./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_84dd03e8-781f-4d20-a5f5-231ef5fa660b/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd03e8-781f-4d20-a5f5-231ef5fa660b/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_84dd03e8-781f-4d20-a5f5-231ef5fa660b/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd03e8-781f-4d20-a5f5-231ef5fa660b/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd03e8-781f-4d20-a5f5-231ef5fa660b/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_84dd03e8-781f-4d20-a5f5-231ef5fa660b/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 43a21227e28ea1d3dea5c269e9a8aec5d2ff980f267bc89951928cd0fc79730a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:55:15,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:55:15,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd03e8-781f-4d20-a5f5-231ef5fa660b/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 11:55:15,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:55:15,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:55:15,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:55:15,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:55:15,868 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:55:15,869 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:55:15,874 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:55:15,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:55:15,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:55:15,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:55:15,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:55:15,879 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:55:15,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:55:15,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:55:15,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:55:15,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:55:15,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:55:15,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:55:15,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:55:15,883 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:55:15,883 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:55:15,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:55:15,884 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:55:15,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:55:15,886 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:55:15,886 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:55:15,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:55:15,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:55:15,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:55:15,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:55:15,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:55:15,889 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:55:15,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:55:15,890 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:55:15,890 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:55:15,890 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:55:15,891 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:55:15,891 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:55:15,891 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_84dd03e8-781f-4d20-a5f5-231ef5fa660b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd03e8-781f-4d20-a5f5-231ef5fa660b/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43a21227e28ea1d3dea5c269e9a8aec5d2ff980f267bc89951928cd0fc79730a [2023-11-26 11:55:16,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:55:16,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:55:16,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:55:16,225 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:55:16,225 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:55:16,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd03e8-781f-4d20-a5f5-231ef5fa660b/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i [2023-11-26 11:55:19,447 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:55:21,322 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:55:21,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd03e8-781f-4d20-a5f5-231ef5fa660b/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i [2023-11-26 11:55:21,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd03e8-781f-4d20-a5f5-231ef5fa660b/bin/uautomizer-verify-VRDe98Ueme/data/3a79a4ad6/fffde0080a2f4040ba7b60e2c1a4c5da/FLAGb8105b764 [2023-11-26 11:55:21,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd03e8-781f-4d20-a5f5-231ef5fa660b/bin/uautomizer-verify-VRDe98Ueme/data/3a79a4ad6/fffde0080a2f4040ba7b60e2c1a4c5da [2023-11-26 11:55:21,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:55:21,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:55:21,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:55:21,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:55:21,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:55:21,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:55:21" (1/1) ... [2023-11-26 11:55:21,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb70a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:21, skipping insertion in model container [2023-11-26 11:55:21,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:55:21" (1/1) ... [2023-11-26 11:55:22,269 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:55:50,389 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-26 11:55:50,391 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-26 11:55:50,392 WARN L638 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-26 11:55:50,393 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-26 11:55:50,395 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-26 11:55:50,396 WARN L638 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-26 11:55:50,397 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-26 11:55:50,400 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-26 11:55:50,401 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-26 11:55:50,443 WARN L638 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-26 11:55:50,591 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-26 11:55:51,617 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-26 11:55:52,020 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 11:55:52,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69514517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:52, skipping insertion in model container [2023-11-26 11:55:52,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:55:52,023 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-26 11:55:52,026 INFO L158 Benchmark]: Toolchain (without parser) took 30421.40ms. Allocated memory was 182.5MB in the beginning and 339.7MB in the end (delta: 157.3MB). Free memory was 96.1MB in the beginning and 160.9MB in the end (delta: -64.7MB). Peak memory consumption was 191.1MB. Max. memory is 16.1GB. [2023-11-26 11:55:52,027 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:55:52,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 30417.27ms. Allocated memory was 182.5MB in the beginning and 339.7MB in the end (delta: 157.3MB). Free memory was 96.1MB in the beginning and 161.9MB in the end (delta: -65.8MB). Peak memory consumption was 191.1MB. Max. memory is 16.1GB. [2023-11-26 11:55:52,031 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 117.4MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 30417.27ms. Allocated memory was 182.5MB in the beginning and 339.7MB in the end (delta: 157.3MB). Free memory was 96.1MB in the beginning and 161.9MB in the end (delta: -65.8MB). Peak memory consumption was 191.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 35904]: 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_84dd03e8-781f-4d20-a5f5-231ef5fa660b/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd03e8-781f-4d20-a5f5-231ef5fa660b/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_84dd03e8-781f-4d20-a5f5-231ef5fa660b/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd03e8-781f-4d20-a5f5-231ef5fa660b/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd03e8-781f-4d20-a5f5-231ef5fa660b/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_84dd03e8-781f-4d20-a5f5-231ef5fa660b/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 43a21227e28ea1d3dea5c269e9a8aec5d2ff980f267bc89951928cd0fc79730a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:55:54,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:55:54,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd03e8-781f-4d20-a5f5-231ef5fa660b/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-26 11:55:54,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:55:54,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:55:54,714 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-26 11:55:54,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:55:54,764 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:55:54,765 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:55:54,770 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:55:54,771 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:55:54,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:55:54,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:55:54,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:55:54,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:55:54,775 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:55:54,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:55:54,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:55:54,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:55:54,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:55:54,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:55:54,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:55:54,781 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:55:54,781 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:55:54,782 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:55:54,782 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:55:54,783 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:55:54,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:55:54,784 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:55:54,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:55:54,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:55:54,786 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:55:54,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:55:54,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:55:54,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:55:54,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:55:54,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:55:54,789 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:55:54,789 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:55:54,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:55:54,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:55:54,790 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:55:54,791 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:55:54,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:55:54,792 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:55:54,792 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_84dd03e8-781f-4d20-a5f5-231ef5fa660b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd03e8-781f-4d20-a5f5-231ef5fa660b/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43a21227e28ea1d3dea5c269e9a8aec5d2ff980f267bc89951928cd0fc79730a [2023-11-26 11:55:55,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:55:55,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:55:55,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:55:55,276 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:55:55,277 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:55:55,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd03e8-781f-4d20-a5f5-231ef5fa660b/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i [2023-11-26 11:55:58,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:56:00,739 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:56:00,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd03e8-781f-4d20-a5f5-231ef5fa660b/sv-benchmarks/c/goblint-coreutils/instrumented_cksum_comb.i [2023-11-26 11:56:00,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd03e8-781f-4d20-a5f5-231ef5fa660b/bin/uautomizer-verify-VRDe98Ueme/data/bdf26bb88/a87b0eefa2324a5585ed6936765d3cd1/FLAGcdd357d4e [2023-11-26 11:56:00,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd03e8-781f-4d20-a5f5-231ef5fa660b/bin/uautomizer-verify-VRDe98Ueme/data/bdf26bb88/a87b0eefa2324a5585ed6936765d3cd1 [2023-11-26 11:56:00,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:56:00,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:56:00,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:00,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:56:00,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:56:00,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:00" (1/1) ... [2023-11-26 11:56:00,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f12d0a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:00, skipping insertion in model container [2023-11-26 11:56:00,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:00" (1/1) ... [2023-11-26 11:56:01,747 INFO L177 MainTranslator]: Built tables and reachable declarations