./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 2329fc70 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_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh --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-2329fc7 [2022-12-14 15:56:05,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:56:05,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:56:05,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:56:05,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:56:05,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:56:05,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:56:05,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:56:05,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:56:05,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:56:05,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:56:05,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:56:05,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:56:05,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:56:05,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:56:05,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:56:05,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:56:05,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:56:05,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:56:05,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:56:05,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:56:05,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:56:05,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:56:05,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:56:05,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:56:05,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:56:05,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:56:05,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:56:05,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:56:05,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:56:05,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:56:05,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:56:05,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:56:05,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:56:05,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:56:05,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:56:05,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:56:05,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:56:05,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:56:05,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:56:05,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:56:05,617 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2022-12-14 15:56:05,638 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:56:05,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:56:05,643 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:56:05,643 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:56:05,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:56:05,644 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:56:05,644 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:56:05,645 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:56:05,645 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:56:05,645 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:56:05,645 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:56:05,645 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:56:05,645 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:56:05,646 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:56:05,646 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:56:05,646 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:56:05,646 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:56:05,646 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:56:05,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 15:56:05,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 15:56:05,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:56:05,647 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:56:05,647 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:56:05,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:56:05,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:56:05,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:56:05,648 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 15:56:05,648 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 15:56:05,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:56:05,649 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 15:56:05,649 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:56:05,649 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:56:05,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:56:05,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:56:05,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:56:05,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:56:05,650 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:56:05,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:56:05,650 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:56:05,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:56:05,650 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:56:05,651 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_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 [2022-12-14 15:56:05,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:56:05,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:56:05,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:56:05,839 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:56:05,839 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:56:05,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/memsafety/global-atexit.i [2022-12-14 15:56:08,463 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:56:08,675 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:56:08,675 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/sv-benchmarks/c/memsafety/global-atexit.i [2022-12-14 15:56:08,684 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/data/3458c3486/49cef22373e94669b115dd2ca7d77191/FLAG3679cff48 [2022-12-14 15:56:08,694 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/data/3458c3486/49cef22373e94669b115dd2ca7d77191 [2022-12-14 15:56:08,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:56:08,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:56:08,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:56:08,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:56:08,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:56:08,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:56:08" (1/1) ... [2022-12-14 15:56:08,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@714d5c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:08, skipping insertion in model container [2022-12-14 15:56:08,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:56:08" (1/1) ... [2022-12-14 15:56:08,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:56:08,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:56:08,896 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-12-14 15:56:08,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@486fb2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:08, skipping insertion in model container [2022-12-14 15:56:08,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:56:08,897 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 15:56:08,898 INFO L158 Benchmark]: Toolchain (without parser) took 200.34ms. Allocated memory is still 121.6MB. Free memory was 89.1MB in the beginning and 78.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 15:56:08,898 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory was 89.3MB in the beginning and 89.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:56:08,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.71ms. Allocated memory is still 121.6MB. Free memory was 88.7MB in the beginning and 78.5MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 15:56:08,899 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory was 89.3MB in the beginning and 89.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.71ms. Allocated memory is still 121.6MB. Free memory was 88.7MB in the beginning and 78.5MB in the end (delta: 10.2MB). 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_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh --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-2329fc7 [2022-12-14 15:56:10,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:56:10,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:56:10,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:56:10,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:56:10,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:56:10,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:56:10,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:56:10,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:56:10,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:56:10,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:56:10,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:56:10,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:56:10,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:56:10,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:56:10,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:56:10,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:56:10,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:56:10,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:56:10,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:56:10,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:56:10,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:56:10,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:56:10,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:56:10,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:56:10,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:56:10,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:56:10,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:56:10,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:56:10,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:56:10,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:56:10,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:56:10,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:56:10,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:56:10,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:56:10,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:56:10,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:56:10,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:56:10,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:56:10,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:56:10,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:56:10,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2022-12-14 15:56:10,377 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:56:10,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:56:10,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:56:10,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:56:10,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:56:10,378 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:56:10,378 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:56:10,379 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:56:10,379 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:56:10,379 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:56:10,379 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:56:10,379 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:56:10,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 15:56:10,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 15:56:10,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:56:10,381 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:56:10,381 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:56:10,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:56:10,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:56:10,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:56:10,382 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 15:56:10,382 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 15:56:10,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:56:10,382 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 15:56:10,382 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 15:56:10,383 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 15:56:10,383 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:56:10,383 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:56:10,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:56:10,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 15:56:10,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:56:10,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:56:10,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:56:10,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:56:10,384 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 15:56:10,385 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 15:56:10,385 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:56:10,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 15:56:10,385 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_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 [2022-12-14 15:56:10,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:56:10,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:56:10,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:56:10,636 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:56:10,636 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:56:10,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/memsafety/global-atexit.i [2022-12-14 15:56:13,237 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:56:13,438 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:56:13,439 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/sv-benchmarks/c/memsafety/global-atexit.i [2022-12-14 15:56:13,450 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/data/3a9bb1f61/29154ec8b36f4243ac70ab4479907909/FLAG9b3f7f942 [2022-12-14 15:56:13,464 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0c5e86-228b-410e-86bf-56c1ca7ecdae/bin/utaipan-gh47qXpMRh/data/3a9bb1f61/29154ec8b36f4243ac70ab4479907909 [2022-12-14 15:56:13,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:56:13,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:56:13,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:56:13,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:56:13,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:56:13,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:56:13" (1/1) ... [2022-12-14 15:56:13,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff6c460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:13, skipping insertion in model container [2022-12-14 15:56:13,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:56:13" (1/1) ... [2022-12-14 15:56:13,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:56:13,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:56:13,739 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-12-14 15:56:13,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@677e740b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:56:13, skipping insertion in model container [2022-12-14 15:56:13,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:56:13,740 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 15:56:13,741 INFO L158 Benchmark]: Toolchain (without parser) took 272.27ms. Allocated memory is still 81.8MB. Free memory was 59.5MB in the beginning and 48.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 15:56:13,742 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:56:13,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.07ms. Allocated memory is still 81.8MB. Free memory was 59.3MB in the beginning and 48.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 15:56:13,743 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.07ms. Allocated memory is still 81.8MB. Free memory was 59.3MB in the beginning and 48.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 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