./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_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_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/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_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/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_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/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 935f88b4e8d3c594a969e02830dc0e71e1824c543ec1edef55d689968d17ba50 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:49:12,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:49:12,986 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 11:49:12,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:49:12,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:49:13,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:49:13,022 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:49:13,023 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:49:13,024 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:49:13,024 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:49:13,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:49:13,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:49:13,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:49:13,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:49:13,028 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:49:13,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:49:13,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:49:13,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:49:13,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:49:13,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:49:13,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:49:13,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:49:13,040 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:49:13,041 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:49:13,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:49:13,042 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:49:13,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:49:13,044 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:49:13,044 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:49:13,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:49:13,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:13,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:49:13,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:49:13,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:49:13,047 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:49:13,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:49:13,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:49:13,048 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:49:13,049 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:49:13,049 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:49:13,049 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:49:13,050 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_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 935f88b4e8d3c594a969e02830dc0e71e1824c543ec1edef55d689968d17ba50 [2023-11-26 11:49:13,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:49:13,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:49:13,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:49:13,387 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:49:13,388 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:49:13,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i [2023-11-26 11:49:16,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:49:19,148 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:49:19,148 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i [2023-11-26 11:49:19,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/bin/uautomizer-verify-VRDe98Ueme/data/c1dcb96e4/7ba86f84adb940baa4610bae818d6568/FLAG2d15df46d [2023-11-26 11:49:19,554 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/bin/uautomizer-verify-VRDe98Ueme/data/c1dcb96e4/7ba86f84adb940baa4610bae818d6568 [2023-11-26 11:49:19,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:49:19,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:49:19,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:19,571 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:49:19,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:49:19,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:19" (1/1) ... [2023-11-26 11:49:19,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4106d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:19, skipping insertion in model container [2023-11-26 11:49:19,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:19" (1/1) ... [2023-11-26 11:49:20,415 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:49:58,689 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-26 11:49:58,697 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-26 11:49:58,698 WARN L638 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-26 11:49:58,699 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-26 11:49:58,701 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-26 11:49:58,702 WARN L638 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-26 11:49:58,703 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-26 11:49:58,705 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-26 11:49:58,706 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-26 11:49:58,770 WARN L638 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-26 11:49:58,948 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-26 11:49:59,661 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-26 11:50:00,147 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 11:50:00,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ce7adaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:00, skipping insertion in model container [2023-11-26 11:50:00,149 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:50:00,150 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-26 11:50:00,152 INFO L158 Benchmark]: Toolchain (without parser) took 40583.51ms. Allocated memory was 211.8MB in the beginning and 411.0MB in the end (delta: 199.2MB). Free memory was 118.2MB in the beginning and 234.1MB in the end (delta: -115.9MB). Peak memory consumption was 299.9MB. Max. memory is 16.1GB. [2023-11-26 11:50:00,153 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:50:00,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 40578.58ms. Allocated memory was 211.8MB in the beginning and 411.0MB in the end (delta: 199.2MB). Free memory was 118.2MB in the beginning and 234.1MB in the end (delta: -115.9MB). Peak memory consumption was 299.9MB. Max. memory is 16.1GB. [2023-11-26 11:50:00,156 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 40578.58ms. Allocated memory was 211.8MB in the beginning and 411.0MB in the end (delta: 199.2MB). Free memory was 118.2MB in the beginning and 234.1MB in the end (delta: -115.9MB). Peak memory consumption was 299.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 37044]: 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_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/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_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/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_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/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 935f88b4e8d3c594a969e02830dc0e71e1824c543ec1edef55d689968d17ba50 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:50:02,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:50:02,854 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-26 11:50:02,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:50:02,865 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:50:02,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-26 11:50:02,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:50:02,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:50:02,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:50:02,917 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:50:02,918 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:50:02,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:50:02,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:50:02,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:50:02,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:50:02,921 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:50:02,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:50:02,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:50:02,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:50:02,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:50:02,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:50:02,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:50:02,928 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:50:02,928 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:50:02,929 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:50:02,929 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:50:02,929 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:50:02,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:50:02,930 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:50:02,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:50:02,933 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:50:02,933 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:50:02,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:50:02,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:50:02,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:50:02,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:50:02,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:50:02,936 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:50:02,936 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:50:02,936 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:50:02,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:50:02,937 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:50:02,937 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:50:02,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:50:02,938 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:50:02,938 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_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 935f88b4e8d3c594a969e02830dc0e71e1824c543ec1edef55d689968d17ba50 [2023-11-26 11:50:03,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:50:03,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:50:03,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:50:03,368 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:50:03,369 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:50:03,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i [2023-11-26 11:50:06,484 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:50:09,133 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:50:09,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i [2023-11-26 11:50:09,516 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/bin/uautomizer-verify-VRDe98Ueme/data/b49f6f874/fbb8edd01d2e43d593f3506498a279b6/FLAG8a2421e20 [2023-11-26 11:50:09,538 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0dbd9e-87a5-4c34-bb1d-e69a631cae50/bin/uautomizer-verify-VRDe98Ueme/data/b49f6f874/fbb8edd01d2e43d593f3506498a279b6 [2023-11-26 11:50:09,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:50:09,547 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:50:09,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:50:09,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:50:09,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:50:09,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:50:09" (1/1) ... [2023-11-26 11:50:09,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba4fadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:09, skipping insertion in model container [2023-11-26 11:50:09,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:50:09" (1/1) ... [2023-11-26 11:50:10,475 INFO L177 MainTranslator]: Built tables and reachable declarations