./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/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_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire --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 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:14,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:14,717 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2023-11-23 21:32:14,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:14,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:14,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:14,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:14,768 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:14,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:14,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:14,775 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:14,776 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:14,777 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:14,778 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:32:14,779 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:14,779 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:14,780 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:32:14,780 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:32:14,781 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:14,781 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:32:14,782 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:32:14,782 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:32:14,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:32:14,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:32:14,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:14,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:14,786 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:32:14,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:32:14,787 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:32:14,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:14,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:14,789 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 21:32:14,789 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 21:32:14,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:14,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:14,790 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:32:14,790 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:32:14,791 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:32:14,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:14,791 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:14,792 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:14,792 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:14,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:14,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:14,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:14,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:14,794 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:32:14,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:32:14,794 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:14,795 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:14,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:14,795 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_24df137f-4a10-4bdc-b101-62b27ec660b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2023-11-23 21:32:15,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:15,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:15,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:15,204 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:15,205 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:15,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-23 21:32:18,491 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:18,776 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:18,776 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-23 21:32:18,793 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire/data/a7a6c7764/09ca74a6b69c4b6f993296aa9e9bb761/FLAGe7ec2ac37 [2023-11-23 21:32:19,087 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire/data/a7a6c7764/09ca74a6b69c4b6f993296aa9e9bb761 [2023-11-23 21:32:19,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:19,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:19,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:19,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:19,101 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:19,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:19" (1/1) ... [2023-11-23 21:32:19,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0755a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:19, skipping insertion in model container [2023-11-23 21:32:19,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:19" (1/1) ... [2023-11-23 21:32:19,177 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:19,531 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-11-23 21:32:19,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b291fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:19, skipping insertion in model container [2023-11-23 21:32:19,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:19,534 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 21:32:19,536 INFO L158 Benchmark]: Toolchain (without parser) took 443.60ms. Allocated memory is still 167.8MB. Free memory was 131.0MB in the beginning and 134.8MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:32:19,536 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:19,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.85ms. Allocated memory is still 167.8MB. Free memory was 131.0MB in the beginning and 134.8MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:32:19,539 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.85ms. Allocated memory is still 167.8MB. Free memory was 131.0MB in the beginning and 134.8MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit 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_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/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_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire --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 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:22,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:22,241 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2023-11-23 21:32:22,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:22,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:22,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:22,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:22,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:22,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:22,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:22,308 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:22,308 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:22,309 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:22,311 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:22,311 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:22,312 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:22,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:32:22,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:32:22,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:22,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:22,317 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:32:22,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:32:22,318 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:32:22,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:22,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:22,320 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 21:32:22,320 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 21:32:22,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:22,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:22,322 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:32:22,324 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:32:22,324 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:32:22,324 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:32:22,325 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:32:22,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:22,326 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:22,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:22,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:32:22,328 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:22,328 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:22,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:22,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:22,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:22,330 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:32:22,330 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:32:22,331 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:22,331 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:22,331 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:22,331 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_24df137f-4a10-4bdc-b101-62b27ec660b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2023-11-23 21:32:22,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:22,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:22,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:22,816 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:22,817 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:22,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-23 21:32:26,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:26,545 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:26,546 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-23 21:32:26,579 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire/data/feb819180/0c9ff231ecb043b68b9778f871947463/FLAGf24d58358 [2023-11-23 21:32:26,595 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24df137f-4a10-4bdc-b101-62b27ec660b8/bin/utaipan-verify-mE87zJ7Ire/data/feb819180/0c9ff231ecb043b68b9778f871947463 [2023-11-23 21:32:26,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:26,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:26,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:26,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:26,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:26,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:26" (1/1) ... [2023-11-23 21:32:26,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b89be06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:26, skipping insertion in model container [2023-11-23 21:32:26,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:26" (1/1) ... [2023-11-23 21:32:26,680 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:27,022 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-11-23 21:32:27,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@12d5d4b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:27, skipping insertion in model container [2023-11-23 21:32:27,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:27,023 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 21:32:27,026 INFO L158 Benchmark]: Toolchain (without parser) took 425.07ms. Allocated memory is still 94.4MB. Free memory was 69.7MB in the beginning and 58.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:32:27,026 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:27,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.13ms. Allocated memory is still 94.4MB. Free memory was 69.4MB in the beginning and 58.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:32:27,030 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.13ms. Allocated memory is still 94.4MB. Free memory was 69.4MB in the beginning and 58.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit 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