./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan --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 f951365e4c268c83a3f0b9f1976691c784422012 ........................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan --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 f951365e4c268c83a3f0b9f1976691c784422012 ..................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 17:07:02,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 17:07:02,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 17:07:02,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 17:07:02,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 17:07:02,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 17:07:02,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 17:07:02,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 17:07:02,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 17:07:02,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 17:07:02,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 17:07:02,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 17:07:02,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 17:07:02,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 17:07:02,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 17:07:02,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 17:07:02,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 17:07:02,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 17:07:02,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 17:07:02,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 17:07:02,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 17:07:02,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 17:07:02,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 17:07:02,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 17:07:02,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 17:07:02,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 17:07:02,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 17:07:02,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 17:07:02,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 17:07:02,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 17:07:02,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 17:07:02,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 17:07:02,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 17:07:02,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 17:07:02,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 17:07:02,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 17:07:02,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 17:07:02,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 17:07:02,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 17:07:02,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 17:07:02,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 17:07:02,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2020-12-09 17:07:02,401 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 17:07:02,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 17:07:02,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 17:07:02,402 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 17:07:02,402 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 17:07:02,402 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 17:07:02,402 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 17:07:02,402 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 17:07:02,402 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 17:07:02,402 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 17:07:02,402 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 17:07:02,403 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 17:07:02,403 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 17:07:02,403 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 17:07:02,403 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 17:07:02,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 17:07:02,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 17:07:02,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 17:07:02,404 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 17:07:02,404 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 17:07:02,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 17:07:02,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 17:07:02,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 17:07:02,404 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 17:07:02,404 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 17:07:02,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 17:07:02,405 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 17:07:02,405 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 17:07:02,405 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 17:07:02,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 17:07:02,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 17:07:02,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 17:07:02,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 17:07:02,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 17:07:02,406 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 17:07:02,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 17:07:02,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 17:07:02,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 17:07:02,406 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-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f951365e4c268c83a3f0b9f1976691c784422012 [2020-12-09 17:07:02,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 17:07:02,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 17:07:02,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 17:07:02,613 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 17:07:02,614 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 17:07:02,614 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/../../sv-benchmarks/c/memsafety/global-atexit-3.i [2020-12-09 17:07:02,663 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/data/e115cdfee/c81a1c2d5b98434fad3bb135195bb4b2/FLAG462e4f1be [2020-12-09 17:07:03,042 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 17:07:03,042 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/sv-benchmarks/c/memsafety/global-atexit-3.i [2020-12-09 17:07:03,056 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/data/e115cdfee/c81a1c2d5b98434fad3bb135195bb4b2/FLAG462e4f1be [2020-12-09 17:07:03,067 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/data/e115cdfee/c81a1c2d5b98434fad3bb135195bb4b2 [2020-12-09 17:07:03,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 17:07:03,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 17:07:03,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 17:07:03,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 17:07:03,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 17:07:03,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:07:03" (1/1) ... [2020-12-09 17:07:03,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@363ab4a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:07:03, skipping insertion in model container [2020-12-09 17:07:03,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:07:03" (1/1) ... [2020-12-09 17:07:03,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 17:07:03,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 17:07:03,304 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-12-09 17:07:03,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1cec83e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:07:03, skipping insertion in model container [2020-12-09 17:07:03,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 17:07:03,305 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 17:07:03,307 INFO L168 Benchmark]: Toolchain (without parser) took 235.73 ms. Allocated memory is still 138.4 MB. Free memory was 102.0 MB in the beginning and 113.8 MB in the end (delta: -11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 17:07:03,308 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 138.4 MB. Free memory was 110.3 MB in the beginning and 110.3 MB in the end (delta: 24.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 17:07:03,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.88 ms. Allocated memory is still 138.4 MB. Free memory was 101.8 MB in the beginning and 113.8 MB in the end (delta: -12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 17:07:03,310 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 138.4 MB. Free memory was 110.3 MB in the beginning and 110.3 MB in the end (delta: 24.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 233.88 ms. Allocated memory is still 138.4 MB. Free memory was 101.8 MB in the beginning and 113.8 MB in the end (delta: -12.1 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: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 17:07:04,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 17:07:04,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 17:07:04,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 17:07:04,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 17:07:04,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 17:07:04,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 17:07:04,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 17:07:04,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 17:07:04,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 17:07:04,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 17:07:04,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 17:07:04,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 17:07:04,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 17:07:04,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 17:07:04,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 17:07:04,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 17:07:04,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 17:07:04,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 17:07:04,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 17:07:04,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 17:07:04,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 17:07:04,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 17:07:04,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 17:07:04,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 17:07:04,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 17:07:04,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 17:07:04,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 17:07:04,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 17:07:04,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 17:07:04,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 17:07:04,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 17:07:04,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 17:07:04,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 17:07:04,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 17:07:04,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 17:07:04,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 17:07:04,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 17:07:04,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 17:07:04,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 17:07:04,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 17:07:04,681 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2020-12-09 17:07:04,705 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 17:07:04,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 17:07:04,706 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 17:07:04,706 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 17:07:04,707 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 17:07:04,707 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 17:07:04,707 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 17:07:04,707 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 17:07:04,707 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 17:07:04,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 17:07:04,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 17:07:04,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 17:07:04,708 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 17:07:04,708 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 17:07:04,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 17:07:04,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 17:07:04,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 17:07:04,709 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 17:07:04,709 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 17:07:04,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 17:07:04,709 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 17:07:04,709 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 17:07:04,710 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 17:07:04,710 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 17:07:04,710 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 17:07:04,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 17:07:04,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 17:07:04,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 17:07:04,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 17:07:04,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 17:07:04,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 17:07:04,711 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 17:07:04,711 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 17:07:04,711 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 17:07:04,711 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 17:07:04,711 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-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f951365e4c268c83a3f0b9f1976691c784422012 [2020-12-09 17:07:04,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 17:07:04,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 17:07:04,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 17:07:04,948 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 17:07:04,948 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 17:07:04,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/../../sv-benchmarks/c/memsafety/global-atexit-3.i [2020-12-09 17:07:04,989 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/data/e0d7ed70b/d2692a73a5d843bf8eec3032f8fa4c4b/FLAGb417a199e [2020-12-09 17:07:05,418 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 17:07:05,419 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/sv-benchmarks/c/memsafety/global-atexit-3.i [2020-12-09 17:07:05,432 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/data/e0d7ed70b/d2692a73a5d843bf8eec3032f8fa4c4b/FLAGb417a199e [2020-12-09 17:07:05,444 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6cb85230-48e4-4464-acae-9c450c2451f3/bin/utaipan/data/e0d7ed70b/d2692a73a5d843bf8eec3032f8fa4c4b [2020-12-09 17:07:05,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 17:07:05,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 17:07:05,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 17:07:05,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 17:07:05,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 17:07:05,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:07:05" (1/1) ... [2020-12-09 17:07:05,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33a2e6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:07:05, skipping insertion in model container [2020-12-09 17:07:05,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:07:05" (1/1) ... [2020-12-09 17:07:05,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 17:07:05,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 17:07:05,706 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-12-09 17:07:05,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58800e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:07:05, skipping insertion in model container [2020-12-09 17:07:05,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 17:07:05,707 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 17:07:05,710 INFO L168 Benchmark]: Toolchain (without parser) took 261.97 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 34.8 MB in the beginning and 61.0 MB in the end (delta: -26.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 17:07:05,711 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 39.0 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 17:07:05,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.33 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 34.5 MB in the beginning and 61.0 MB in the end (delta: -26.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 17:07:05,713 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 39.0 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 260.33 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 34.5 MB in the beginning and 61.0 MB in the end (delta: -26.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * 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...