./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 527bcce2 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_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/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_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx --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-527bcce [2023-11-21 22:07:18,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:07:18,973 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-21 22:07:18,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:07:18,983 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:07:19,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:07:19,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:07:19,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:07:19,034 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:07:19,040 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:07:19,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:07:19,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:07:19,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:07:19,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:07:19,044 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:07:19,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:07:19,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:07:19,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:07:19,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:07:19,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:07:19,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:07:19,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:07:19,050 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:07:19,050 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:07:19,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:07:19,051 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:07:19,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:07:19,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:07:19,053 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:07:19,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:07:19,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:07:19,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:07:19,055 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:07:19,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:07:19,056 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:07:19,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:07:19,056 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:07:19,057 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:07:19,057 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:07:19,057 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:07:19,057 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:07:19,058 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_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f7be000be519abe1ca18329c9838ba75d5c3631e353184761c039203f134940 [2023-11-21 22:07:19,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:07:19,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:07:19,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:07:19,489 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:07:19,490 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:07:19,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i [2023-11-21 22:07:22,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:07:25,141 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:07:25,142 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i [2023-11-21 22:07:25,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/data/2eb850b08/a472970766b14c00b2306209f71597c6/FLAG7b193d8b8 [2023-11-21 22:07:25,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/data/2eb850b08/a472970766b14c00b2306209f71597c6 [2023-11-21 22:07:25,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:07:25,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:07:25,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:25,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:07:25,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:07:25,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:25" (1/1) ... [2023-11-21 22:07:25,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36bcfdf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:25, skipping insertion in model container [2023-11-21 22:07:25,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:25" (1/1) ... [2023-11-21 22:07:26,339 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:07:55,399 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-21 22:07:55,400 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-21 22:07:55,402 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-21 22:07:55,403 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-21 22:07:55,416 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-21 22:07:55,418 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-21 22:07:55,420 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-21 22:07:55,424 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-21 22:07:55,426 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-21 22:07:55,504 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-21 22:07:55,685 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-21 22:07:56,576 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-21 22:07:56,900 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. [2023-11-21 22:07:56,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78b22af7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:56, skipping insertion in model container [2023-11-21 22:07:56,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:56,903 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-21 22:07:56,905 INFO L158 Benchmark]: Toolchain (without parser) took 31478.82ms. Allocated memory was 142.6MB in the beginning and 323.0MB in the end (delta: 180.4MB). Free memory was 72.3MB in the beginning and 141.9MB in the end (delta: -69.5MB). Peak memory consumption was 233.5MB. Max. memory is 16.1GB. [2023-11-21 22:07:56,906 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 63.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:07:56,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 31473.33ms. Allocated memory was 142.6MB in the beginning and 323.0MB in the end (delta: 180.4MB). Free memory was 71.8MB in the beginning and 141.9MB in the end (delta: -70.0MB). Peak memory consumption was 233.5MB. Max. memory is 16.1GB. [2023-11-21 22:07:56,909 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 63.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 31473.33ms. Allocated memory was 142.6MB in the beginning and 323.0MB in the end (delta: 180.4MB). Free memory was 71.8MB in the beginning and 141.9MB in the end (delta: -70.0MB). Peak memory consumption was 233.5MB. 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_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/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_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx --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-527bcce [2023-11-21 22:07:59,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:07:59,521 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-21 22:07:59,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:07:59,534 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:07:59,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-21 22:07:59,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:07:59,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:07:59,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:07:59,588 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:07:59,589 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:07:59,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:07:59,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:07:59,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:07:59,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:07:59,593 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:07:59,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:07:59,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:07:59,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:07:59,596 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:07:59,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:07:59,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:07:59,598 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:07:59,598 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:07:59,599 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:07:59,600 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:07:59,600 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:07:59,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:07:59,601 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:07:59,602 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:07:59,603 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:07:59,604 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:07:59,604 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:07:59,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:07:59,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:07:59,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:07:59,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:07:59,607 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:07:59,607 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:07:59,607 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:07:59,608 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:07:59,608 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:07:59,608 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:07:59,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:07:59,609 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:07:59,610 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_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f7be000be519abe1ca18329c9838ba75d5c3631e353184761c039203f134940 [2023-11-21 22:08:00,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:08:00,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:08:00,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:08:00,119 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:08:00,119 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:08:00,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i [2023-11-21 22:08:03,382 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:08:05,673 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:08:05,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i [2023-11-21 22:08:05,846 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/data/b12c1739d/9a3beeef08a24c319e208c401f9bfaf6/FLAG061803417 [2023-11-21 22:08:05,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f401789-6301-40f0-b786-87992571eba5/bin/uautomizer-verify-bycVGegfSx/data/b12c1739d/9a3beeef08a24c319e208c401f9bfaf6 [2023-11-21 22:08:05,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:08:05,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:08:05,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:08:05,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:08:05,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:08:05,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:08:05" (1/1) ... [2023-11-21 22:08:05,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32830999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:05, skipping insertion in model container [2023-11-21 22:08:05,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:08:05" (1/1) ... [2023-11-21 22:08:06,755 INFO L177 MainTranslator]: Built tables and reachable declarations