./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 ............................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:12:49,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:12:49,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:12:49,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:12:49,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:12:49,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:12:49,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:12:49,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:12:49,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:12:49,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:12:49,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:12:50,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:12:50,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:12:50,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:12:50,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:12:50,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:12:50,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:12:50,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:12:50,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:12:50,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:12:50,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:12:50,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:12:50,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:12:50,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:12:50,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:12:50,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:12:50,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:12:50,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:12:50,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:12:50,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:12:50,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:12:50,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:12:50,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:12:50,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:12:50,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:12:50,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:12:50,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:12:50,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:12:50,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:12:50,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:12:50,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:12:50,077 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2021-10-21 20:12:50,112 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:12:50,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:12:50,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:12:50,113 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:12:50,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:12:50,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:12:50,115 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:12:50,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:12:50,116 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:12:50,116 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:12:50,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:12:50,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:12:50,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:12:50,117 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 20:12:50,118 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 20:12:50,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:12:50,118 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 20:12:50,118 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:12:50,119 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:12:50,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:12:50,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:12:50,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:12:50,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:12:50,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:12:50,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:12:50,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:12:50,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:12:50,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:12:50,122 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_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2021-10-21 20:12:50,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:12:50,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:12:50,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:12:50,525 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:12:50,527 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:12:50,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-21 20:12:50,640 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/data/b7d7f351a/ce25230f506e45c69478e99fb777ee1c/FLAGdc9527c24 [2021-10-21 20:12:51,292 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:12:51,293 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-21 20:12:51,323 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/data/b7d7f351a/ce25230f506e45c69478e99fb777ee1c/FLAGdc9527c24 [2021-10-21 20:12:51,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/data/b7d7f351a/ce25230f506e45c69478e99fb777ee1c [2021-10-21 20:12:51,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:12:51,570 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 20:12:51,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:12:51,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:12:51,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:12:51,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:12:51" (1/1) ... [2021-10-21 20:12:51,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f54a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:51, skipping insertion in model container [2021-10-21 20:12:51,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:12:51" (1/1) ... [2021-10-21 20:12:51,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:12:51,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:12:52,031 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-10-21 20:12:52,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3437ae4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:52, skipping insertion in model container [2021-10-21 20:12:52,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:12:52,033 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-21 20:12:52,035 INFO L168 Benchmark]: Toolchain (without parser) took 464.26 ms. Allocated memory is still 92.3 MB. Free memory was 55.7 MB in the beginning and 68.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:12:52,036 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 92.3 MB. Free memory is still 73.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:12:52,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.67 ms. Allocated memory is still 92.3 MB. Free memory was 55.5 MB in the beginning and 68.3 MB in the end (delta: -12.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:12:52,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 92.3 MB. Free memory is still 73.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 459.67 ms. Allocated memory is still 92.3 MB. Free memory was 55.5 MB in the beginning and 68.3 MB in the end (delta: -12.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:12:54,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:12:54,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:12:54,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:12:54,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:12:54,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:12:54,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:12:55,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:12:55,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:12:55,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:12:55,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:12:55,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:12:55,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:12:55,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:12:55,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:12:55,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:12:55,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:12:55,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:12:55,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:12:55,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:12:55,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:12:55,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:12:55,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:12:55,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:12:55,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:12:55,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:12:55,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:12:55,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:12:55,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:12:55,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:12:55,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:12:55,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:12:55,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:12:55,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:12:55,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:12:55,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:12:55,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:12:55,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:12:55,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:12:55,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:12:55,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:12:55,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2021-10-21 20:12:55,127 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:12:55,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:12:55,133 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:12:55,133 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:12:55,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:12:55,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:12:55,137 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:12:55,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:12:55,137 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:12:55,137 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:12:55,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:12:55,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:12:55,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:12:55,140 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 20:12:55,140 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 20:12:55,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:12:55,141 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 20:12:55,141 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 20:12:55,141 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 20:12:55,142 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:12:55,142 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:12:55,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:12:55,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:12:55,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:12:55,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:12:55,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:12:55,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:12:55,144 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 20:12:55,144 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 20:12:55,145 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:12:55,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 20:12:55,145 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_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2021-10-21 20:12:55,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:12:55,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:12:55,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:12:55,629 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:12:55,630 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:12:55,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-21 20:12:55,709 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/data/036fd2564/e54e469462ad4c979f028b6a69147d75/FLAG98c28b5dd [2021-10-21 20:12:56,523 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:12:56,524 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-21 20:12:56,555 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/data/036fd2564/e54e469462ad4c979f028b6a69147d75/FLAG98c28b5dd [2021-10-21 20:12:56,797 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a587206-fde3-4613-a076-941ba21c1d23/bin/uautomizer-j4sWxH34Be/data/036fd2564/e54e469462ad4c979f028b6a69147d75 [2021-10-21 20:12:56,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:12:56,804 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 20:12:56,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:12:56,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:12:56,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:12:56,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:12:56" (1/1) ... [2021-10-21 20:12:56,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe3a083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:56, skipping insertion in model container [2021-10-21 20:12:56,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:12:56" (1/1) ... [2021-10-21 20:12:56,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:12:56,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:12:57,333 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-10-21 20:12:57,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b1cebce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:57, skipping insertion in model container [2021-10-21 20:12:57,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:12:57,335 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-21 20:12:57,338 INFO L168 Benchmark]: Toolchain (without parser) took 532.71 ms. Allocated memory is still 50.3 MB. Free memory was 24.8 MB in the beginning and 25.7 MB in the end (delta: -895.9 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:12:57,340 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 50.3 MB. Free memory was 30.1 MB in the beginning and 30.1 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:12:57,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.77 ms. Allocated memory is still 50.3 MB. Free memory was 24.6 MB in the beginning and 25.7 MB in the end (delta: -1.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:12:57,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 50.3 MB. Free memory was 30.1 MB in the beginning and 30.1 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 526.77 ms. Allocated memory is still 50.3 MB. Free memory was 24.6 MB in the beginning and 25.7 MB in the end (delta: -1.1 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: 566]: Unsupported Syntax Unsupported function: _Exit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...