./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 6b4ec56b 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_41e455b4-427d-4f03-9baa-c435a59c47ba/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/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_41e455b4-427d-4f03-9baa-c435a59c47ba/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/bin/utaipan-6cKwYrpEi9/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/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_41e455b4-427d-4f03-9baa-c435a59c47ba/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 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- 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 20:49:17,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:49:17,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:49:17,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:49:17,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:49:17,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:49:17,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:49:17,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:49:17,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:49:17,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:49:17,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:49:17,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:49:17,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:49:17,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:49:17,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:49:17,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:49:17,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:49:17,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:49:17,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:49:17,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:49:17,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:49:17,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:49:17,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:49:17,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:49:17,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:49:17,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:49:17,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:49:17,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:49:17,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:49:17,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:49:17,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:49:17,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:49:17,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:49:17,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:49:17,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:49:17,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:49:17,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:49:17,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:49:17,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:49:17,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:49:17,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:49:17,436 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/bin/utaipan-6cKwYrpEi9/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2022-11-20 20:49:17,468 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:49:17,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:49:17,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:49:17,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:49:17,471 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:49:17,471 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:49:17,471 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:49:17,471 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:49:17,472 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:49:17,472 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:49:17,473 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:49:17,473 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:49:17,473 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:49:17,474 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:49:17,474 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:49:17,474 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:49:17,474 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:49:17,475 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:49:17,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 20:49:17,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 20:49:17,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:49:17,476 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:49:17,476 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 20:49:17,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:49:17,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:49:17,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:49:17,477 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 20:49:17,478 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 20:49:17,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:49:17,478 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 20:49:17,479 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:49:17,479 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:49:17,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:49:17,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:49:17,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:49:17,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:49:17,480 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:49:17,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:49:17,481 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:49:17,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:49:17,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:49:17,481 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_41e455b4-427d-4f03-9baa-c435a59c47ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2022-11-20 20:49:17,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:49:17,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:49:17,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:49:17,816 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:49:17,816 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:49:17,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2022-11-20 20:49:20,805 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:49:21,055 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:49:21,055 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/sv-benchmarks/c/memsafety/global-atexit-1.i [2022-11-20 20:49:21,067 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/bin/utaipan-6cKwYrpEi9/data/c746f3b7f/11b1ef22881247768d02a43007f2df8a/FLAGbd31f2095 [2022-11-20 20:49:21,082 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/bin/utaipan-6cKwYrpEi9/data/c746f3b7f/11b1ef22881247768d02a43007f2df8a [2022-11-20 20:49:21,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:49:21,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:49:21,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:49:21,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:49:21,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:49:21,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:49:21" (1/1) ... [2022-11-20 20:49:21,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf5f5d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:21, skipping insertion in model container [2022-11-20 20:49:21,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:49:21" (1/1) ... [2022-11-20 20:49:21,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:49:21,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:49:21,417 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2022-11-20 20:49:21,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@194ddec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:21, skipping insertion in model container [2022-11-20 20:49:21,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:49:21,419 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 20:49:21,421 INFO L158 Benchmark]: Toolchain (without parser) took 333.27ms. Allocated memory is still 184.5MB. Free memory was 138.3MB in the beginning and 127.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 20:49:21,421 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory was 96.5MB in the beginning and 96.4MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:49:21,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.93ms. Allocated memory is still 184.5MB. Free memory was 138.3MB in the beginning and 127.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 20:49:21,424 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory was 96.5MB in the beginning and 96.4MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.93ms. Allocated memory is still 184.5MB. Free memory was 138.3MB in the beginning and 127.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/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_41e455b4-427d-4f03-9baa-c435a59c47ba/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/bin/utaipan-6cKwYrpEi9/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/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_41e455b4-427d-4f03-9baa-c435a59c47ba/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 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- 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 20:49:23,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:49:23,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:49:23,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:49:23,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:49:23,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:49:23,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:49:23,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:49:23,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:49:23,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:49:23,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:49:23,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:49:23,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:49:23,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:49:23,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:49:23,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:49:23,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:49:23,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:49:23,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:49:23,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:49:23,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:49:23,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:49:23,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:49:23,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:49:23,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:49:23,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:49:23,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:49:23,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:49:23,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:49:23,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:49:23,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:49:23,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:49:23,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:49:23,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:49:23,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:49:23,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:49:23,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:49:23,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:49:23,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:49:23,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:49:23,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:49:23,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/bin/utaipan-6cKwYrpEi9/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2022-11-20 20:49:23,611 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:49:23,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:49:23,612 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:49:23,612 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:49:23,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:49:23,613 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:49:23,613 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:49:23,614 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:49:23,614 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:49:23,614 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:49:23,614 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:49:23,614 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:49:23,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 20:49:23,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 20:49:23,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:49:23,616 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:49:23,616 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 20:49:23,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:49:23,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:49:23,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:49:23,617 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 20:49:23,617 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 20:49:23,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:49:23,617 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 20:49:23,618 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 20:49:23,618 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 20:49:23,618 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:49:23,618 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:49:23,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:49:23,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 20:49:23,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:49:23,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:49:23,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:49:23,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:49:23,620 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 20:49:23,620 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 20:49:23,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:49:23,621 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 20:49:23,621 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_41e455b4-427d-4f03-9baa-c435a59c47ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2022-11-20 20:49:23,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:49:23,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:49:24,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:49:24,003 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:49:24,003 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:49:24,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2022-11-20 20:49:27,072 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:49:27,278 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:49:27,278 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/sv-benchmarks/c/memsafety/global-atexit-1.i [2022-11-20 20:49:27,294 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/bin/utaipan-6cKwYrpEi9/data/1bd395e4e/5aacb87a1f8849338fe930dca941e49c/FLAG661163797 [2022-11-20 20:49:27,309 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e455b4-427d-4f03-9baa-c435a59c47ba/bin/utaipan-6cKwYrpEi9/data/1bd395e4e/5aacb87a1f8849338fe930dca941e49c [2022-11-20 20:49:27,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:49:27,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:49:27,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:49:27,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:49:27,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:49:27,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:49:27" (1/1) ... [2022-11-20 20:49:27,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ccec77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:27, skipping insertion in model container [2022-11-20 20:49:27,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:49:27" (1/1) ... [2022-11-20 20:49:27,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:49:27,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:49:27,645 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2022-11-20 20:49:27,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@458136a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:27, skipping insertion in model container [2022-11-20 20:49:27,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:49:27,647 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 20:49:27,649 INFO L158 Benchmark]: Toolchain (without parser) took 334.95ms. Allocated memory is still 65.0MB. Free memory was 32.0MB in the beginning and 38.2MB in the end (delta: -6.2MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-11-20 20:49:27,649 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:49:27,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.73ms. Allocated memory is still 65.0MB. Free memory was 31.8MB in the beginning and 38.4MB in the end (delta: -6.6MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-11-20 20:49:27,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.73ms. Allocated memory is still 65.0MB. Free memory was 31.8MB in the beginning and 38.4MB in the end (delta: -6.6MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN