./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 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8 --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-47ea020 [2021-11-07 01:23:25,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:23:25,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:23:25,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:23:25,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:23:25,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:23:25,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:23:25,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:23:25,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:23:25,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:23:25,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:23:25,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:23:25,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:23:25,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:23:25,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:23:25,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:23:25,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:23:25,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:23:25,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:23:25,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:23:25,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:23:26,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:23:26,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:23:26,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:23:26,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:23:26,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:23:26,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:23:26,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:23:26,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:23:26,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:23:26,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:23:26,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:23:26,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:23:26,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:23:26,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:23:26,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:23:26,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:23:26,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:23:26,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:23:26,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:23:26,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:23:26,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-07 01:23:26,044 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:23:26,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:23:26,045 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:23:26,046 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:23:26,046 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:23:26,046 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:23:26,046 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:23:26,047 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:23:26,047 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:23:26,047 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:23:26,047 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:23:26,047 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:23:26,048 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:23:26,048 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:23:26,048 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:23:26,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:23:26,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:23:26,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:23:26,049 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:23:26,049 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:23:26,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:23:26,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:23:26,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:23:26,050 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:23:26,050 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:23:26,050 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:23:26,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:23:26,051 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:23:26,051 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:23:26,051 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:23:26,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:23:26,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:23:26,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:23:26,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:23:26,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:23:26,052 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:23:26,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:23:26,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:23:26,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:23:26,053 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_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-11-07 01:23:26,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:23:26,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:23:26,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:23:26,381 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:23:26,383 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:23:26,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-07 01:23:26,443 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/data/f588b6b3e/43ae9505de194126a0a9fbd88b4289b8/FLAG544220c45 [2021-11-07 01:23:26,962 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:23:26,963 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-07 01:23:26,987 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/data/f588b6b3e/43ae9505de194126a0a9fbd88b4289b8/FLAG544220c45 [2021-11-07 01:23:27,284 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/data/f588b6b3e/43ae9505de194126a0a9fbd88b4289b8 [2021-11-07 01:23:27,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:23:27,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:23:27,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:27,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:23:27,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:23:27,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:27" (1/1) ... [2021-11-07 01:23:27,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75c897f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:27, skipping insertion in model container [2021-11-07 01:23:27,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:27" (1/1) ... [2021-11-07 01:23:27,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:23:27,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:23:27,680 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-07 01:23:27,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f77209e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:27, skipping insertion in model container [2021-11-07 01:23:27,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:27,681 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:23:27,683 INFO L168 Benchmark]: Toolchain (without parser) took 394.91 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 49.4 MB in the beginning and 83.8 MB in the end (delta: -34.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:27,684 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 88.1 MB. Free memory is still 67.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:23:27,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.38 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 49.2 MB in the beginning and 83.8 MB in the end (delta: -34.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:27,687 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 88.1 MB. Free memory is still 67.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 389.38 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 49.2 MB in the beginning and 83.8 MB in the end (delta: -34.7 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_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8 --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-47ea020 [2021-11-07 01:23:30,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:23:30,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:23:30,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:23:30,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:23:30,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:23:30,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:23:30,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:23:30,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:23:30,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:23:30,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:23:30,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:23:30,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:23:30,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:23:30,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:23:30,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:23:30,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:23:30,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:23:30,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:23:30,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:23:30,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:23:30,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:23:30,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:23:30,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:23:30,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:23:30,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:23:30,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:23:30,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:23:30,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:23:30,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:23:30,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:23:30,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:23:30,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:23:30,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:23:30,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:23:30,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:23:30,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:23:30,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:23:30,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:23:30,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:23:30,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:23:30,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-07 01:23:30,248 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:23:30,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:23:30,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:23:30,250 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:23:30,250 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:23:30,251 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:23:30,251 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:23:30,251 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:23:30,251 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:23:30,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:23:30,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:23:30,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:23:30,254 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:23:30,254 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:23:30,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:23:30,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:23:30,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:23:30,255 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:23:30,255 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:23:30,255 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:23:30,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:23:30,256 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:23:30,256 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:23:30,256 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:23:30,256 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:23:30,256 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:23:30,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:23:30,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:23:30,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:23:30,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:23:30,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:23:30,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:23:30,258 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:23:30,258 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:23:30,259 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:23:30,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:23:30,259 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_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-11-07 01:23:30,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:23:30,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:23:30,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:23:30,672 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:23:30,676 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:23:30,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-07 01:23:30,751 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/data/0a56ac38c/b2ea94b90c9c4c38aa7d0ed8870d38ac/FLAG4551ec421 [2021-11-07 01:23:31,328 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:23:31,328 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-07 01:23:31,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/data/0a56ac38c/b2ea94b90c9c4c38aa7d0ed8870d38ac/FLAG4551ec421 [2021-11-07 01:23:31,620 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1307937a-1576-4fc1-8889-6e9d8bb0109b/bin/utaipan-UUZaoUuFF8/data/0a56ac38c/b2ea94b90c9c4c38aa7d0ed8870d38ac [2021-11-07 01:23:31,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:23:31,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:23:31,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:31,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:23:31,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:23:31,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:31" (1/1) ... [2021-11-07 01:23:31,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6474682b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:31, skipping insertion in model container [2021-11-07 01:23:31,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:31" (1/1) ... [2021-11-07 01:23:31,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:23:31,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:23:32,035 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-07 01:23:32,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37ec1883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:32, skipping insertion in model container [2021-11-07 01:23:32,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:32,039 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:23:32,042 INFO L168 Benchmark]: Toolchain (without parser) took 416.02 ms. Allocated memory is still 54.5 MB. Free memory was 29.3 MB in the beginning and 36.5 MB in the end (delta: -7.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:32,044 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory was 34.2 MB in the beginning and 34.2 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:23:32,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.80 ms. Allocated memory is still 54.5 MB. Free memory was 29.1 MB in the beginning and 36.5 MB in the end (delta: -7.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:32,048 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory was 34.2 MB in the beginning and 34.2 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 412.80 ms. Allocated memory is still 54.5 MB. Free memory was 29.1 MB in the beginning and 36.5 MB in the end (delta: -7.4 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