./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF --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 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:08:59,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:08:59,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:08:59,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:08:59,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:08:59,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:08:59,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:08:59,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:08:59,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:08:59,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:08:59,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:08:59,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:08:59,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:08:59,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:08:59,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:08:59,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:08:59,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:08:59,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:08:59,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:08:59,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:08:59,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:08:59,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:08:59,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:08:59,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:08:59,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:08:59,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:08:59,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:08:59,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:08:59,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:08:59,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:08:59,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:08:59,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:08:59,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:08:59,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:08:59,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:08:59,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:08:59,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:08:59,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:08:59,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:08:59,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:08:59,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:08:59,800 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2021-11-12 23:08:59,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:08:59,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:08:59,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:08:59,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:08:59,847 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:08:59,848 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:08:59,848 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:08:59,848 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:08:59,848 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:08:59,849 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:08:59,849 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:08:59,849 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:08:59,849 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:08:59,850 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:08:59,850 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:08:59,850 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:08:59,851 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 23:08:59,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 23:08:59,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:08:59,852 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:08:59,862 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 23:08:59,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:08:59,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:08:59,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:08:59,863 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 23:08:59,863 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 23:08:59,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:08:59,865 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:08:59,865 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:08:59,865 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:08:59,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:08:59,867 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:08:59,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:08:59,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:08:59,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:08:59,868 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:08:59,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:08:59,869 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:08:59,869 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:08:59,869 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_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 [2021-11-12 23:09:00,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:09:00,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:09:00,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:09:00,236 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:09:00,237 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:09:00,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/memsafety/global-atexit.i [2021-11-12 23:09:00,314 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/data/cc7d9050c/613be44a119545d694974ba5ae981f45/FLAG4098ba491 [2021-11-12 23:09:00,882 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:09:00,889 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/sv-benchmarks/c/memsafety/global-atexit.i [2021-11-12 23:09:00,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/data/cc7d9050c/613be44a119545d694974ba5ae981f45/FLAG4098ba491 [2021-11-12 23:09:01,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/data/cc7d9050c/613be44a119545d694974ba5ae981f45 [2021-11-12 23:09:01,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:09:01,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:09:01,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:09:01,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:09:01,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:09:01,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:09:01" (1/1) ... [2021-11-12 23:09:01,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230b4a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:09:01, skipping insertion in model container [2021-11-12 23:09:01,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:09:01" (1/1) ... [2021-11-12 23:09:01,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:09:01,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:09:01,565 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-12 23:09:01,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a79d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:09:01, skipping insertion in model container [2021-11-12 23:09:01,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:09:01,567 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:09:01,570 INFO L158 Benchmark]: Toolchain (without parser) took 396.05ms. Allocated memory is still 102.8MB. Free memory was 60.1MB in the beginning and 79.1MB in the end (delta: -19.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-12 23:09:01,570 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:09:01,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.16ms. Allocated memory is still 102.8MB. Free memory was 59.9MB in the beginning and 79.1MB in the end (delta: -19.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-12 23:09:01,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.16ms. Allocated memory is still 102.8MB. Free memory was 59.9MB in the beginning and 79.1MB in the end (delta: -19.2MB). Peak memory consumption was 4.2MB. 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF --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 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:09:03,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:09:03,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:09:04,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:09:04,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:09:04,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:09:04,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:09:04,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:09:04,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:09:04,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:09:04,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:09:04,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:09:04,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:09:04,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:09:04,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:09:04,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:09:04,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:09:04,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:09:04,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:09:04,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:09:04,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:09:04,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:09:04,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:09:04,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:09:04,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:09:04,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:09:04,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:09:04,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:09:04,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:09:04,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:09:04,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:09:04,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:09:04,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:09:04,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:09:04,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:09:04,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:09:04,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:09:04,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:09:04,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:09:04,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:09:04,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:09:04,119 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2021-11-12 23:09:04,159 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:09:04,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:09:04,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:09:04,164 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:09:04,164 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:09:04,165 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:09:04,165 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:09:04,165 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:09:04,165 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:09:04,165 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:09:04,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 23:09:04,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 23:09:04,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:09:04,167 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:09:04,167 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 23:09:04,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:09:04,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:09:04,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:09:04,168 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 23:09:04,168 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 23:09:04,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:09:04,168 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:09:04,168 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:09:04,168 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:09:04,169 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:09:04,169 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:09:04,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:09:04,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:09:04,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:09:04,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:09:04,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:09:04,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:09:04,170 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:09:04,170 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:09:04,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:09:04,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:09:04,171 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_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 [2021-11-12 23:09:04,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:09:04,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:09:04,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:09:04,583 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:09:04,583 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:09:04,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/memsafety/global-atexit.i [2021-11-12 23:09:04,664 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/data/5b95ae77f/f6242ac2488c40f6860060f0f45d15f3/FLAG6e09b8325 [2021-11-12 23:09:05,334 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:09:05,336 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/sv-benchmarks/c/memsafety/global-atexit.i [2021-11-12 23:09:05,357 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/data/5b95ae77f/f6242ac2488c40f6860060f0f45d15f3/FLAG6e09b8325 [2021-11-12 23:09:05,594 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22fcb813-d1ae-4b2e-8fc3-c29dee918ce4/bin/utaipan-vmNK8stdcF/data/5b95ae77f/f6242ac2488c40f6860060f0f45d15f3 [2021-11-12 23:09:05,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:09:05,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:09:05,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:09:05,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:09:05,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:09:05,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:09:05" (1/1) ... [2021-11-12 23:09:05,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501add2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:09:05, skipping insertion in model container [2021-11-12 23:09:05,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:09:05" (1/1) ... [2021-11-12 23:09:05,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:09:05,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:09:05,977 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-12 23:09:05,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@191af39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:09:05, skipping insertion in model container [2021-11-12 23:09:05,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:09:05,978 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:09:05,981 INFO L158 Benchmark]: Toolchain (without parser) took 379.02ms. Allocated memory is still 58.7MB. Free memory was 37.7MB in the beginning and 41.0MB in the end (delta: -3.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 23:09:05,983 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory is still 40.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:09:05,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.10ms. Allocated memory is still 58.7MB. Free memory was 37.5MB in the beginning and 41.2MB in the end (delta: -3.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 23:09:05,987 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory is still 40.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.10ms. Allocated memory is still 58.7MB. Free memory was 37.5MB in the beginning and 41.2MB in the end (delta: -3.6MB). Peak memory consumption was 12.6MB. 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