./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 6b4ec56b 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_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --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 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:55:23,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:55:23,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:55:23,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:55:23,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:55:23,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:55:23,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:55:23,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:55:23,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:55:23,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:55:23,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:55:23,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:55:23,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:55:23,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:55:23,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:55:23,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:55:23,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:55:23,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:55:23,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:55:23,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:55:23,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:55:23,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:55:23,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:55:23,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:55:23,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:55:23,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:55:23,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:55:23,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:55:23,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:55:23,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:55:23,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:55:23,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:55:23,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:55:23,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:55:23,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:55:23,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:55:23,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:55:23,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:55:23,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:55:23,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:55:23,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:55:23,402 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2022-11-20 18:55:23,447 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:55:23,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:55:23,448 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 18:55:23,448 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 18:55:23,449 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:55:23,449 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 18:55:23,450 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 18:55:23,450 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 18:55:23,450 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 18:55:23,450 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 18:55:23,451 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 18:55:23,452 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 18:55:23,452 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 18:55:23,452 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 18:55:23,452 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 18:55:23,453 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 18:55:23,453 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 18:55:23,453 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 18:55:23,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:55:23,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:55:23,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:55:23,455 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:55:23,455 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:55:23,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:55:23,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:55:23,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:55:23,457 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 18:55:23,457 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 18:55:23,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:55:23,457 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:55:23,457 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:55:23,458 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:55:23,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:55:23,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 18:55:23,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 18:55:23,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:55:23,459 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 18:55:23,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:55:23,459 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 18:55:23,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:55:23,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 18:55:23,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 [2022-11-20 18:55:23,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:55:23,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:55:23,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:55:23,767 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:55:23,775 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:55:23,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/memsafety/global-atexit.i [2022-11-20 18:55:26,897 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:55:27,152 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:55:27,152 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/sv-benchmarks/c/memsafety/global-atexit.i [2022-11-20 18:55:27,164 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/data/ab177cae3/92ef77e6c1eb46eea52eab0038c9bfd1/FLAGf94a092a8 [2022-11-20 18:55:27,179 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/data/ab177cae3/92ef77e6c1eb46eea52eab0038c9bfd1 [2022-11-20 18:55:27,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:55:27,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:55:27,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:55:27,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:55:27,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:55:27,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:55:27" (1/1) ... [2022-11-20 18:55:27,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71cadd06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:27, skipping insertion in model container [2022-11-20 18:55:27,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:55:27" (1/1) ... [2022-11-20 18:55:27,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:55:27,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:55:27,518 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-11-20 18:55:27,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b72d7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:27, skipping insertion in model container [2022-11-20 18:55:27,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:55:27,521 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 18:55:27,523 INFO L158 Benchmark]: Toolchain (without parser) took 338.80ms. Allocated memory is still 201.3MB. Free memory was 154.3MB in the beginning and 142.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:55:27,523 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:55:27,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.38ms. Allocated memory is still 201.3MB. Free memory was 154.0MB in the beginning and 142.6MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:55:27,525 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.38ms. Allocated memory is still 201.3MB. Free memory was 154.0MB in the beginning and 142.6MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. 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_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --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 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:55:29,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:55:29,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:55:29,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:55:29,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:55:29,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:55:29,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:55:29,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:55:29,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:55:29,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:55:29,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:55:29,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:55:29,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:55:29,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:55:29,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:55:29,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:55:29,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:55:29,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:55:29,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:55:29,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:55:29,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:55:29,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:55:29,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:55:29,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:55:29,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:55:29,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:55:29,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:55:29,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:55:29,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:55:29,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:55:29,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:55:29,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:55:29,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:55:29,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:55:29,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:55:29,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:55:29,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:55:29,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:55:29,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:55:29,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:55:29,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:55:29,991 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2022-11-20 18:55:30,036 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:55:30,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:55:30,038 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 18:55:30,038 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 18:55:30,039 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:55:30,039 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 18:55:30,039 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 18:55:30,040 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 18:55:30,040 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 18:55:30,040 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 18:55:30,041 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 18:55:30,041 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 18:55:30,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:55:30,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:55:30,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:55:30,043 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:55:30,043 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:55:30,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:55:30,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:55:30,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:55:30,044 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 18:55:30,044 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 18:55:30,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:55:30,045 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:55:30,045 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:55:30,045 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:55:30,045 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:55:30,045 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:55:30,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:55:30,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 18:55:30,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 18:55:30,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 18:55:30,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:55:30,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:55:30,047 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:55:30,058 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:55:30,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 18:55:30,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:55:30,059 INFO L138 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_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 [2022-11-20 18:55:30,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:55:30,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:55:30,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:55:30,517 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:55:30,517 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:55:30,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/memsafety/global-atexit.i [2022-11-20 18:55:33,686 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:55:33,923 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:55:33,924 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/sv-benchmarks/c/memsafety/global-atexit.i [2022-11-20 18:55:33,936 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/data/98f51a3ca/4b3f295ecfe74b50b6de7d6f07403e85/FLAG25668ed9d [2022-11-20 18:55:33,956 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2dfa21-1513-48e6-94ae-4f616d9abe89/bin/utaipan-6cKwYrpEi9/data/98f51a3ca/4b3f295ecfe74b50b6de7d6f07403e85 [2022-11-20 18:55:33,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:55:33,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:55:33,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:55:33,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:55:33,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:55:33,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:55:33" (1/1) ... [2022-11-20 18:55:33,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dbb9dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:33, skipping insertion in model container [2022-11-20 18:55:33,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:55:33" (1/1) ... [2022-11-20 18:55:33,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:55:34,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:55:34,295 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-11-20 18:55:34,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b30098f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:34, skipping insertion in model container [2022-11-20 18:55:34,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:55:34,296 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 18:55:34,298 INFO L158 Benchmark]: Toolchain (without parser) took 337.26ms. Allocated memory is still 71.3MB. Free memory was 48.2MB in the beginning and 37.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:55:34,298 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:55:34,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.67ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 37.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:55:34,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.67ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 37.1MB 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