./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS --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 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 --- 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-8393723 [2022-11-19 06:47:44,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:47:44,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:47:45,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:47:45,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:47:45,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:47:45,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:47:45,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:47:45,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:47:45,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:47:45,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:47:45,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:47:45,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:47:45,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:47:45,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:47:45,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:47:45,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:47:45,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:47:45,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:47:45,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:47:45,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:47:45,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:47:45,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:47:45,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:47:45,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:47:45,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:47:45,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:47:45,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:47:45,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:47:45,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:47:45,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:47:45,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:47:45,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:47:45,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:47:45,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:47:45,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:47:45,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:47:45,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:47:45,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:47:45,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:47:45,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:47:45,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-19 06:47:45,173 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:47:45,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:47:45,175 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:47:45,175 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:47:45,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:47:45,176 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:47:45,177 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:47:45,177 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:47:45,177 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:47:45,178 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:47:45,179 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:47:45,179 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:47:45,180 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:47:45,180 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:47:45,180 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:47:45,180 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:47:45,181 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:47:45,181 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:47:45,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 06:47:45,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 06:47:45,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:47:45,183 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:47:45,183 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:47:45,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:47:45,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:47:45,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:47:45,184 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 06:47:45,184 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 06:47:45,185 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 06:47:45,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:47:45,185 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 06:47:45,186 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:47:45,186 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:47:45,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:47:45,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:47:45,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:47:45,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:47:45,187 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:47:45,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:47:45,188 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:47:45,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:47:45,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:47:45,188 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_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2022-11-19 06:47:45,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:47:45,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:47:45,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:47:45,576 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:47:45,576 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:47:45,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2022-11-19 06:47:45,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/data/9dc645f5c/dba11a1978ee4ba9818e058cbbeb98d9/FLAGc5c488fb9 [2022-11-19 06:47:46,184 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:47:46,185 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/sv-benchmarks/c/memsafety/global-atexit-5.i [2022-11-19 06:47:46,203 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/data/9dc645f5c/dba11a1978ee4ba9818e058cbbeb98d9/FLAGc5c488fb9 [2022-11-19 06:47:46,617 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/data/9dc645f5c/dba11a1978ee4ba9818e058cbbeb98d9 [2022-11-19 06:47:46,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:47:46,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:47:46,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:47:46,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:47:46,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:47:46,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:47:46" (1/1) ... [2022-11-19 06:47:46,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c9e455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:46, skipping insertion in model container [2022-11-19 06:47:46,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:47:46" (1/1) ... [2022-11-19 06:47:46,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:47:46,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:47:47,001 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-11-19 06:47:47,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@567e8dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:47, skipping insertion in model container [2022-11-19 06:47:47,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:47:47,002 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 06:47:47,004 INFO L158 Benchmark]: Toolchain (without parser) took 381.43ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 49.1MB in the beginning and 90.3MB in the end (delta: -41.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 06:47:47,004 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:47:47,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.94ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 48.8MB in the beginning and 90.3MB in the end (delta: -41.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 06:47:47,007 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.94ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 48.8MB in the beginning and 90.3MB in the end (delta: -41.5MB). 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS --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 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 --- 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-8393723 [2022-11-19 06:47:49,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:47:49,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:47:49,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:47:49,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:47:49,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:47:49,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:47:49,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:47:49,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:47:49,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:47:49,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:47:49,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:47:49,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:47:49,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:47:49,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:47:49,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:47:49,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:47:49,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:47:49,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:47:49,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:47:49,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:47:49,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:47:49,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:47:49,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:47:49,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:47:49,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:47:49,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:47:49,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:47:49,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:47:49,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:47:49,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:47:49,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:47:49,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:47:49,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:47:49,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:47:49,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:47:49,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:47:49,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:47:49,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:47:49,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:47:49,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:47:49,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-19 06:47:49,357 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:47:49,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:47:49,359 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:47:49,359 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:47:49,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:47:49,360 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:47:49,360 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:47:49,361 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:47:49,361 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:47:49,361 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:47:49,362 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:47:49,363 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:47:49,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 06:47:49,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 06:47:49,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:47:49,365 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:47:49,365 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:47:49,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:47:49,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:47:49,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:47:49,366 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 06:47:49,366 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 06:47:49,366 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 06:47:49,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:47:49,367 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 06:47:49,367 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 06:47:49,367 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 06:47:49,367 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:47:49,368 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:47:49,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:47:49,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 06:47:49,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:47:49,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:47:49,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:47:49,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:47:49,370 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 06:47:49,370 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 06:47:49,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:47:49,371 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 06:47:49,371 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_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2022-11-19 06:47:49,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:47:49,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:47:49,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:47:49,844 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:47:49,845 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:47:49,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2022-11-19 06:47:49,921 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/data/e383eae09/c046aef8452842878d7371d33f0c68ca/FLAG834b436de [2022-11-19 06:47:50,499 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:47:50,500 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/sv-benchmarks/c/memsafety/global-atexit-5.i [2022-11-19 06:47:50,512 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/data/e383eae09/c046aef8452842878d7371d33f0c68ca/FLAG834b436de [2022-11-19 06:47:50,824 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c044bf-fc3d-4ead-9d28-14463dfc45e9/bin/utaipan-I9t0OCRTmS/data/e383eae09/c046aef8452842878d7371d33f0c68ca [2022-11-19 06:47:50,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:47:50,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:47:50,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:47:50,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:47:50,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:47:50,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:47:50" (1/1) ... [2022-11-19 06:47:50,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5600a6b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:50, skipping insertion in model container [2022-11-19 06:47:50,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:47:50" (1/1) ... [2022-11-19 06:47:50,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:47:50,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:47:51,268 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-11-19 06:47:51,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4a015bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:51, skipping insertion in model container [2022-11-19 06:47:51,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:47:51,270 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 06:47:51,272 INFO L158 Benchmark]: Toolchain (without parser) took 442.04ms. Allocated memory is still 75.5MB. Free memory was 56.6MB in the beginning and 58.6MB in the end (delta: -2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 06:47:51,274 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 75.5MB. Free memory was 56.2MB in the beginning and 56.1MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:47:51,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.74ms. Allocated memory is still 75.5MB. Free memory was 56.4MB in the beginning and 58.6MB in the end (delta: -2.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 06:47:51,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 75.5MB. Free memory was 56.2MB in the beginning and 56.1MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.74ms. Allocated memory is still 75.5MB. Free memory was 56.4MB in the beginning and 58.6MB in the end (delta: -2.2MB). 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 Writing output log to file Ultimate.log Result: UNKNOWN