./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 04:49:17,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:49:17,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2023-11-19 04:49:17,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:49:17,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:49:17,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:49:17,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:49:17,479 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:49:17,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:49:17,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:49:17,486 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:49:17,488 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:49:17,488 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:49:17,490 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:49:17,491 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:49:17,491 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:49:17,492 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:49:17,492 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:49:17,493 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:49:17,493 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:49:17,494 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:49:17,495 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:49:17,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:49:17,496 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:49:17,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:49:17,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:49:17,498 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:49:17,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:49:17,499 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:49:17,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:49:17,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:49:17,501 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:49:17,501 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:49:17,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:49:17,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:49:17,502 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:49:17,503 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:49:17,503 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:49:17,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:49:17,503 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:49:17,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:49:17,504 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:49:17,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:49:17,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:49:17,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:49:17,506 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:49:17,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:49:17,506 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:49:17,507 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:49:17,507 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_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2023-11-19 04:49:17,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:49:17,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:49:17,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:49:17,844 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:49:17,845 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:49:17,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-19 04:49:21,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:49:21,640 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:49:21,641 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-19 04:49:21,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/data/84dd644f9/6b4a4913366949f796633dd889f70ecc/FLAGaf8750ce2 [2023-11-19 04:49:21,670 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/data/84dd644f9/6b4a4913366949f796633dd889f70ecc [2023-11-19 04:49:21,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:49:21,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:49:21,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:49:21,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:49:21,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:49:21,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:49:21" (1/1) ... [2023-11-19 04:49:21,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb626e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:49:21, skipping insertion in model container [2023-11-19 04:49:21,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:49:21" (1/1) ... [2023-11-19 04:49:21,732 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:49:22,010 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-11-19 04:49:22,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69012ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:49:22, skipping insertion in model container [2023-11-19 04:49:22,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:49:22,012 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:49:22,014 INFO L158 Benchmark]: Toolchain (without parser) took 338.11ms. Allocated memory is still 197.1MB. Free memory was 149.1MB in the beginning and 138.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:49:22,014 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:49:22,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.46ms. Allocated memory is still 197.1MB. Free memory was 149.1MB in the beginning and 138.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:49:22,017 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.46ms. Allocated memory is still 197.1MB. Free memory was 149.1MB in the beginning and 138.6MB 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: 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 04:49:24,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:49:24,743 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2023-11-19 04:49:24,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:49:24,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:49:24,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:49:24,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:49:24,786 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:49:24,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:49:24,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:49:24,788 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:49:24,789 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:49:24,789 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:49:24,790 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:49:24,790 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:49:24,791 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:49:24,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:49:24,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:49:24,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:49:24,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:49:24,794 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:49:24,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:49:24,795 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:49:24,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:49:24,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:49:24,797 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:49:24,797 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:49:24,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:49:24,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:49:24,799 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:49:24,799 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:49:24,799 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:49:24,800 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:49:24,800 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:49:24,800 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:49:24,801 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:49:24,801 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:49:24,801 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:49:24,802 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:49:24,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:49:24,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:49:24,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:49:24,803 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:49:24,803 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:49:24,804 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:49:24,804 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:49:24,804 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_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2023-11-19 04:49:25,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:49:25,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:49:25,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:49:25,255 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:49:25,257 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:49:25,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-19 04:49:28,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:49:28,843 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:49:28,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-19 04:49:28,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/data/4e6375b16/eb4937ec78454e48b6040a4b235b31d5/FLAG05efaecc0 [2023-11-19 04:49:28,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f094370c-dd1a-4657-9e7c-f2457b700df7/bin/utaipan-verify-t7M7D8N6sZ/data/4e6375b16/eb4937ec78454e48b6040a4b235b31d5 [2023-11-19 04:49:28,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:49:28,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:49:28,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:49:28,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:49:28,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:49:28,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:49:28" (1/1) ... [2023-11-19 04:49:28,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b5ef089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:49:28, skipping insertion in model container [2023-11-19 04:49:28,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:49:28" (1/1) ... [2023-11-19 04:49:28,975 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:49:29,267 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-11-19 04:49:29,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@aae7213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:49:29, skipping insertion in model container [2023-11-19 04:49:29,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:49:29,273 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:49:29,275 INFO L158 Benchmark]: Toolchain (without parser) took 376.71ms. Allocated memory is still 77.6MB. Free memory was 52.7MB in the beginning and 41.5MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:49:29,276 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 77.6MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:49:29,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.98ms. Allocated memory is still 77.6MB. Free memory was 52.5MB in the beginning and 41.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:49:29,279 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 77.6MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.98ms. Allocated memory is still 77.6MB. Free memory was 52.5MB in the beginning and 41.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. 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