./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_tail_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_tail_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl --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 60b3c577fa65970bc54a66f3c47d776002fb71c3b88171fe0d06c29869c37698 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:24:32,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:24:32,723 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-12 02:24:32,728 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:24:32,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:24:32,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:24:32,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:24:32,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:24:32,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:24:32,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:24:32,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:24:32,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:24:32,757 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:24:32,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:24:32,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:24:32,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:24:32,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:24:32,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:24:32,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:24:32,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:24:32,761 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:24:32,762 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:24:32,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:24:32,762 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:24:32,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:24:32,763 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:24:32,764 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:24:32,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:24:32,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:24:32,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:24:32,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:24:32,766 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:24:32,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:24:32,766 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:24:32,767 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:24:32,767 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:24:32,767 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:24:32,767 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:24:32,768 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_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60b3c577fa65970bc54a66f3c47d776002fb71c3b88171fe0d06c29869c37698 [2023-11-12 02:24:33,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:24:33,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:24:33,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:24:33,120 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:24:33,121 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:24:33,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_tail_comb.i [2023-11-12 02:24:36,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:24:38,460 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:24:38,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/sv-benchmarks/c/goblint-coreutils/instrumented_interval_tail_comb.i [2023-11-12 02:24:38,673 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/data/6b64ce695/f76b87dfdf474b228c391b6788c60f58/FLAG9a83f7175 [2023-11-12 02:24:38,694 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/data/6b64ce695/f76b87dfdf474b228c391b6788c60f58 [2023-11-12 02:24:38,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:24:38,703 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:24:38,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:24:38,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:24:38,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:24:38,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:24:38" (1/1) ... [2023-11-12 02:24:38,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f8a592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:38, skipping insertion in model container [2023-11-12 02:24:38,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:24:38" (1/1) ... [2023-11-12 02:24:39,517 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:25:10,861 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-12 02:25:10,864 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-12 02:25:10,866 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-12 02:25:10,868 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-12 02:25:10,881 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-12 02:25:10,883 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-12 02:25:10,884 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-12 02:25:10,887 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-12 02:25:10,895 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-12 02:25:10,991 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-12 02:25:11,171 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-12 02:25:12,038 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-12 02:25:12,370 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. [2023-11-12 02:25:12,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e1a1b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:12, skipping insertion in model container [2023-11-12 02:25:12,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:25:12,372 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 02:25:12,374 INFO L158 Benchmark]: Toolchain (without parser) took 33669.84ms. Allocated memory was 146.8MB in the beginning and 346.0MB in the end (delta: 199.2MB). Free memory was 64.5MB in the beginning and 127.1MB in the end (delta: -62.5MB). Peak memory consumption was 188.1MB. Max. memory is 16.1GB. [2023-11-12 02:25:12,375 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:25:12,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 33665.62ms. Allocated memory was 146.8MB in the beginning and 346.0MB in the end (delta: 199.2MB). Free memory was 64.5MB in the beginning and 127.1MB in the end (delta: -62.5MB). Peak memory consumption was 188.1MB. Max. memory is 16.1GB. [2023-11-12 02:25:12,378 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 33665.62ms. Allocated memory was 146.8MB in the beginning and 346.0MB in the end (delta: 199.2MB). Free memory was 64.5MB in the beginning and 127.1MB in the end (delta: -62.5MB). Peak memory consumption was 188.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36411]: 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_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_tail_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl --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 60b3c577fa65970bc54a66f3c47d776002fb71c3b88171fe0d06c29869c37698 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:25:14,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:25:14,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-12 02:25:14,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:25:14,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:25:14,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-12 02:25:15,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:25:15,008 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:25:15,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:25:15,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:25:15,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:25:15,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:25:15,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:25:15,018 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:25:15,019 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:25:15,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:25:15,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:25:15,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:25:15,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:25:15,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:25:15,022 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:25:15,022 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:25:15,023 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:25:15,023 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:25:15,024 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:25:15,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:25:15,025 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:25:15,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:25:15,026 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:25:15,026 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:25:15,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:25:15,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:25:15,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:25:15,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:25:15,029 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:25:15,029 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:25:15,029 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:25:15,030 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:25:15,030 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:25:15,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:25:15,031 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:25:15,031 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:25:15,032 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_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60b3c577fa65970bc54a66f3c47d776002fb71c3b88171fe0d06c29869c37698 [2023-11-12 02:25:15,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:25:15,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:25:15,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:25:15,490 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:25:15,491 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:25:15,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_tail_comb.i [2023-11-12 02:25:18,795 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:25:21,353 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:25:21,355 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/sv-benchmarks/c/goblint-coreutils/instrumented_interval_tail_comb.i [2023-11-12 02:25:21,650 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/data/adb57beb3/0eaaaaa983514b81a23a6d19cadf3de2/FLAG02617e4e7 [2023-11-12 02:25:21,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ee8b5f-3084-49b4-b70f-c2382f12761b/bin/uautomizer-verify-uTZkv6EMXl/data/adb57beb3/0eaaaaa983514b81a23a6d19cadf3de2 [2023-11-12 02:25:21,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:25:21,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:25:21,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:25:21,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:25:21,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:25:21,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:25:21" (1/1) ... [2023-11-12 02:25:21,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e213a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:21, skipping insertion in model container [2023-11-12 02:25:21,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:25:21" (1/1) ... [2023-11-12 02:25:22,466 INFO L177 MainTranslator]: Built tables and reachable declarations