./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e04fb08f 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_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- 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-e04fb08 [2022-11-16 16:10:13,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:10:13,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:10:13,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:10:13,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:10:13,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:10:13,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:10:13,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:10:13,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:10:13,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:10:13,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:10:13,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:10:13,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:10:13,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:10:13,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:10:13,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:10:13,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:10:13,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:10:13,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:10:13,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:10:13,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:10:13,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:10:13,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:10:13,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:10:13,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:10:13,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:10:13,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:10:13,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:10:13,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:10:13,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:10:13,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:10:13,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:10:13,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:10:13,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:10:13,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:10:13,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:10:13,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:10:13,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:10:13,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:10:13,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:10:13,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:10:13,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-16 16:10:13,418 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:10:13,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:10:13,419 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:10:13,419 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:10:13,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:10:13,420 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:10:13,420 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:10:13,420 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:10:13,420 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:10:13,421 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 16:10:13,421 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:10:13,421 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:10:13,421 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 16:10:13,421 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 16:10:13,421 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:10:13,422 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 16:10:13,422 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 16:10:13,422 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 16:10:13,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 16:10:13,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 16:10:13,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:10:13,423 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 16:10:13,423 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 16:10:13,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 16:10:13,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 16:10:13,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:10:13,424 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 16:10:13,424 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 16:10:13,424 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 16:10:13,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:10:13,425 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 16:10:13,425 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 16:10:13,425 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:10:13,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:10:13,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:10:13,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:10:13,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:10:13,426 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 16:10:13,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:10:13,426 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 16:10:13,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 16:10:13,427 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:10:13,427 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_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2022-11-16 16:10:13,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:10:13,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:10:13,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:10:13,761 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:10:13,762 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:10:13,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2022-11-16 16:10:13,837 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/data/66aeb0b34/600ed3d7f48a488894ccbed9592e7d1c/FLAG9a13108fe [2022-11-16 16:10:14,453 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:10:14,453 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/sv-benchmarks/c/memsafety/global-atexit-2.i [2022-11-16 16:10:14,465 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/data/66aeb0b34/600ed3d7f48a488894ccbed9592e7d1c/FLAG9a13108fe [2022-11-16 16:10:14,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/data/66aeb0b34/600ed3d7f48a488894ccbed9592e7d1c [2022-11-16 16:10:14,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:10:14,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:10:14,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:10:14,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:10:14,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:10:14,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:10:14" (1/1) ... [2022-11-16 16:10:14,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e3711c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:10:14, skipping insertion in model container [2022-11-16 16:10:14,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:10:14" (1/1) ... [2022-11-16 16:10:14,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:10:14,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:10:15,129 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-11-16 16:10:15,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7810952e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:10:15, skipping insertion in model container [2022-11-16 16:10:15,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:10:15,131 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 16:10:15,132 INFO L158 Benchmark]: Toolchain (without parser) took 392.18ms. Allocated memory is still 111.1MB. Free memory was 64.8MB in the beginning and 88.1MB in the end (delta: -23.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 16:10:15,133 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:10:15,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.89ms. Allocated memory is still 111.1MB. Free memory was 64.6MB in the beginning and 88.1MB in the end (delta: -23.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 16:10:15,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.89ms. Allocated memory is still 111.1MB. Free memory was 64.6MB in the beginning and 88.1MB in the end (delta: -23.5MB). Peak memory consumption was 6.3MB. 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_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- 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-e04fb08 [2022-11-16 16:10:17,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:10:17,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:10:17,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:10:17,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:10:17,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:10:17,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:10:17,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:10:17,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:10:17,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:10:17,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:10:17,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:10:17,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:10:17,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:10:17,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:10:17,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:10:17,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:10:17,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:10:17,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:10:17,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:10:17,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:10:17,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:10:17,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:10:17,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:10:17,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:10:17,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:10:17,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:10:17,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:10:17,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:10:17,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:10:17,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:10:17,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:10:17,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:10:17,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:10:17,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:10:17,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:10:17,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:10:17,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:10:17,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:10:17,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:10:17,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:10:17,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-16 16:10:17,460 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:10:17,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:10:17,462 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:10:17,462 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:10:17,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:10:17,464 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:10:17,464 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:10:17,464 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:10:17,464 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:10:17,465 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:10:17,466 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:10:17,477 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:10:17,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 16:10:17,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 16:10:17,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:10:17,479 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 16:10:17,480 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 16:10:17,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 16:10:17,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 16:10:17,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:10:17,481 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 16:10:17,481 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 16:10:17,481 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 16:10:17,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:10:17,482 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 16:10:17,482 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 16:10:17,482 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 16:10:17,482 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 16:10:17,483 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:10:17,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:10:17,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 16:10:17,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:10:17,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:10:17,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:10:17,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:10:17,485 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 16:10:17,485 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 16:10:17,485 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:10:17,486 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 16:10:17,486 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_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2022-11-16 16:10:17,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:10:17,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:10:17,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:10:17,894 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:10:17,894 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:10:17,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2022-11-16 16:10:17,967 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/data/6257c0da8/634ae8dfc4f64f79ae2ed924beae5ed6/FLAGf3062c970 [2022-11-16 16:10:18,528 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:10:18,529 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/sv-benchmarks/c/memsafety/global-atexit-2.i [2022-11-16 16:10:18,541 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/data/6257c0da8/634ae8dfc4f64f79ae2ed924beae5ed6/FLAGf3062c970 [2022-11-16 16:10:18,866 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed542fe6-2eb0-44fc-9de3-f39734feddfb/bin/utaipan-Xvt2sAort0/data/6257c0da8/634ae8dfc4f64f79ae2ed924beae5ed6 [2022-11-16 16:10:18,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:10:18,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:10:18,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:10:18,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:10:18,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:10:18,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:10:18" (1/1) ... [2022-11-16 16:10:18,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63097be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:10:18, skipping insertion in model container [2022-11-16 16:10:18,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:10:18" (1/1) ... [2022-11-16 16:10:18,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:10:18,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:10:19,357 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-11-16 16:10:19,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28d75187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:10:19, skipping insertion in model container [2022-11-16 16:10:19,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:10:19,360 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 16:10:19,362 INFO L158 Benchmark]: Toolchain (without parser) took 487.92ms. Allocated memory is still 56.6MB. Free memory was 33.8MB in the beginning and 39.8MB in the end (delta: -6.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 16:10:19,364 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 38.0MB in the end (delta: 52.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:10:19,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.06ms. Allocated memory is still 56.6MB. Free memory was 33.6MB in the beginning and 39.8MB in the end (delta: -6.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 16:10:19,368 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 38.0MB in the end (delta: 52.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.06ms. Allocated memory is still 56.6MB. Free memory was 33.6MB in the beginning and 39.8MB in the end (delta: -6.3MB). 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 Writing output log to file Ultimate.log Result: UNKNOWN