./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 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_fbcce1af-ecbb-4d64-99c4-f346f2443aea/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcce1af-ecbb-4d64-99c4-f346f2443aea/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_fbcce1af-ecbb-4d64-99c4-f346f2443aea/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcce1af-ecbb-4d64-99c4-f346f2443aea/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcce1af-ecbb-4d64-99c4-f346f2443aea/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_fbcce1af-ecbb-4d64-99c4-f346f2443aea/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 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- 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 [2022-11-25 22:27:27,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:27:27,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:27:27,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:27:27,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:27:27,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:27:27,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:27:27,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:27:27,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:27:27,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:27:27,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:27:27,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:27:27,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:27:27,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:27:27,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:27:27,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:27:27,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:27:27,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:27:27,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:27:27,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:27:27,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:27:27,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:27:27,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:27:27,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:27:27,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:27:27,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:27:27,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:27:27,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:27:27,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:27:27,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:27:27,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:27:27,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:27:27,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:27:27,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:27:27,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:27:27,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:27:27,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:27:27,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:27:27,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:27:27,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:27:27,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:27:27,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcce1af-ecbb-4d64-99c4-f346f2443aea/bin/utaipan-ByfvJB40ur/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2022-11-25 22:27:27,248 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:27:27,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:27:27,249 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:27:27,249 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:27:27,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:27:27,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:27:27,250 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:27:27,250 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:27:27,250 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:27:27,250 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:27:27,251 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:27:27,251 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:27:27,251 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:27:27,251 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:27:27,252 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:27:27,252 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:27:27,257 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:27:27,257 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:27:27,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 22:27:27,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 22:27:27,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:27:27,259 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:27:27,259 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:27:27,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:27:27,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:27:27,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:27:27,261 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 22:27:27,261 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 22:27:27,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:27:27,262 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:27:27,262 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:27:27,263 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:27:27,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:27:27,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:27:27,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:27:27,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:27:27,265 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:27:27,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:27:27,265 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:27:27,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:27:27,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:27:27,266 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_fbcce1af-ecbb-4d64-99c4-f346f2443aea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcce1af-ecbb-4d64-99c4-f346f2443aea/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2022-11-25 22:27:27,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:27:27,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:27:27,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:27:27,665 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:27:27,666 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:27:27,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcce1af-ecbb-4d64-99c4-f346f2443aea/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2022-11-25 22:27:30,799 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:27:31,087 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:27:31,088 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcce1af-ecbb-4d64-99c4-f346f2443aea/sv-benchmarks/c/memsafety/global-atexit-1.i [2022-11-25 22:27:31,108 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcce1af-ecbb-4d64-99c4-f346f2443aea/bin/utaipan-ByfvJB40ur/data/94076838d/3ffcf182e6074d50980101a59f8ca5bd/FLAGc818bf657 [2022-11-25 22:27:31,126 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcce1af-ecbb-4d64-99c4-f346f2443aea/bin/utaipan-ByfvJB40ur/data/94076838d/3ffcf182e6074d50980101a59f8ca5bd [2022-11-25 22:27:31,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:27:31,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:27:31,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:27:31,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:27:31,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:27:31,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:27:31" (1/1) ... [2022-11-25 22:27:31,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd36a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:31, skipping insertion in model container [2022-11-25 22:27:31,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:27:31" (1/1) ... [2022-11-25 22:27:31,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:27:31,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:27:31,569 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2022-11-25 22:27:31,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ea1d3be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:31, skipping insertion in model container [2022-11-25 22:27:31,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:27:31,571 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 22:27:31,573 INFO L158 Benchmark]: Toolchain (without parser) took 441.47ms. Allocated memory is still 203.4MB. Free memory was 170.4MB in the beginning and 159.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 22:27:31,574 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 138.4MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:27:31,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.69ms. Allocated memory is still 203.4MB. Free memory was 170.4MB in the beginning and 159.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 22:27:31,577 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 138.4MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.69ms. Allocated memory is still 203.4MB. Free memory was 170.4MB in the beginning and 159.5MB 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: 566]: Unsupported Syntax Unsupported function: _Exit 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_fbcce1af-ecbb-4d64-99c4-f346f2443aea/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcce1af-ecbb-4d64-99c4-f346f2443aea/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_fbcce1af-ecbb-4d64-99c4-f346f2443aea/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcce1af-ecbb-4d64-99c4-f346f2443aea/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcce1af-ecbb-4d64-99c4-f346f2443aea/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_fbcce1af-ecbb-4d64-99c4-f346f2443aea/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 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- 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 [2022-11-25 22:27:33,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:27:33,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:27:33,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:27:33,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:27:33,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:27:33,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:27:33,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:27:33,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:27:33,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:27:33,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:27:33,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:27:33,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:27:33,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:27:33,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:27:33,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:27:33,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:27:33,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:27:33,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:27:33,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:27:33,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:27:33,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:27:33,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:27:33,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:27:33,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:27:33,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:27:33,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:27:33,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:27:33,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:27:33,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:27:33,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:27:33,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:27:33,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:27:33,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:27:33,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:27:33,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:27:33,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:27:33,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:27:33,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:27:33,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:27:33,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:27:33,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcce1af-ecbb-4d64-99c4-f346f2443aea/bin/utaipan-ByfvJB40ur/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2022-11-25 22:27:33,969 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:27:33,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:27:33,970 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:27:33,970 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:27:33,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:27:33,972 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:27:33,972 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:27:33,972 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:27:33,972 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:27:33,972 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:27:33,974 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:27:33,974 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:27:33,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 22:27:33,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 22:27:33,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:27:33,975 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:27:33,975 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:27:33,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:27:33,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:27:33,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:27:33,976 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 22:27:33,976 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 22:27:33,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:27:33,977 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:27:33,977 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:27:33,977 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:27:33,977 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:27:33,977 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:27:33,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:27:33,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:27:33,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:27:33,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:27:33,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:27:33,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:27:33,979 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:27:33,979 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:27:33,979 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:27:33,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:27:33,980 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_fbcce1af-ecbb-4d64-99c4-f346f2443aea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcce1af-ecbb-4d64-99c4-f346f2443aea/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2022-11-25 22:27:34,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:27:34,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:27:34,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:27:34,449 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:27:34,449 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:27:34,451 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcce1af-ecbb-4d64-99c4-f346f2443aea/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2022-11-25 22:27:37,671 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:27:38,022 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:27:38,033 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcce1af-ecbb-4d64-99c4-f346f2443aea/sv-benchmarks/c/memsafety/global-atexit-1.i [2022-11-25 22:27:38,052 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcce1af-ecbb-4d64-99c4-f346f2443aea/bin/utaipan-ByfvJB40ur/data/4374562fb/e4b80223ae5748c1b64fbad944b13926/FLAGcebf83d3d [2022-11-25 22:27:38,070 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbcce1af-ecbb-4d64-99c4-f346f2443aea/bin/utaipan-ByfvJB40ur/data/4374562fb/e4b80223ae5748c1b64fbad944b13926 [2022-11-25 22:27:38,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:27:38,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:27:38,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:27:38,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:27:38,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:27:38,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:27:38" (1/1) ... [2022-11-25 22:27:38,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f8214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:38, skipping insertion in model container [2022-11-25 22:27:38,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:27:38" (1/1) ... [2022-11-25 22:27:38,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:27:38,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:27:38,417 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2022-11-25 22:27:38,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@530ba8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:38, skipping insertion in model container [2022-11-25 22:27:38,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:27:38,419 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 22:27:38,421 INFO L158 Benchmark]: Toolchain (without parser) took 345.38ms. Allocated memory is still 77.6MB. Free memory was 54.8MB in the beginning and 43.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 22:27:38,421 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:27:38,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.67ms. Allocated memory is still 77.6MB. Free memory was 54.6MB in the beginning and 43.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 22:27:38,424 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.67ms. Allocated memory is still 77.6MB. Free memory was 54.6MB in the beginning and 43.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN