./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 9bd2c7ff 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_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu --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-9bd2c7f [2023-11-19 08:00:24,275 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:00:24,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-19 08:00:24,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:00:24,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:00:24,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:00:24,461 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:00:24,461 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:00:24,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:00:24,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:00:24,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:00:24,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:00:24,472 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:00:24,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:00:24,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:00:24,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:00:24,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:00:24,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:00:24,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:00:24,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:00:24,477 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 08:00:24,478 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:00:24,478 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:00:24,479 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:00:24,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:00:24,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:00:24,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:00:24,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:24,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:00:24,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:00:24,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:00:24,484 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:00:24,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:00:24,484 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:00:24,485 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:00:24,485 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:00:24,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:00:24,485 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:00:24,486 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_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bac1c479ecb94b6deb95126013b1c4dbd0d92e2f4672788b7bb567e3d6bf83aa [2023-11-19 08:00:24,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:00:24,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:00:24,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:00:24,841 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:00:24,842 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:00:24,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i [2023-11-19 08:00:28,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:00:30,034 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:00:30,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i [2023-11-19 08:00:30,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/data/3c92a1d20/aa8a83e3d310410aa6aaa5080581e6b5/FLAG44a26b386 [2023-11-19 08:00:30,248 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/data/3c92a1d20/aa8a83e3d310410aa6aaa5080581e6b5 [2023-11-19 08:00:30,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:00:30,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:00:30,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:30,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:00:30,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:00:30,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:30" (1/1) ... [2023-11-19 08:00:30,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24f90ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:30, skipping insertion in model container [2023-11-19 08:00:30,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:30" (1/1) ... [2023-11-19 08:00:31,035 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:01:00,897 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-19 08:01:00,902 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-19 08:01:00,903 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-19 08:01:00,904 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-19 08:01:00,915 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-19 08:01:00,918 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-19 08:01:00,919 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-19 08:01:00,922 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-19 08:01:00,925 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-19 08:01:00,997 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-19 08:01:01,139 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-19 08:01:01,919 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-19 08:01:02,256 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. [2023-11-19 08:01:02,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6037001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:02, skipping insertion in model container [2023-11-19 08:01:02,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:02,258 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 08:01:02,260 INFO L158 Benchmark]: Toolchain (without parser) took 32001.09ms. Allocated memory was 144.7MB in the beginning and 348.1MB in the end (delta: 203.4MB). Free memory was 58.0MB in the beginning and 139.1MB in the end (delta: -81.1MB). Peak memory consumption was 237.9MB. Max. memory is 16.1GB. [2023-11-19 08:01:02,261 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 144.7MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:01:02,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 31998.08ms. Allocated memory was 144.7MB in the beginning and 348.1MB in the end (delta: 203.4MB). Free memory was 57.5MB in the beginning and 139.1MB in the end (delta: -81.7MB). Peak memory consumption was 237.9MB. Max. memory is 16.1GB. [2023-11-19 08:01:02,264 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 144.7MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 31998.08ms. Allocated memory was 144.7MB in the beginning and 348.1MB in the end (delta: 203.4MB). Free memory was 57.5MB in the beginning and 139.1MB in the end (delta: -81.7MB). Peak memory consumption was 237.9MB. 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_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu --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-9bd2c7f [2023-11-19 08:01:04,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:01:04,856 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-19 08:01:04,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:01:04,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:01:04,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-19 08:01:04,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:01:04,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:01:04,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:01:04,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:01:04,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:01:04,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:01:04,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:01:04,925 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:01:04,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:01:04,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:01:04,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:01:04,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:01:04,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:01:04,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:01:04,929 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:01:04,932 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:01:04,932 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 08:01:04,933 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:01:04,933 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:01:04,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:01:04,934 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:01:04,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:01:04,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:01:04,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:01:04,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:04,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:01:04,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:01:04,938 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:01:04,938 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:01:04,938 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:01:04,938 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:01:04,939 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:01:04,939 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:01:04,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:01:04,944 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:01:04,944 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:01:04,944 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_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bac1c479ecb94b6deb95126013b1c4dbd0d92e2f4672788b7bb567e3d6bf83aa [2023-11-19 08:01:05,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:01:05,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:01:05,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:01:05,431 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:01:05,432 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:01:05,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i [2023-11-19 08:01:08,807 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:01:10,932 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:01:10,934 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/sv-benchmarks/c/goblint-coreutils/instrumented_dd_comb.i [2023-11-19 08:01:11,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/data/c2cf1fb33/4d2302b648524c1d80f6b2bf15a47b26/FLAGee863a606 [2023-11-19 08:01:11,241 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7535df13-ce5d-44c5-910f-54eb24ad0b65/bin/uautomizer-verify-uCwYo4JHxu/data/c2cf1fb33/4d2302b648524c1d80f6b2bf15a47b26 [2023-11-19 08:01:11,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:01:11,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:01:11,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:11,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:01:11,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:01:11,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:11" (1/1) ... [2023-11-19 08:01:11,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aaa180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:11, skipping insertion in model container [2023-11-19 08:01:11,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:11" (1/1) ... [2023-11-19 08:01:11,909 INFO L177 MainTranslator]: Built tables and reachable declarations