./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_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_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/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_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/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_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/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 0f7be000be519abe1ca18329c9838ba75d5c3631e353184761c039203f134940 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:00:53,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:00:53,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-19 08:00:53,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:00:53,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:00:53,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:00:53,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:00:53,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:00:53,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:00:53,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:00:53,493 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:00:53,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:00:53,494 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:00:53,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:00:53,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:00:53,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:00:53,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:00:53,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:00:53,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:00:53,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:00:53,500 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 08:00:53,500 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:00:53,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:00:53,501 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:00:53,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:00:53,503 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:00:53,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:00:53,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:53,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:00:53,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:00:53,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:00:53,507 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:00:53,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:00:53,507 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:00:53,507 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:00:53,507 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:00:53,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:00:53,508 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:00:53,509 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_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f7be000be519abe1ca18329c9838ba75d5c3631e353184761c039203f134940 [2023-11-19 08:00:53,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:00:53,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:00:53,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:00:53,912 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:00:53,913 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:00:53,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i [2023-11-19 08:00:57,081 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:00:59,119 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:00:59,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i [2023-11-19 08:00:59,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/bin/uautomizer-verify-uCwYo4JHxu/data/6f34a14b2/ad1f68a3dbbf4498b20152bc9c545d0c/FLAG53f3cdb93 [2023-11-19 08:00:59,341 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/bin/uautomizer-verify-uCwYo4JHxu/data/6f34a14b2/ad1f68a3dbbf4498b20152bc9c545d0c [2023-11-19 08:00:59,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:00:59,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:00:59,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:59,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:00:59,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:00:59,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:59" (1/1) ... [2023-11-19 08:00:59,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed3ba74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:59, skipping insertion in model container [2023-11-19 08:00:59,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:59" (1/1) ... [2023-11-19 08:00:59,975 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:01:28,357 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-19 08:01:28,359 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-19 08:01:28,360 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-19 08:01:28,361 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-19 08:01:28,363 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-19 08:01:28,364 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-19 08:01:28,366 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-19 08:01:28,368 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-19 08:01:28,370 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-19 08:01:28,419 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-19 08:01:28,579 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-19 08:01:29,455 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-19 08:01:29,779 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 08:01:29,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@350a7c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:29, skipping insertion in model container [2023-11-19 08:01:29,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:29,781 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 08:01:29,784 INFO L158 Benchmark]: Toolchain (without parser) took 30437.16ms. Allocated memory was 207.6MB in the beginning and 299.9MB in the end (delta: 92.3MB). Free memory was 127.7MB in the beginning and 74.8MB in the end (delta: 53.0MB). Peak memory consumption was 195.7MB. Max. memory is 16.1GB. [2023-11-19 08:01:29,785 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:01:29,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 30434.16ms. Allocated memory was 207.6MB in the beginning and 299.9MB in the end (delta: 92.3MB). Free memory was 127.7MB in the beginning and 74.8MB in the end (delta: 53.0MB). Peak memory consumption was 195.7MB. Max. memory is 16.1GB. [2023-11-19 08:01:29,789 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 30434.16ms. Allocated memory was 207.6MB in the beginning and 299.9MB in the end (delta: 92.3MB). Free memory was 127.7MB in the beginning and 74.8MB in the end (delta: 53.0MB). Peak memory consumption was 195.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 35901]: 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_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/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_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/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_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/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 0f7be000be519abe1ca18329c9838ba75d5c3631e353184761c039203f134940 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:01:32,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:01:32,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-19 08:01:32,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:01:32,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:01:32,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-19 08:01:32,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:01:32,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:01:32,705 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:01:32,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:01:32,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:01:32,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:01:32,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:01:32,714 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:01:32,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:01:32,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:01:32,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:01:32,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:01:32,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:01:32,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:01:32,720 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:01:32,721 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:01:32,721 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 08:01:32,722 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:01:32,723 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:01:32,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:01:32,724 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:01:32,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:01:32,725 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:01:32,726 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:01:32,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:32,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:01:32,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:01:32,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:01:32,729 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:01:32,729 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:01:32,730 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:01:32,730 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:01:32,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:01:32,732 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:01:32,732 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:01:32,733 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:01:32,733 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_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f7be000be519abe1ca18329c9838ba75d5c3631e353184761c039203f134940 [2023-11-19 08:01:33,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:01:33,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:01:33,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:01:33,224 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:01:33,224 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:01:33,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i [2023-11-19 08:01:36,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:01:38,478 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:01:38,480 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i [2023-11-19 08:01:38,682 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/bin/uautomizer-verify-uCwYo4JHxu/data/8681bf0af/7bb881fd2e3348d0bfb629159b3a76ae/FLAG8b842ad9d [2023-11-19 08:01:38,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bdff14-cd89-4ac4-9aa5-b42036f51ee0/bin/uautomizer-verify-uCwYo4JHxu/data/8681bf0af/7bb881fd2e3348d0bfb629159b3a76ae [2023-11-19 08:01:38,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:01:38,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:01:38,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:38,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:01:38,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:01:38,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:38" (1/1) ... [2023-11-19 08:01:38,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21d7c578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:38, skipping insertion in model container [2023-11-19 08:01:38,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:38" (1/1) ... [2023-11-19 08:01:39,552 INFO L177 MainTranslator]: Built tables and reachable declarations