./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_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE --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 ......................................................................................................................................... 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_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE --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 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:08:35,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:08:35,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:08:35,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:08:35,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:08:35,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:08:35,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:08:35,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:08:35,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:08:35,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:08:35,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:08:35,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:08:35,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:08:35,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:08:35,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:08:35,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:08:35,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:08:35,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:08:35,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:08:35,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:08:35,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:08:35,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:08:35,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:08:35,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:08:35,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:08:35,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:08:35,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:08:35,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:08:35,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:08:35,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:08:35,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:08:35,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:08:35,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:08:35,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:08:35,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:08:35,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:08:35,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:08:35,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:08:35,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:08:35,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:08:35,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:08:35,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2021-10-24 11:08:35,230 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:08:35,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:08:35,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:08:35,232 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:08:35,232 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:08:35,232 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:08:35,233 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:08:35,233 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:08:35,233 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:08:35,234 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:08:35,234 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:08:35,234 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:08:35,235 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:08:35,235 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:08:35,235 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:08:35,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 11:08:35,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 11:08:35,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:08:35,237 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:08:35,237 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 11:08:35,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:08:35,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:08:35,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:08:35,239 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-24 11:08:35,239 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-24 11:08:35,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:08:35,239 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:08:35,240 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:08:35,240 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:08:35,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:08:35,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:08:35,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:08:35,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:08:35,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:08:35,242 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:08:35,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:08:35,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:08:35,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:08:35,243 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_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2021-10-24 11:08:35,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:08:35,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:08:35,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:08:35,612 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:08:35,613 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:08:35,614 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-24 11:08:35,694 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/data/e53c1d16b/ec107b087f15483bacd7947209d98463/FLAG880f42884 [2021-10-24 11:08:36,352 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:08:36,353 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-24 11:08:36,375 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/data/e53c1d16b/ec107b087f15483bacd7947209d98463/FLAG880f42884 [2021-10-24 11:08:36,601 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/data/e53c1d16b/ec107b087f15483bacd7947209d98463 [2021-10-24 11:08:36,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:08:36,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:08:36,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:08:36,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:08:36,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:08:36,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:36" (1/1) ... [2021-10-24 11:08:36,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708b42c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:36, skipping insertion in model container [2021-10-24 11:08:36,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:36" (1/1) ... [2021-10-24 11:08:36,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:08:36,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:08:37,061 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-10-24 11:08:37,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@855d89b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:37, skipping insertion in model container [2021-10-24 11:08:37,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:08:37,063 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:08:37,066 INFO L168 Benchmark]: Toolchain (without parser) took 458.18 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 50.3 MB in the beginning and 99.4 MB in the end (delta: -49.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:37,067 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory is still 67.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:08:37,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.91 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 50.1 MB in the beginning and 100.1 MB in the end (delta: -49.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:37,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory is still 67.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 454.91 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 50.1 MB in the beginning and 100.1 MB in the end (delta: -49.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 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 [2021-10-24 11:08:39,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:08:39,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:08:39,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:08:39,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:08:39,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:08:39,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:08:39,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:08:39,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:08:39,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:08:39,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:08:39,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:08:39,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:08:39,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:08:39,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:08:39,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:08:39,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:08:39,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:08:39,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:08:39,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:08:39,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:08:39,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:08:39,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:08:39,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:08:39,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:08:39,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:08:39,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:08:39,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:08:39,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:08:39,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:08:39,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:08:39,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:08:39,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:08:39,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:08:39,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:08:39,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:08:39,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:08:39,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:08:39,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:08:39,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:08:39,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:08:39,888 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2021-10-24 11:08:39,920 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:08:39,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:08:39,922 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:08:39,922 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:08:39,923 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:08:39,923 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:08:39,924 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:08:39,924 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:08:39,925 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:08:39,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 11:08:39,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 11:08:39,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:08:39,927 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:08:39,928 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 11:08:39,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:08:39,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:08:39,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:08:39,929 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-24 11:08:39,930 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-24 11:08:39,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:08:39,930 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:08:39,930 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:08:39,931 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:08:39,931 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:08:39,931 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:08:39,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:08:39,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:08:39,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:08:39,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:08:39,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:08:39,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:08:39,934 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:08:39,935 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:08:39,935 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:08:39,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:08:39,936 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_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2021-10-24 11:08:40,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:08:40,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:08:40,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:08:40,478 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:08:40,480 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:08:40,481 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-24 11:08:40,571 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/data/c67ca6c74/ddf0626355c346608e5e423b2dcb9473/FLAG95f660bd1 [2021-10-24 11:08:41,342 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:08:41,343 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-24 11:08:41,362 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/data/c67ca6c74/ddf0626355c346608e5e423b2dcb9473/FLAG95f660bd1 [2021-10-24 11:08:41,572 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19681e2a-3733-49d2-a645-f06e1795e650/bin/utaipan-9zjyvhn0QE/data/c67ca6c74/ddf0626355c346608e5e423b2dcb9473 [2021-10-24 11:08:41,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:08:41,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:08:41,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:08:41,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:08:41,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:08:41,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:41" (1/1) ... [2021-10-24 11:08:41,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d4fac9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:41, skipping insertion in model container [2021-10-24 11:08:41,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:41" (1/1) ... [2021-10-24 11:08:41,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:08:41,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:08:42,173 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-10-24 11:08:42,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28db3d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:42, skipping insertion in model container [2021-10-24 11:08:42,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:08:42,177 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:08:42,180 INFO L168 Benchmark]: Toolchain (without parser) took 596.68 ms. Allocated memory is still 88.1 MB. Free memory was 67.4 MB in the beginning and 71.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:42,183 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 52.4 MB. Free memory is still 33.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:08:42,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.64 ms. Allocated memory is still 88.1 MB. Free memory was 67.2 MB in the beginning and 71.3 MB in the end (delta: -4.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:42,189 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 52.4 MB. Free memory is still 33.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 593.64 ms. Allocated memory is still 88.1 MB. Free memory was 67.2 MB in the beginning and 71.3 MB in the end (delta: -4.2 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...