./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 0e0057cc 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_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme --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 0.2.4-dev-0e0057c [2023-11-26 10:48:14,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:48:14,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 10:48:15,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:48:15,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:48:15,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:48:15,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:48:15,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:48:15,047 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:48:15,048 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:48:15,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:48:15,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:48:15,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:48:15,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:48:15,055 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:48:15,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:48:15,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:48:15,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:48:15,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:48:15,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:48:15,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:48:15,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:48:15,059 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:48:15,059 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:48:15,060 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:48:15,060 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:48:15,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:48:15,061 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:48:15,062 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:48:15,062 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:48:15,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:15,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:48:15,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:48:15,064 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:48:15,064 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:48:15,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:48:15,065 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:48:15,065 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:48:15,065 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:48:15,066 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:48:15,066 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:48:15,066 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_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983abd99a19c0fb2c299fef3c5e968ab6393a073f240f1283828f218ef38f546 [2023-11-26 10:48:15,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:48:15,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:48:15,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:48:15,410 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:48:15,411 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:48:15,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i [2023-11-26 10:48:18,435 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:48:20,494 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:48:20,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i [2023-11-26 10:48:20,760 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/data/57c4f935a/619a13dcd4f6403eb45689b38fa7929d/FLAGe3de87383 [2023-11-26 10:48:20,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/data/57c4f935a/619a13dcd4f6403eb45689b38fa7929d [2023-11-26 10:48:20,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:48:20,786 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:48:20,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:20,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:48:20,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:48:20,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:20" (1/1) ... [2023-11-26 10:48:20,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7796ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:20, skipping insertion in model container [2023-11-26 10:48:20,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:20" (1/1) ... [2023-11-26 10:48:21,432 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:48:51,353 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-26 10:48:51,354 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-26 10:48:51,355 WARN L638 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-26 10:48:51,356 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-26 10:48:51,358 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-26 10:48:51,358 WARN L638 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-26 10:48:51,359 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-26 10:48:51,361 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-26 10:48:51,362 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-26 10:48:51,402 WARN L638 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-26 10:48:51,584 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-26 10:48:52,387 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-26 10:48:52,805 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. [2023-11-26 10:48:52,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c015465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:52, skipping insertion in model container [2023-11-26 10:48:52,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:52,807 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-26 10:48:52,810 INFO L158 Benchmark]: Toolchain (without parser) took 32022.14ms. Allocated memory was 199.2MB in the beginning and 346.0MB in the end (delta: 146.8MB). Free memory was 102.1MB in the beginning and 85.9MB in the end (delta: 16.3MB). Peak memory consumption was 227.0MB. Max. memory is 16.1GB. [2023-11-26 10:48:52,810 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory was 112.8MB in the beginning and 112.6MB in the end (delta: 153.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:48:52,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 32019.01ms. Allocated memory was 199.2MB in the beginning and 346.0MB in the end (delta: 146.8MB). Free memory was 101.3MB in the beginning and 85.9MB in the end (delta: 15.4MB). Peak memory consumption was 222.8MB. Max. memory is 16.1GB. [2023-11-26 10:48:52,814 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory was 112.8MB in the beginning and 112.6MB in the end (delta: 153.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 32019.01ms. Allocated memory was 199.2MB in the beginning and 346.0MB in the end (delta: 146.8MB). Free memory was 101.3MB in the beginning and 85.9MB in the end (delta: 15.4MB). Peak memory consumption was 222.8MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme --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 0.2.4-dev-0e0057c [2023-11-26 10:48:55,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:48:55,502 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-26 10:48:55,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:48:55,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:48:55,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-26 10:48:55,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:48:55,558 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:48:55,558 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:48:55,563 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:48:55,564 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:48:55,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:48:55,565 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:48:55,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:48:55,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:48:55,568 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:48:55,569 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:48:55,569 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:48:55,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:48:55,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:48:55,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:48:55,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:48:55,572 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:48:55,573 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:48:55,573 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:48:55,574 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:48:55,574 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:48:55,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:48:55,575 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:48:55,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:48:55,577 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:48:55,577 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:48:55,578 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:48:55,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:55,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:48:55,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:48:55,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:48:55,580 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:48:55,580 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:48:55,580 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:48:55,581 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:48:55,581 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:48:55,581 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:48:55,582 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:48:55,582 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:48:55,599 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_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983abd99a19c0fb2c299fef3c5e968ab6393a073f240f1283828f218ef38f546 [2023-11-26 10:48:56,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:48:56,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:48:56,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:48:56,055 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:48:56,055 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:48:56,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i [2023-11-26 10:48:59,363 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:49:01,428 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:49:01,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i [2023-11-26 10:49:01,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/data/e6eb6cadc/e4af4c39ebf6442d8cd7b4778ee03b59/FLAG7afc56fc3 [2023-11-26 10:49:01,822 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42c94ca-5c7d-4d17-9c8b-6d24457cbf99/bin/uautomizer-verify-VRDe98Ueme/data/e6eb6cadc/e4af4c39ebf6442d8cd7b4778ee03b59 [2023-11-26 10:49:01,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:49:01,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:49:01,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:49:01,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:49:01,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:49:01,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:49:01" (1/1) ... [2023-11-26 10:49:01,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@399dd66e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:01, skipping insertion in model container [2023-11-26 10:49:01,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:49:01" (1/1) ... [2023-11-26 10:49:02,580 INFO L177 MainTranslator]: Built tables and reachable declarations