./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:58,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:58,199 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2023-11-24 23:14:58,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:58,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:58,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:58,242 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:58,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:58,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:58,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:58,245 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:58,246 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:58,247 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:58,247 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:14:58,248 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:58,249 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:58,249 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:14:58,250 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:14:58,251 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:58,251 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:14:58,252 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:14:58,253 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:14:58,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:14:58,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:14:58,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:58,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:58,256 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:14:58,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:14:58,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:14:58,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:58,258 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:58,258 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:14:58,259 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:14:58,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:58,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:58,260 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:14:58,261 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:14:58,262 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:14:58,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:58,263 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:58,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:58,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:58,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:58,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:58,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:58,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:58,266 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:14:58,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:14:58,267 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:58,267 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:58,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:58,268 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_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2023-11-24 23:14:58,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:58,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:58,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:58,651 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:58,652 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:58,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2023-11-24 23:15:01,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:15:02,233 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:15:02,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/sv-benchmarks/c/memsafety/global-atexit-1.i [2023-11-24 23:15:02,250 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/data/af50e1ae7/a5905c3e4ed346abaa600ed684389240/FLAGfb95f80b4 [2023-11-24 23:15:02,265 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/data/af50e1ae7/a5905c3e4ed346abaa600ed684389240 [2023-11-24 23:15:02,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:15:02,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:15:02,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:02,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:15:02,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:15:02,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:02" (1/1) ... [2023-11-24 23:15:02,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e416e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:02, skipping insertion in model container [2023-11-24 23:15:02,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:02" (1/1) ... [2023-11-24 23:15:02,341 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:15:02,638 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2023-11-24 23:15:02,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a6f2854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:02, skipping insertion in model container [2023-11-24 23:15:02,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:02,640 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-24 23:15:02,642 INFO L158 Benchmark]: Toolchain (without parser) took 371.57ms. Allocated memory is still 140.5MB. Free memory was 92.9MB in the beginning and 81.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:15:02,642 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 109.1MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:15:02,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.99ms. Allocated memory is still 140.5MB. Free memory was 92.4MB in the beginning and 81.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:15:02,644 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 109.1MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.99ms. Allocated memory is still 140.5MB. Free memory was 92.4MB in the beginning and 81.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit 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_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:15:05,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:15:05,386 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2023-11-24 23:15:05,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:15:05,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:15:05,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:15:05,438 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:15:05,439 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:15:05,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:15:05,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:15:05,446 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:15:05,446 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:15:05,447 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:15:05,448 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:15:05,449 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:15:05,449 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:15:05,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:15:05,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:15:05,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:15:05,452 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:15:05,452 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:15:05,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:15:05,453 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:15:05,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:15:05,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:15:05,455 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:15:05,455 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:15:05,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:15:05,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:15:05,456 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:15:05,458 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:15:05,458 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:15:05,458 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:15:05,459 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:15:05,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:15:05,459 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:15:05,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:15:05,461 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:15:05,461 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:15:05,461 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:15:05,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:15:05,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:15:05,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:15:05,462 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:15:05,463 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:15:05,463 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:15:05,464 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:15:05,464 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:15:05,464 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_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2023-11-24 23:15:05,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:15:05,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:15:05,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:15:05,932 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:15:05,932 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:15:05,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2023-11-24 23:15:09,204 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:15:09,554 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:15:09,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/sv-benchmarks/c/memsafety/global-atexit-1.i [2023-11-24 23:15:09,583 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/data/d823ddfc1/3159e0da14cf4f2ab1b9afa9c10fa4ba/FLAGacb1809f4 [2023-11-24 23:15:09,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4873283b-ec10-43ff-8586-4e0b83da8c2e/bin/utaipan-verify-SwPr7d2a91/data/d823ddfc1/3159e0da14cf4f2ab1b9afa9c10fa4ba [2023-11-24 23:15:09,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:15:09,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:15:09,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:09,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:15:09,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:15:09,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:09" (1/1) ... [2023-11-24 23:15:09,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642d412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:09, skipping insertion in model container [2023-11-24 23:15:09,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:09" (1/1) ... [2023-11-24 23:15:09,694 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:15:10,114 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2023-11-24 23:15:10,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7d392e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:10, skipping insertion in model container [2023-11-24 23:15:10,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:10,120 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-24 23:15:10,122 INFO L158 Benchmark]: Toolchain (without parser) took 501.49ms. Allocated memory is still 92.3MB. Free memory was 67.1MB in the beginning and 56.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:15:10,123 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 60.8MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:15:10,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.88ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 56.1MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:15:10,126 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 60.8MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.88ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 56.1MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit 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: UNKNOWN