,475 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:10:44,475 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_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 [2024-10-31 22:10:44,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:10:44,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:10:44,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:10:44,981 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:10:44,983 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:10:44,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1776c4b6-d0c7-4c35-a161-e19f1c088ea2/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i Unable to find full path for "g++" [2024-10-31 22:10:47,403 INFO L533 CDTParser]: Created temporary CDT project at NULL