./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- 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-5e519f3 [2022-11-03 04:10:27,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:10:27,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:10:27,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:10:27,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:10:27,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:10:27,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:10:27,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:10:27,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:10:27,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:10:27,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:10:27,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:10:27,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:10:27,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:10:27,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:10:27,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:10:27,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:10:27,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:10:27,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:10:27,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:10:27,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:10:27,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:10:27,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:10:27,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:10:27,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:10:27,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:10:27,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:10:27,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:10:27,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:10:27,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:10:27,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:10:27,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:10:27,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:10:27,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:10:27,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:10:27,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:10:27,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:10:27,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:10:27,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:10:27,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:10:27,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:10:27,306 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-03 04:10:27,351 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:10:27,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:10:27,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:10:27,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:10:27,354 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:10:27,355 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:10:27,355 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:10:27,355 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:10:27,356 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:10:27,356 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:10:27,357 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:10:27,358 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:10:27,358 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:10:27,358 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:10:27,358 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:10:27,359 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:10:27,359 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:10:27,359 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:10:27,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-03 04:10:27,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-03 04:10:27,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:10:27,361 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 04:10:27,361 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 04:10:27,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:10:27,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 04:10:27,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:10:27,362 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-03 04:10:27,363 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-03 04:10:27,363 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-03 04:10:27,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:10:27,364 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 04:10:27,364 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 04:10:27,364 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:10:27,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:10:27,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:10:27,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:10:27,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:10:27,368 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:10:27,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:10:27,368 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:10:27,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:10:27,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:10:27,369 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_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2022-11-03 04:10:27,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:10:27,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:10:27,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:10:27,771 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:10:27,773 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:10:27,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2022-11-03 04:10:27,879 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/data/7d67249c7/e3737275eb4640acac9c4c90961f518e/FLAGb909bc2c5 [2022-11-03 04:10:28,579 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:10:28,580 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/sv-benchmarks/c/memsafety/global-atexit-2.i [2022-11-03 04:10:28,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/data/7d67249c7/e3737275eb4640acac9c4c90961f518e/FLAGb909bc2c5 [2022-11-03 04:10:28,860 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/data/7d67249c7/e3737275eb4640acac9c4c90961f518e [2022-11-03 04:10:28,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:10:28,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:10:28,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:10:28,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:10:28,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:10:28,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:10:28" (1/1) ... [2022-11-03 04:10:28,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f39a20a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:28, skipping insertion in model container [2022-11-03 04:10:28,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:10:28" (1/1) ... [2022-11-03 04:10:28,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:10:28,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:10:29,396 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-11-03 04:10:29,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7fc2f70f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:29, skipping insertion in model container [2022-11-03 04:10:29,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:10:29,398 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 04:10:29,401 INFO L158 Benchmark]: Toolchain (without parser) took 535.08ms. Allocated memory is still 130.0MB. Free memory was 95.0MB in the beginning and 105.6MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 04:10:29,403 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 62.7MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 04:10:29,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.78ms. Allocated memory is still 130.0MB. Free memory was 94.7MB in the beginning and 105.6MB in the end (delta: -10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 04:10:29,408 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 62.7MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.78ms. Allocated memory is still 130.0MB. Free memory was 94.7MB in the beginning and 105.6MB in the end (delta: -10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- 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-5e519f3 [2022-11-03 04:10:32,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:10:32,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:10:32,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:10:32,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:10:32,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:10:32,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:10:32,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:10:32,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:10:32,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:10:32,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:10:32,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:10:32,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:10:32,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:10:32,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:10:32,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:10:32,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:10:32,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:10:32,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:10:32,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:10:32,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:10:32,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:10:32,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:10:32,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:10:32,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:10:32,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:10:32,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:10:32,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:10:32,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:10:32,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:10:32,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:10:32,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:10:32,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:10:32,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:10:32,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:10:32,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:10:32,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:10:32,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:10:32,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:10:32,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:10:32,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:10:32,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-03 04:10:32,234 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:10:32,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:10:32,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:10:32,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:10:32,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:10:32,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:10:32,237 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:10:32,237 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:10:32,237 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:10:32,238 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:10:32,238 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:10:32,239 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:10:32,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-03 04:10:32,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-03 04:10:32,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:10:32,241 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 04:10:32,241 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 04:10:32,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:10:32,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 04:10:32,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:10:32,242 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-03 04:10:32,243 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-03 04:10:32,243 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-03 04:10:32,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:10:32,244 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 04:10:32,244 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 04:10:32,245 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 04:10:32,245 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 04:10:32,245 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:10:32,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:10:32,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 04:10:32,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:10:32,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:10:32,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:10:32,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:10:32,248 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 04:10:32,248 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 04:10:32,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:10:32,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 04:10:32,250 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_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2022-11-03 04:10:32,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:10:32,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:10:32,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:10:32,758 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:10:32,759 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:10:32,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2022-11-03 04:10:32,845 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/data/7002c11a2/d14a7dfe253c48939c94e7eb9bd74590/FLAG6c2a55722 [2022-11-03 04:10:33,615 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:10:33,616 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/sv-benchmarks/c/memsafety/global-atexit-2.i [2022-11-03 04:10:33,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/data/7002c11a2/d14a7dfe253c48939c94e7eb9bd74590/FLAG6c2a55722 [2022-11-03 04:10:33,645 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03224b66-2aa3-4a65-9296-2e7689f1e28b/bin/utaipan-7li7fVZpFI/data/7002c11a2/d14a7dfe253c48939c94e7eb9bd74590 [2022-11-03 04:10:33,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:10:33,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:10:33,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:10:33,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:10:33,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:10:33,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:10:33" (1/1) ... [2022-11-03 04:10:33,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55671975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:33, skipping insertion in model container [2022-11-03 04:10:33,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:10:33" (1/1) ... [2022-11-03 04:10:33,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:10:33,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:10:34,170 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-11-03 04:10:34,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c61a9a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:34, skipping insertion in model container [2022-11-03 04:10:34,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:10:34,172 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 04:10:34,175 INFO L158 Benchmark]: Toolchain (without parser) took 523.52ms. Allocated memory is still 56.6MB. Free memory was 32.4MB in the beginning and 38.2MB in the end (delta: -5.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 04:10:34,177 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 56.6MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 04:10:34,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.27ms. Allocated memory is still 56.6MB. Free memory was 32.2MB in the beginning and 38.2MB in the end (delta: -6.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 04:10:34,186 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 56.6MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.27ms. Allocated memory is still 56.6MB. Free memory was 32.2MB in the beginning and 38.2MB in the end (delta: -6.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN