./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh --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-2329fc7 [2022-12-14 12:35:04,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:35:04,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:35:04,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:35:04,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:35:04,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:35:04,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:35:04,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:35:04,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:35:04,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:35:04,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:35:04,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:35:04,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:35:04,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:35:04,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:35:04,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:35:04,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:35:04,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:35:04,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:35:04,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:35:04,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:35:04,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:35:04,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:35:04,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:35:04,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:35:04,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:35:04,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:35:04,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:35:04,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:35:04,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:35:04,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:35:04,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:35:04,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:35:04,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:35:04,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:35:04,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:35:04,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:35:04,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:35:04,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:35:04,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:35:04,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:35:04,387 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-12-14 12:35:04,414 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:35:04,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:35:04,415 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:35:04,415 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:35:04,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:35:04,416 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:35:04,416 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:35:04,416 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:35:04,416 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:35:04,417 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:35:04,417 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:35:04,417 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:35:04,417 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:35:04,417 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:35:04,417 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:35:04,417 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:35:04,418 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:35:04,418 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:35:04,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 12:35:04,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 12:35:04,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:35:04,419 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 12:35:04,419 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:35:04,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:35:04,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 12:35:04,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:35:04,420 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 12:35:04,420 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 12:35:04,420 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 12:35:04,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:35:04,420 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 12:35:04,420 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 12:35:04,420 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:35:04,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:35:04,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:35:04,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:35:04,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:35:04,421 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:35:04,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:35:04,421 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:35:04,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:35:04,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:35:04,422 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_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2022-12-14 12:35:04,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:35:04,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:35:04,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:35:04,614 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:35:04,614 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:35:04,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2022-12-14 12:35:07,263 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:35:07,445 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:35:07,446 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/sv-benchmarks/c/memsafety/global-atexit-2.i [2022-12-14 12:35:07,454 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/data/c242be2f7/1f1e16442ad74ea5b29f68f360212de6/FLAGd4a608d92 [2022-12-14 12:35:07,464 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/data/c242be2f7/1f1e16442ad74ea5b29f68f360212de6 [2022-12-14 12:35:07,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:35:07,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:35:07,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:35:07,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:35:07,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:35:07,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:35:07" (1/1) ... [2022-12-14 12:35:07,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d23c0a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:35:07, skipping insertion in model container [2022-12-14 12:35:07,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:35:07" (1/1) ... [2022-12-14 12:35:07,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:35:07,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:35:07,668 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-12-14 12:35:07,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56f2a052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:35:07, skipping insertion in model container [2022-12-14 12:35:07,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:35:07,668 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 12:35:07,670 INFO L158 Benchmark]: Toolchain (without parser) took 202.61ms. Allocated memory is still 130.0MB. Free memory was 93.7MB in the beginning and 83.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 12:35:07,670 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 130.0MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:35:07,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.09ms. Allocated memory is still 130.0MB. Free memory was 93.7MB in the beginning and 83.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 12:35:07,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 130.0MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.09ms. Allocated memory is still 130.0MB. Free memory was 93.7MB in the beginning and 83.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh --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-2329fc7 [2022-12-14 12:35:09,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:35:09,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:35:09,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:35:09,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:35:09,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:35:09,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:35:09,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:35:09,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:35:09,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:35:09,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:35:09,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:35:09,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:35:09,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:35:09,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:35:09,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:35:09,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:35:09,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:35:09,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:35:09,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:35:09,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:35:09,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:35:09,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:35:09,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:35:09,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:35:09,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:35:09,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:35:09,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:35:09,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:35:09,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:35:09,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:35:09,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:35:09,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:35:09,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:35:09,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:35:09,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:35:09,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:35:09,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:35:09,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:35:09,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:35:09,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:35:09,125 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-12-14 12:35:09,150 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:35:09,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:35:09,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:35:09,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:35:09,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:35:09,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:35:09,152 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:35:09,152 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:35:09,152 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:35:09,152 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:35:09,153 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:35:09,153 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:35:09,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 12:35:09,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 12:35:09,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:35:09,154 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 12:35:09,154 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:35:09,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:35:09,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 12:35:09,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:35:09,155 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 12:35:09,155 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 12:35:09,155 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 12:35:09,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:35:09,155 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 12:35:09,156 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 12:35:09,156 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 12:35:09,156 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 12:35:09,156 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:35:09,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:35:09,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 12:35:09,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:35:09,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:35:09,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:35:09,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:35:09,157 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 12:35:09,157 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 12:35:09,157 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:35:09,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 12:35:09,158 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_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2022-12-14 12:35:09,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:35:09,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:35:09,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:35:09,401 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:35:09,401 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:35:09,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2022-12-14 12:35:12,035 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:35:12,181 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:35:12,181 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/sv-benchmarks/c/memsafety/global-atexit-2.i [2022-12-14 12:35:12,199 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/data/b434f6979/de1d21a84c2a436998653257c7a777f4/FLAGe871992ac [2022-12-14 12:35:12,211 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6690944-f418-4ceb-b6ae-638d895df6b9/bin/utaipan-gh47qXpMRh/data/b434f6979/de1d21a84c2a436998653257c7a777f4 [2022-12-14 12:35:12,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:35:12,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:35:12,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:35:12,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:35:12,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:35:12,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:35:12" (1/1) ... [2022-12-14 12:35:12,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71cdbe9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:35:12, skipping insertion in model container [2022-12-14 12:35:12,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:35:12" (1/1) ... [2022-12-14 12:35:12,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:35:12,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:35:12,423 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-12-14 12:35:12,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e89cd49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:35:12, skipping insertion in model container [2022-12-14 12:35:12,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:35:12,424 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 12:35:12,425 INFO L158 Benchmark]: Toolchain (without parser) took 210.91ms. Allocated memory is still 69.2MB. Free memory was 49.9MB in the beginning and 38.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 12:35:12,425 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 50.3MB. Free memory was 29.0MB in the beginning and 29.0MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:35:12,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.34ms. Allocated memory is still 69.2MB. Free memory was 49.7MB in the beginning and 38.9MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 12:35:12,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 50.3MB. Free memory was 29.0MB in the beginning and 29.0MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 209.34ms. Allocated memory is still 69.2MB. Free memory was 49.7MB in the beginning and 38.9MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 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