./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b6816cf606a392c6e00a99419dcd620347fafa3510a8b711696b4fa6c7c2c596 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:13:42,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:13:43,029 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-23 21:13:43,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:13:43,042 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:13:43,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:13:43,083 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:13:43,084 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:13:43,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:13:43,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:13:43,091 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:13:43,091 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:13:43,092 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:13:43,094 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:13:43,094 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:13:43,095 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:13:43,095 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:13:43,096 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:13:43,097 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:13:43,097 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:13:43,098 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:13:43,098 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:13:43,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:13:43,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:13:43,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:13:43,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:13:43,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:13:43,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:13:43,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:13:43,103 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:13:43,105 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:13:43,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:13:43,105 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:13:43,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:13:43,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:13:43,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:13:43,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:43,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:13:43,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:13:43,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:13:43,108 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:13:43,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:13:43,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:13:43,109 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:13:43,110 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:13:43,110 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:13:43,110 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6816cf606a392c6e00a99419dcd620347fafa3510a8b711696b4fa6c7c2c596 [2023-11-23 21:13:43,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:13:43,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:13:43,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:13:43,497 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:13:43,498 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:13:43,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i [2023-11-23 21:13:46,598 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:13:48,889 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:13:48,890 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i [2023-11-23 21:13:49,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/data/18c5f85f1/d52877d1ebb84c589d1fbf5a2f3df30e/FLAGd39042ab9 [2023-11-23 21:13:49,183 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/data/18c5f85f1/d52877d1ebb84c589d1fbf5a2f3df30e [2023-11-23 21:13:49,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:13:49,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:13:49,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:49,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:13:49,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:13:49,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:49" (1/1) ... [2023-11-23 21:13:49,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@385dfc32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:49, skipping insertion in model container [2023-11-23 21:13:49,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:49" (1/1) ... [2023-11-23 21:13:49,995 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:19,976 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-23 21:14:19,977 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-23 21:14:19,978 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-23 21:14:19,979 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-23 21:14:19,982 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-23 21:14:19,983 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-23 21:14:19,984 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-23 21:14:19,986 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-23 21:14:19,987 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-23 21:14:20,069 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-23 21:14:20,224 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-23 21:14:21,018 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-23 21:14:21,477 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. [2023-11-23 21:14:21,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77207795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:21, skipping insertion in model container [2023-11-23 21:14:21,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:21,479 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 21:14:21,481 INFO L158 Benchmark]: Toolchain (without parser) took 32289.71ms. Allocated memory was 239.1MB in the beginning and 341.8MB in the end (delta: 102.8MB). Free memory was 140.1MB in the beginning and 165.0MB in the end (delta: -25.0MB). Peak memory consumption was 237.2MB. Max. memory is 16.1GB. [2023-11-23 21:14:21,482 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 151.0MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:21,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 32285.03ms. Allocated memory was 239.1MB in the beginning and 341.8MB in the end (delta: 102.8MB). Free memory was 139.0MB in the beginning and 165.0MB in the end (delta: -26.0MB). Peak memory consumption was 233.0MB. Max. memory is 16.1GB. [2023-11-23 21:14:21,484 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 151.0MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 32285.03ms. Allocated memory was 239.1MB in the beginning and 341.8MB in the end (delta: 102.8MB). Free memory was 139.0MB in the beginning and 165.0MB in the end (delta: -26.0MB). Peak memory consumption was 233.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36942]: 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_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b6816cf606a392c6e00a99419dcd620347fafa3510a8b711696b4fa6c7c2c596 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:23,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:24,058 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-23 21:14:24,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:24,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:24,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:24,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:24,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:24,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:24,127 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:24,127 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:24,128 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:24,128 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:24,130 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:24,131 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:24,131 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:24,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:24,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:24,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:24,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:24,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:24,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:24,135 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:14:24,136 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:14:24,136 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:14:24,137 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:14:24,137 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:14:24,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:24,138 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:24,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:24,140 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:14:24,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:24,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:24,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:24,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:24,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:24,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:24,142 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:14:24,143 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:14:24,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:24,144 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:24,144 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:24,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:24,145 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6816cf606a392c6e00a99419dcd620347fafa3510a8b711696b4fa6c7c2c596 [2023-11-23 21:14:24,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:24,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:24,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:24,571 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:24,572 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:24,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i [2023-11-23 21:14:27,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:30,075 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:30,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i [2023-11-23 21:14:30,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/data/d4eba7623/5068eb7bb4654163bf0fdcdab9f6d3ef/FLAGcd34809c9 [2023-11-23 21:14:30,328 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e688d139-cec3-4f1f-8c1f-b42974ca8efe/bin/utaipan-verify-mE87zJ7Ire/data/d4eba7623/5068eb7bb4654163bf0fdcdab9f6d3ef [2023-11-23 21:14:30,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:30,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:30,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:30,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:30,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:30,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:30" (1/1) ... [2023-11-23 21:14:30,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@132af597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:30, skipping insertion in model container [2023-11-23 21:14:30,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:30" (1/1) ... [2023-11-23 21:14:30,968 INFO L177 MainTranslator]: Built tables and reachable declarations