./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 38b53e6a 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_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:49:45,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:49:45,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:49:45,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:49:46,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:49:46,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:49:46,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:49:46,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:49:46,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:49:46,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:49:46,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:49:46,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:49:46,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:49:46,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:49:46,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:49:46,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:49:46,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:49:46,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:49:46,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:49:46,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:49:46,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:49:46,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:49:46,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:49:46,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:49:46,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:49:46,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:49:46,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:49:46,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:49:46,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:49:46,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:49:46,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:49:46,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:49:46,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:49:46,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:49:46,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:49:46,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:49:46,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:49:46,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:49:46,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:49:46,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:49:46,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:49:46,067 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2022-11-26 00:49:46,116 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:49:46,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:49:46,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:49:46,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:49:46,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:49:46,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:49:46,119 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:49:46,119 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:49:46,119 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:49:46,119 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:49:46,120 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:49:46,121 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:49:46,121 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:49:46,121 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:49:46,121 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:49:46,121 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:49:46,122 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:49:46,122 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:49:46,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:49:46,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:49:46,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:49:46,123 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:49:46,123 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:49:46,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:49:46,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:49:46,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:49:46,124 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:49:46,124 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:49:46,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:49:46,125 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:49:46,125 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:49:46,125 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:49:46,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:49:46,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:49:46,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:49:46,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:49:46,126 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:49:46,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:49:46,126 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:49:46,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:49:46,127 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:49:46,127 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_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2022-11-26 00:49:46,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:49:46,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:49:46,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:49:46,478 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:49:46,478 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:49:46,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2022-11-26 00:49:49,660 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:49:49,955 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:49:49,956 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/sv-benchmarks/c/memsafety/global-atexit-2.i [2022-11-26 00:49:49,968 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/data/4326bba12/489ea234a76f480086f13107653d5a2c/FLAG0fa33df8c [2022-11-26 00:49:49,984 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/data/4326bba12/489ea234a76f480086f13107653d5a2c [2022-11-26 00:49:49,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:49:49,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:49:49,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:49:49,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:49:49,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:49:49,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:49:49" (1/1) ... [2022-11-26 00:49:50,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e7e8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:49:50, skipping insertion in model container [2022-11-26 00:49:50,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:49:49" (1/1) ... [2022-11-26 00:49:50,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:49:50,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:49:50,357 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-11-26 00:49:50,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3fbd40d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:49:50, skipping insertion in model container [2022-11-26 00:49:50,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:49:50,360 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:49:50,362 INFO L158 Benchmark]: Toolchain (without parser) took 373.28ms. Allocated memory is still 186.6MB. Free memory was 156.2MB in the beginning and 145.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:49:50,363 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:49:50,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.84ms. Allocated memory is still 186.6MB. Free memory was 155.7MB in the beginning and 145.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:49:50,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.84ms. Allocated memory is still 186.6MB. Free memory was 155.7MB in the beginning and 145.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 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_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:49:52,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:49:52,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:49:52,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:49:52,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:49:52,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:49:52,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:49:52,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:49:52,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:49:52,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:49:52,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:49:52,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:49:52,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:49:52,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:49:52,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:49:52,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:49:52,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:49:52,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:49:52,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:49:52,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:49:52,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:49:52,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:49:52,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:49:52,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:49:52,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:49:52,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:49:52,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:49:52,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:49:52,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:49:52,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:49:52,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:49:52,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:49:52,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:49:52,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:49:52,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:49:52,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:49:52,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:49:52,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:49:52,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:49:52,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:49:52,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:49:52,779 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2022-11-26 00:49:52,823 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:49:52,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:49:52,824 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:49:52,824 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:49:52,825 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:49:52,826 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:49:52,826 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:49:52,826 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:49:52,827 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:49:52,827 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:49:52,828 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:49:52,828 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:49:52,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:49:52,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:49:52,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:49:52,830 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:49:52,830 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:49:52,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:49:52,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:49:52,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:49:52,831 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:49:52,832 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:49:52,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:49:52,832 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:49:52,832 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:49:52,833 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:49:52,833 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:49:52,833 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:49:52,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:49:52,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:49:52,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:49:52,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:49:52,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:49:52,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:49:52,836 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:49:52,836 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:49:52,836 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:49:52,836 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:49:52,837 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_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2022-11-26 00:49:53,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:49:53,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:49:53,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:49:53,283 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:49:53,283 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:49:53,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2022-11-26 00:49:56,370 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:49:56,651 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:49:56,655 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/sv-benchmarks/c/memsafety/global-atexit-2.i [2022-11-26 00:49:56,667 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/data/ec5643dda/740fe4747e934b79bbf068505ea5b173/FLAG7e47b63d7 [2022-11-26 00:49:56,681 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7a5bd1-667c-4fb7-8c0c-bb33da30b84c/bin/utaipan-ByfvJB40ur/data/ec5643dda/740fe4747e934b79bbf068505ea5b173 [2022-11-26 00:49:56,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:49:56,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:49:56,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:49:56,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:49:56,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:49:56,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:49:56" (1/1) ... [2022-11-26 00:49:56,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f605e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:49:56, skipping insertion in model container [2022-11-26 00:49:56,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:49:56" (1/1) ... [2022-11-26 00:49:56,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:49:56,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:49:57,024 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-11-26 00:49:57,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2bc282e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:49:57, skipping insertion in model container [2022-11-26 00:49:57,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:49:57,025 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:49:57,027 INFO L158 Benchmark]: Toolchain (without parser) took 340.79ms. Allocated memory is still 75.5MB. Free memory was 53.2MB in the beginning and 42.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:49:57,027 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:49:57,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.37ms. Allocated memory is still 75.5MB. Free memory was 53.0MB in the beginning and 42.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:49:57,030 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.37ms. Allocated memory is still 75.5MB. Free memory was 53.0MB in the beginning and 42.0MB in the end (delta: 11.0MB). 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