./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_du_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a 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_6b01918e-2f37-4050-b1e8-a6dfa7228dcb/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b01918e-2f37-4050-b1e8-a6dfa7228dcb/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b01918e-2f37-4050-b1e8-a6dfa7228dcb/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b01918e-2f37-4050-b1e8-a6dfa7228dcb/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_du_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b01918e-2f37-4050-b1e8-a6dfa7228dcb/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b01918e-2f37-4050-b1e8-a6dfa7228dcb/bin/uautomizer-verify-4GaUIPS5ZU --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 2c8aac95267dec68e99458351999ea740fa786a82a6feb1ce5c8effaf4a32372 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:11:12,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:11:12,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b01918e-2f37-4050-b1e8-a6dfa7228dcb/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 22:11:12,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:11:12,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:11:12,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:11:12,836 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:11:12,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:11:12,837 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:11:12,838 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:11:12,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:11:12,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:11:12,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:11:12,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:11:12,845 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:11:12,846 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:11:12,846 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:11:12,847 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:11:12,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:11:12,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:11:12,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:11:12,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:11:12,848 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:11:12,849 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:11:12,849 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:11:12,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:11:12,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:11:12,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:11:12,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:11:12,853 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:11:12,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:11:12,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:12,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:11:12,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:11:12,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:11:12,855 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:11:12,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:11:12,856 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:11:12,857 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:11:12,857 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:11:12,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:11:12,858 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_6b01918e-2f37-4050-b1e8-a6dfa7228dcb/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b01918e-2f37-4050-b1e8-a6dfa7228dcb/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c8aac95267dec68e99458351999ea740fa786a82a6feb1ce5c8effaf4a32372 [2024-10-31 22:11:13,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:11:13,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:11:13,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:11:13,180 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:11:13,181 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:11:13,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b01918e-2f37-4050-b1e8-a6dfa7228dcb/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_du_comb.i Unable to find full path for "g++" [2024-10-31 22:11:15,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:11:17,456 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:11:17,457 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b01918e-2f37-4050-b1e8-a6dfa7228dcb/sv-benchmarks/c/goblint-coreutils/instrumented_interval_du_comb.i [2024-10-31 22:11:17,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b01918e-2f37-4050-b1e8-a6dfa7228dcb/bin/uautomizer-verify-4GaUIPS5ZU/data/9f92b0c6c/18b9322671044f8b851859a723a3bdf1/FLAGd3be4250b [2024-10-31 22:11:17,690 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b01918e-2f37-4050-b1e8-a6dfa7228dcb/bin/uautomizer-verify-4GaUIPS5ZU/data/9f92b0c6c/18b9322671044f8b851859a723a3bdf1 [2024-10-31 22:11:17,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:11:17,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:11:17,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:17,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:11:17,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:11:17,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:17" (1/1) ... [2024-10-31 22:11:17,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612e2b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:17, skipping insertion in model container [2024-10-31 22:11:17,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:17" (1/1) ... [2024-10-31 22:11:18,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:11:50,833 WARN L634 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2024-10-31 22:11:50,834 WARN L634 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2024-10-31 22:11:50,835 WARN L634 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2024-10-31 22:11:50,838 WARN L634 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2024-10-31 22:11:50,841 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2024-10-31 22:11:50,846 WARN L634 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2024-10-31 22:11:50,847 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2024-10-31 22:11:50,853 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2024-10-31 22:11:50,854 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2024-10-31 22:11:50,932 WARN L634 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2024-10-31 22:11:51,179 WARN L634 FunctionHandler]: implicit declaration of function __builtin_strspn [2024-10-31 22:11:51,840 WARN L634 FunctionHandler]: implicit declaration of function __builtin_strcspn [2024-10-31 22:11:52,491 ERROR L321 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. [2024-10-31 22:11:52,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10cf6b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:52, skipping insertion in model container [2024-10-31 22:11:52,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:52,492 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-31 22:11:52,494 INFO L158 Benchmark]: Toolchain (without parser) took 34797.17ms. Allocated memory was 209.7MB in the beginning and 341.8MB in the end (delta: 132.1MB). Free memory was 114.7MB in the beginning and 117.3MB in the end (delta: -2.7MB). Peak memory consumption was 237.4MB. Max. memory is 16.1GB. [2024-10-31 22:11:52,495 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 107.0MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:11:52,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 34794.15ms. Allocated memory was 209.7MB in the beginning and 341.8MB in the end (delta: 132.1MB). Free memory was 114.7MB in the beginning and 117.3MB in the end (delta: -2.7MB). Peak memory consumption was 237.4MB. Max. memory is 16.1GB. [2024-10-31 22:11:52,498 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 107.0MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 34794.15ms. Allocated memory was 209.7MB in the beginning and 341.8MB in the end (delta: 132.1MB). Free memory was 114.7MB in the beginning and 117.3MB in the end (delta: -2.7MB). Peak memory consumption was 237.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 39989]: 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...