./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH --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 --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:02:41,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:02:41,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:02:41,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:02:41,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:02:41,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:02:41,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:02:41,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:02:41,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:02:41,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:02:41,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:02:41,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:02:41,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:02:41,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:02:41,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:02:41,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:02:41,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:02:41,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:02:41,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:02:41,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:02:41,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:02:41,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:02:41,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:02:41,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:02:41,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:02:41,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:02:41,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:02:41,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:02:41,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:02:41,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:02:41,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:02:41,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:02:41,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:02:41,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:02:41,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:02:41,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:02:41,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:02:41,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:02:41,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:02:41,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:02:41,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:02:41,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-03 05:02:41,192 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:02:41,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:02:41,193 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:02:41,194 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:02:41,194 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:02:41,200 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:02:41,200 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:02:41,200 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:02:41,200 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:02:41,200 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:02:41,201 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:02:41,201 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:02:41,201 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:02:41,202 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:02:41,202 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:02:41,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 05:02:41,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 05:02:41,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:02:41,203 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:02:41,204 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-03 05:02:41,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:02:41,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:02:41,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:02:41,204 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-03 05:02:41,205 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-03 05:02:41,205 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-03 05:02:41,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:02:41,207 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:02:41,208 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:02:41,208 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:02:41,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:02:41,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:02:41,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:02:41,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:02:41,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:02:41,209 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:02:41,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:02:41,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:02:41,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:02:41,210 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-11-03 05:02:41,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:02:41,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:02:41,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:02:41,510 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:02:41,511 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:02:41,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-03 05:02:41,571 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/data/4c1ff09de/8c98a3bed57a4fab8de98b8adec32347/FLAG6abf957d8 [2021-11-03 05:02:42,089 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:02:42,089 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-03 05:02:42,118 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/data/4c1ff09de/8c98a3bed57a4fab8de98b8adec32347/FLAG6abf957d8 [2021-11-03 05:02:42,408 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/data/4c1ff09de/8c98a3bed57a4fab8de98b8adec32347 [2021-11-03 05:02:42,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:02:42,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:02:42,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:02:42,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:02:42,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:02:42,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:02:42" (1/1) ... [2021-11-03 05:02:42,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762b1920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:02:42, skipping insertion in model container [2021-11-03 05:02:42,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:02:42" (1/1) ... [2021-11-03 05:02:42,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:02:42,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:02:42,756 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-03 05:02:42,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7660583f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:02:42, skipping insertion in model container [2021-11-03 05:02:42,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:02:42,757 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 05:02:42,759 INFO L168 Benchmark]: Toolchain (without parser) took 345.85 ms. Allocated memory is still 115.3 MB. Free memory was 71.4 MB in the beginning and 87.1 MB in the end (delta: -15.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 05:02:42,760 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 115.3 MB. Free memory is still 89.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:02:42,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.18 ms. Allocated memory is still 115.3 MB. Free memory was 71.2 MB in the beginning and 87.1 MB in the end (delta: -15.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 05:02:42,765 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 115.3 MB. Free memory is still 89.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 343.18 ms. Allocated memory is still 115.3 MB. Free memory was 71.2 MB in the beginning and 87.1 MB in the end (delta: -15.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH --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 --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:02:44,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:02:44,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:02:44,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:02:44,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:02:44,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:02:44,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:02:44,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:02:44,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:02:44,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:02:44,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:02:44,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:02:44,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:02:44,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:02:44,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:02:44,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:02:44,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:02:44,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:02:44,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:02:44,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:02:44,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:02:44,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:02:44,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:02:44,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:02:44,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:02:44,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:02:44,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:02:44,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:02:44,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:02:44,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:02:44,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:02:44,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:02:44,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:02:44,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:02:44,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:02:44,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:02:44,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:02:44,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:02:44,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:02:44,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:02:44,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:02:44,994 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-03 05:02:45,036 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:02:45,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:02:45,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:02:45,038 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:02:45,038 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:02:45,038 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:02:45,038 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:02:45,039 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:02:45,039 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:02:45,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 05:02:45,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 05:02:45,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:02:45,042 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:02:45,042 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-03 05:02:45,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:02:45,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:02:45,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:02:45,043 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-03 05:02:45,043 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-03 05:02:45,043 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-03 05:02:45,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:02:45,044 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:02:45,044 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:02:45,044 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:02:45,045 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:02:45,045 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:02:45,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:02:45,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:02:45,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:02:45,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:02:45,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:02:45,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:02:45,047 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:02:45,047 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:02:45,047 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:02:45,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:02:45,048 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_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-11-03 05:02:45,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:02:45,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:02:45,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:02:45,478 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:02:45,479 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:02:45,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-03 05:02:45,560 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/data/7c37bd070/46186034b4534814863b7a7f34ff0b5f/FLAGedfbda0f0 [2021-11-03 05:02:46,141 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:02:46,142 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-03 05:02:46,161 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/data/7c37bd070/46186034b4534814863b7a7f34ff0b5f/FLAGedfbda0f0 [2021-11-03 05:02:46,399 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e988b8e1-6e21-432b-8d16-79a571697e2e/bin/utaipan-aC7eJsxGYH/data/7c37bd070/46186034b4534814863b7a7f34ff0b5f [2021-11-03 05:02:46,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:02:46,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:02:46,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:02:46,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:02:46,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:02:46,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:02:46" (1/1) ... [2021-11-03 05:02:46,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44b78b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:02:46, skipping insertion in model container [2021-11-03 05:02:46,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:02:46" (1/1) ... [2021-11-03 05:02:46,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:02:46,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:02:46,798 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-03 05:02:46,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@73a9b6f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:02:46, skipping insertion in model container [2021-11-03 05:02:46,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:02:46,805 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 05:02:46,807 INFO L168 Benchmark]: Toolchain (without parser) took 396.63 ms. Allocated memory is still 83.9 MB. Free memory was 47.1 MB in the beginning and 67.6 MB in the end (delta: -20.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-11-03 05:02:46,808 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 64.9 MB in the beginning and 64.9 MB in the end (delta: 72.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:02:46,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.04 ms. Allocated memory is still 83.9 MB. Free memory was 46.9 MB in the beginning and 67.6 MB in the end (delta: -20.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-11-03 05:02:46,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 64.9 MB in the beginning and 64.9 MB in the end (delta: 72.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 394.04 ms. Allocated memory is still 83.9 MB. Free memory was 46.9 MB in the beginning and 67.6 MB in the end (delta: -20.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * 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