./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/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_08938841-5764-49c2-91ad-cdb9442336a2/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/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_08938841-5764-49c2-91ad-cdb9442336a2/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 983abd99a19c0fb2c299fef3c5e968ab6393a073f240f1283828f218ef38f546 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:19:03,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:19:03,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-21 22:19:03,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:19:03,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:19:03,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:19:03,489 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:19:03,490 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:19:03,491 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:19:03,492 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:19:03,492 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:19:03,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:19:03,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:19:03,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:19:03,495 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:19:03,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:19:03,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:19:03,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:19:03,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:19:03,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:19:03,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:19:03,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:19:03,501 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:19:03,501 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:19:03,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:19:03,502 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:19:03,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:19:03,503 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:19:03,504 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:19:03,504 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:19:03,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:19:03,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:19:03,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:19:03,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:19:03,506 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:19:03,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:19:03,507 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:19:03,507 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:19:03,508 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:19:03,508 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:19:03,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:19:03,509 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_08938841-5764-49c2-91ad-cdb9442336a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983abd99a19c0fb2c299fef3c5e968ab6393a073f240f1283828f218ef38f546 [2023-11-21 22:19:03,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:19:03,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:19:03,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:19:03,892 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:19:03,893 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:19:03,894 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i [2023-11-21 22:19:07,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:19:09,118 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:19:09,118 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i [2023-11-21 22:19:09,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/bin/uautomizer-verify-bycVGegfSx/data/83718e77e/7b1895a4e78d4051923211d7cf3d434e/FLAG4ada346bd [2023-11-21 22:19:09,445 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/bin/uautomizer-verify-bycVGegfSx/data/83718e77e/7b1895a4e78d4051923211d7cf3d434e [2023-11-21 22:19:09,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:19:09,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:19:09,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:19:09,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:19:09,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:19:09,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:09" (1/1) ... [2023-11-21 22:19:09,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2676cf2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:09, skipping insertion in model container [2023-11-21 22:19:09,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:09" (1/1) ... [2023-11-21 22:19:10,132 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:19:42,327 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-21 22:19:42,329 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-21 22:19:42,330 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-21 22:19:42,331 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-21 22:19:42,334 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-21 22:19:42,335 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-21 22:19:42,336 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-21 22:19:42,339 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-21 22:19:42,340 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-21 22:19:42,399 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-21 22:19:42,674 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-21 22:19:43,693 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-21 22:19:44,110 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 22:19:44,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41ba2ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:44, skipping insertion in model container [2023-11-21 22:19:44,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:19:44,112 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-21 22:19:44,114 INFO L158 Benchmark]: Toolchain (without parser) took 34663.42ms. Allocated memory was 148.9MB in the beginning and 331.4MB in the end (delta: 182.5MB). Free memory was 59.2MB in the beginning and 108.8MB in the end (delta: -49.6MB). Peak memory consumption was 194.2MB. Max. memory is 16.1GB. [2023-11-21 22:19:44,115 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory was 93.8MB in the beginning and 93.7MB in the end (delta: 82.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:19:44,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 34660.48ms. Allocated memory was 148.9MB in the beginning and 331.4MB in the end (delta: 182.5MB). Free memory was 59.2MB in the beginning and 108.8MB in the end (delta: -49.6MB). Peak memory consumption was 194.2MB. Max. memory is 16.1GB. [2023-11-21 22:19:44,118 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory was 93.8MB in the beginning and 93.7MB in the end (delta: 82.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 34660.48ms. Allocated memory was 148.9MB in the beginning and 331.4MB in the end (delta: 182.5MB). Free memory was 59.2MB in the beginning and 108.8MB in the end (delta: -49.6MB). Peak memory consumption was 194.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 37852]: Unsupported Syntax The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/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_08938841-5764-49c2-91ad-cdb9442336a2/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/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_08938841-5764-49c2-91ad-cdb9442336a2/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 983abd99a19c0fb2c299fef3c5e968ab6393a073f240f1283828f218ef38f546 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:19:46,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:19:46,655 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-21 22:19:46,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:19:46,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:19:46,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-21 22:19:46,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:19:46,709 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:19:46,709 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:19:46,714 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:19:46,715 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:19:46,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:19:46,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:19:46,718 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:19:46,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:19:46,719 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:19:46,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:19:46,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:19:46,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:19:46,721 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:19:46,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:19:46,722 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:19:46,722 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:19:46,723 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:19:46,723 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:19:46,724 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:19:46,724 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:19:46,725 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:19:46,725 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:19:46,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:19:46,727 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:19:46,727 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:19:46,727 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:19:46,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:19:46,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:19:46,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:19:46,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:19:46,730 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:19:46,730 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:19:46,730 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:19:46,730 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:19:46,731 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:19:46,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:19:46,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:19:46,732 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:19:46,732 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_08938841-5764-49c2-91ad-cdb9442336a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983abd99a19c0fb2c299fef3c5e968ab6393a073f240f1283828f218ef38f546 [2023-11-21 22:19:47,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:19:47,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:19:47,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:19:47,151 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:19:47,151 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:19:47,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i [2023-11-21 22:19:50,316 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:19:52,529 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:19:52,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i [2023-11-21 22:19:52,780 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/bin/uautomizer-verify-bycVGegfSx/data/f0d2ec309/0569f0dbeadd4d118141ecaf8e2281de/FLAG94b14ee92 [2023-11-21 22:19:52,794 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08938841-5764-49c2-91ad-cdb9442336a2/bin/uautomizer-verify-bycVGegfSx/data/f0d2ec309/0569f0dbeadd4d118141ecaf8e2281de [2023-11-21 22:19:52,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:19:52,798 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:19:52,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:19:52,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:19:52,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:19:52,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:52" (1/1) ... [2023-11-21 22:19:52,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e489dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:52, skipping insertion in model container [2023-11-21 22:19:52,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:52" (1/1) ... [2023-11-21 22:19:53,647 INFO L177 MainTranslator]: Built tables and reachable declarations