./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_a614ab79-c8a0-4b84-95f4-476cc99e11ef/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a614ab79-c8a0-4b84-95f4-476cc99e11ef/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_a614ab79-c8a0-4b84-95f4-476cc99e11ef/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a614ab79-c8a0-4b84-95f4-476cc99e11ef/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a614ab79-c8a0-4b84-95f4-476cc99e11ef/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_a614ab79-c8a0-4b84-95f4-476cc99e11ef/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 bac1c479ecb94b6deb95126013b1c4dbd0d92e2f4672788b7bb567e3d6bf83aa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:20:00,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:20:00,450 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a614ab79-c8a0-4b84-95f4-476cc99e11ef/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-12 02:20:00,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:20:00,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:20:00,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:20:00,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:20:00,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:20:00,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:20:00,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:20:00,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:20:00,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:20:00,487 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:20:00,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:20:00,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:20:00,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:20:00,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:20:00,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:20:00,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:20:00,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:20:00,491 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:20:00,495 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:20:00,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:20:00,496 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:20:00,497 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:20:00,497 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:20:00,498 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:20:00,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:20:00,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:20:00,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:20:00,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:20:00,501 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:20:00,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:20:00,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:20:00,502 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:20:00,502 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:20:00,502 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:20:00,502 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:20:00,503 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_a614ab79-c8a0-4b84-95f4-476cc99e11ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a614ab79-c8a0-4b84-95f4-476cc99e11ef/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bac1c479ecb94b6deb95126013b1c4dbd0d92e2f4672788b7bb567e3d6bf83aa [2023-11-12 02:20:00,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:20:00,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:20:00,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:20:00,814 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:20:00,815 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:20:00,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a614ab79-c8a0-4b84-95f4-476cc99e11ef/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i [2023-11-12 02:20:04,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:20:05,949 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:20:05,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a614ab79-c8a0-4b84-95f4-476cc99e11ef/sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i [2023-11-12 02:20:06,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a614ab79-c8a0-4b84-95f4-476cc99e11ef/bin/uautomizer-verify-uTZkv6EMXl/data/b07aa06d8/019eec0cfacf416dae2031179b1f1dd5/FLAGee4e20758 [2023-11-12 02:20:06,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a614ab79-c8a0-4b84-95f4-476cc99e11ef/bin/uautomizer-verify-uTZkv6EMXl/data/b07aa06d8/019eec0cfacf416dae2031179b1f1dd5 [2023-11-12 02:20:06,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:20:06,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:20:06,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:20:06,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:20:06,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:20:06,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:20:06" (1/1) ... [2023-11-12 02:20:06,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33408bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:06, skipping insertion in model container [2023-11-12 02:20:06,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:20:06" (1/1) ... [2023-11-12 02:20:06,956 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:20:36,855 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-12 02:20:36,861 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-12 02:20:36,863 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-12 02:20:36,865 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-12 02:20:36,870 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-12 02:20:36,872 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-12 02:20:36,873 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-12 02:20:36,884 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-12 02:20:36,886 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-12 02:20:36,929 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-12 02:20:37,074 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-12 02:20:37,849 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-12 02:20:38,155 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 02:20:38,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a908b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:38, skipping insertion in model container [2023-11-12 02:20:38,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:20:38,159 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 02:20:38,162 INFO L158 Benchmark]: Toolchain (without parser) took 31886.87ms. Allocated memory was 220.2MB in the beginning and 312.5MB in the end (delta: 92.3MB). Free memory was 122.6MB in the beginning and 78.0MB in the end (delta: 44.6MB). Peak memory consumption was 185.2MB. Max. memory is 16.1GB. [2023-11-12 02:20:38,163 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:20:38,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 31882.26ms. Allocated memory was 220.2MB in the beginning and 312.5MB in the end (delta: 92.3MB). Free memory was 121.6MB in the beginning and 78.0MB in the end (delta: 43.7MB). Peak memory consumption was 185.2MB. Max. memory is 16.1GB. [2023-11-12 02:20:38,167 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 31882.26ms. Allocated memory was 220.2MB in the beginning and 312.5MB in the end (delta: 92.3MB). Free memory was 121.6MB in the beginning and 78.0MB in the end (delta: 43.7MB). Peak memory consumption was 185.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36501]: 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_a614ab79-c8a0-4b84-95f4-476cc99e11ef/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a614ab79-c8a0-4b84-95f4-476cc99e11ef/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_a614ab79-c8a0-4b84-95f4-476cc99e11ef/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a614ab79-c8a0-4b84-95f4-476cc99e11ef/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a614ab79-c8a0-4b84-95f4-476cc99e11ef/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_a614ab79-c8a0-4b84-95f4-476cc99e11ef/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 bac1c479ecb94b6deb95126013b1c4dbd0d92e2f4672788b7bb567e3d6bf83aa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:20:40,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:20:41,059 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a614ab79-c8a0-4b84-95f4-476cc99e11ef/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-12 02:20:41,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:20:41,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:20:41,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-12 02:20:41,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:20:41,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:20:41,098 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:20:41,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:20:41,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:20:41,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:20:41,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:20:41,102 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:20:41,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:20:41,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:20:41,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:20:41,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:20:41,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:20:41,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:20:41,106 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:20:41,107 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:20:41,108 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:20:41,108 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:20:41,109 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:20:41,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:20:41,110 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:20:41,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:20:41,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:20:41,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:20:41,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:20:41,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:20:41,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:20:41,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:20:41,114 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:20:41,114 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:20:41,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:20:41,115 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:20:41,116 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:20:41,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:20:41,116 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:20:41,117 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:20:41,118 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_a614ab79-c8a0-4b84-95f4-476cc99e11ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a614ab79-c8a0-4b84-95f4-476cc99e11ef/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bac1c479ecb94b6deb95126013b1c4dbd0d92e2f4672788b7bb567e3d6bf83aa [2023-11-12 02:20:41,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:20:41,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:20:41,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:20:41,597 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:20:41,598 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:20:41,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a614ab79-c8a0-4b84-95f4-476cc99e11ef/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i [2023-11-12 02:20:45,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:20:47,502 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:20:47,503 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a614ab79-c8a0-4b84-95f4-476cc99e11ef/sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i [2023-11-12 02:20:47,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a614ab79-c8a0-4b84-95f4-476cc99e11ef/bin/uautomizer-verify-uTZkv6EMXl/data/060f5f304/8c98f038196a440caaada5a4570103a9/FLAG40e660509 [2023-11-12 02:20:47,710 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a614ab79-c8a0-4b84-95f4-476cc99e11ef/bin/uautomizer-verify-uTZkv6EMXl/data/060f5f304/8c98f038196a440caaada5a4570103a9 [2023-11-12 02:20:47,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:20:47,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:20:47,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:20:47,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:20:47,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:20:47,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:20:47" (1/1) ... [2023-11-12 02:20:47,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@419eba14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:47, skipping insertion in model container [2023-11-12 02:20:47,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:20:47" (1/1) ... [2023-11-12 02:20:48,434 INFO L177 MainTranslator]: Built tables and reachable declarations