./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 0e0057cc 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_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_du_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh --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 2c8aac95267dec68e99458351999ea740fa786a82a6feb1ce5c8effaf4a32372 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:25:26,418 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:25:26,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-12-02 17:25:26,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:25:26,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:25:26,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:25:26,508 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:25:26,509 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:25:26,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:25:26,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:25:26,511 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:25:26,511 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:25:26,511 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:25:26,512 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:25:26,512 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:25:26,513 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:25:26,513 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:25:26,514 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:25:26,514 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:25:26,515 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:25:26,515 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:25:26,516 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:25:26,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:25:26,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:25:26,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:25:26,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:25:26,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:25:26,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:25:26,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:25:26,520 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 17:25:26,520 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 17:25:26,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:25:26,521 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:25:26,521 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:25:26,521 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:25:26,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:25:26,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:25:26,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:25:26,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:25:26,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:25:26,523 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:25:26,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:25:26,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:25:26,523 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:25:26,523 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:25:26,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:25:26,524 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_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c8aac95267dec68e99458351999ea740fa786a82a6feb1ce5c8effaf4a32372 [2023-12-02 17:25:26,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:25:26,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:25:26,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:25:26,772 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:25:26,773 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:25:26,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_du_comb.i [2023-12-02 17:25:29,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:25:31,375 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:25:31,376 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/sv-benchmarks/c/goblint-coreutils/instrumented_interval_du_comb.i [2023-12-02 17:25:31,534 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/data/8b4559a2b/89498c178bbc43a2a5bf54c9237c1bfc/FLAG5acbbc096 [2023-12-02 17:25:31,549 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/data/8b4559a2b/89498c178bbc43a2a5bf54c9237c1bfc [2023-12-02 17:25:31,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:25:31,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:25:31,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:25:31,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:25:31,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:25:31,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:25:31" (1/1) ... [2023-12-02 17:25:31,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@556855e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:25:31, skipping insertion in model container [2023-12-02 17:25:31,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:25:31" (1/1) ... [2023-12-02 17:25:32,185 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:26:07,094 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-12-02 17:26:07,096 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-12-02 17:26:07,097 WARN L638 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-12-02 17:26:07,098 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-12-02 17:26:07,100 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-12-02 17:26:07,101 WARN L638 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-12-02 17:26:07,102 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-12-02 17:26:07,104 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-12-02 17:26:07,105 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-12-02 17:26:07,149 WARN L638 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-12-02 17:26:07,272 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-12-02 17:26:07,752 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-12-02 17:26:08,325 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. [2023-12-02 17:26:08,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f9fe372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:26:08, skipping insertion in model container [2023-12-02 17:26:08,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:26:08,327 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-12-02 17:26:08,330 INFO L158 Benchmark]: Toolchain (without parser) took 36775.52ms. Allocated memory was 218.1MB in the beginning and 266.3MB in the end (delta: 48.2MB). Free memory was 103.7MB in the beginning and 88.4MB in the end (delta: 15.3MB). Peak memory consumption was 185.2MB. Max. memory is 16.1GB. [2023-12-02 17:26:08,331 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 134.2MB. Free memory was 104.4MB in the beginning and 104.3MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:26:08,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 36773.02ms. Allocated memory was 218.1MB in the beginning and 266.3MB in the end (delta: 48.2MB). Free memory was 103.7MB in the beginning and 88.4MB in the end (delta: 15.3MB). Peak memory consumption was 185.2MB. Max. memory is 16.1GB. [2023-12-02 17:26:08,334 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 134.2MB. Free memory was 104.4MB in the beginning and 104.3MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 36773.02ms. Allocated memory was 218.1MB in the beginning and 266.3MB in the end (delta: 48.2MB). Free memory was 103.7MB in the beginning and 88.4MB in the end (delta: 15.3MB). Peak memory consumption was 185.2MB. 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... --- 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_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_du_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh --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 2c8aac95267dec68e99458351999ea740fa786a82a6feb1ce5c8effaf4a32372 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:26:10,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:26:10,141 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-12-02 17:26:10,146 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:26:10,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:26:10,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:26:10,174 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:26:10,174 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:26:10,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:26:10,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:26:10,176 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:26:10,177 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:26:10,177 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:26:10,178 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:26:10,178 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:26:10,179 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:26:10,180 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:26:10,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:26:10,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:26:10,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:26:10,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:26:10,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:26:10,184 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:26:10,184 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 17:26:10,184 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 17:26:10,185 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 17:26:10,185 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 17:26:10,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:26:10,186 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:26:10,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:26:10,186 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 17:26:10,187 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:26:10,187 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:26:10,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:26:10,188 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:26:10,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:26:10,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:26:10,189 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 17:26:10,189 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 17:26:10,189 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:26:10,189 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:26:10,190 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:26:10,190 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:26:10,190 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_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c8aac95267dec68e99458351999ea740fa786a82a6feb1ce5c8effaf4a32372 [2023-12-02 17:26:10,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:26:10,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:26:10,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:26:10,483 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:26:10,484 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:26:10,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_du_comb.i [2023-12-02 17:26:13,313 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:26:15,086 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:26:15,086 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/sv-benchmarks/c/goblint-coreutils/instrumented_interval_du_comb.i [2023-12-02 17:26:15,329 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/data/f7cd1d870/80107db66fed4fb093ee6caa9d5471ee/FLAG10085e260 [2023-12-02 17:26:15,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcd2e3b-4520-436f-96e6-5ad0925e9244/bin/utaipan-verify-nQ1chXbOIh/data/f7cd1d870/80107db66fed4fb093ee6caa9d5471ee [2023-12-02 17:26:15,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:26:15,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:26:15,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:26:15,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:26:15,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:26:15,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:26:15" (1/1) ... [2023-12-02 17:26:15,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ebcd9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:26:15, skipping insertion in model container [2023-12-02 17:26:15,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:26:15" (1/1) ... [2023-12-02 17:26:15,964 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:26:51,105 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-12-02 17:26:51,106 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-12-02 17:26:51,107 WARN L638 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-12-02 17:26:51,108 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-12-02 17:26:51,110 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-12-02 17:26:51,111 WARN L638 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-12-02 17:26:51,112 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-12-02 17:26:51,114 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-12-02 17:26:51,115 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-12-02 17:26:51,180 WARN L638 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-12-02 17:26:51,302 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-12-02 17:26:51,715 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: cannot determine size of incomplete type at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsetsStructAndUnion(TypeSizeAndOffsetComputer.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeSize(TypeSizeAndOffsetComputer.java:184) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructBytesizeExpression(TypeSizeAndOffsetComputer.java:121) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1023) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:963) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1427) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:222) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1679) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1679) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1679) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1679) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 17:26:51,723 INFO L158 Benchmark]: Toolchain (without parser) took 36363.14ms. Allocated memory was 151.0MB in the beginning and 283.1MB in the end (delta: 132.1MB). Free memory was 64.4MB in the beginning and 75.7MB in the end (delta: -11.3MB). Peak memory consumption was 172.0MB. Max. memory is 16.1GB. [2023-12-02 17:26:51,723 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 73.4MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:26:51,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 36358.28ms. Allocated memory was 151.0MB in the beginning and 283.1MB in the end (delta: 132.1MB). Free memory was 64.1MB in the beginning and 75.7MB in the end (delta: -11.6MB). Peak memory consumption was 172.0MB. Max. memory is 16.1GB. [2023-12-02 17:26:51,726 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 73.4MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 36358.28ms. Allocated memory was 151.0MB in the beginning and 283.1MB in the end (delta: 132.1MB). Free memory was 64.1MB in the beginning and 75.7MB in the end (delta: -11.6MB). Peak memory consumption was 172.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: cannot determine size of incomplete type: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsetsStructAndUnion(TypeSizeAndOffsetComputer.java:233) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type