./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version a0165632 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_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:05:40,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:05:40,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2024-11-09 05:05:40,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:05:40,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:05:40,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:05:40,655 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:05:40,656 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:05:40,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:05:40,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:05:40,659 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:05:40,659 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:05:40,660 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:05:40,660 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:05:40,662 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:05:40,663 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:05:40,663 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:05:40,664 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:05:40,664 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:05:40,664 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:05:40,665 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:05:40,669 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:05:40,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 05:05:40,670 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 05:05:40,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:05:40,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:05:40,671 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:05:40,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:05:40,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:05:40,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:05:40,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:05:40,672 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 05:05:40,672 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 05:05:40,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:05:40,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:05:40,675 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:05:40,676 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:05:40,676 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:05:40,676 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:05:40,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:05:40,677 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:05:40,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:05:40,678 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:05:40,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:05:40,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:05:40,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:05:40,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:05:40,679 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:05:40,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:05:40,680 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:05:40,680 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:05:40,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:05:40,680 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2024-11-09 05:05:40,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:05:41,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:05:41,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:05:41,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:05:41,019 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:05:41,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/memsafety/global-atexit-1.i Unable to find full path for "g++" [2024-11-09 05:05:43,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:05:43,407 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:05:43,408 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/sv-benchmarks/c/memsafety/global-atexit-1.i [2024-11-09 05:05:43,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/data/37686cc74/3aeb1319201a4c92bc9022d4bc6fc9cd/FLAGbbc886b4a [2024-11-09 05:05:43,440 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/data/37686cc74/3aeb1319201a4c92bc9022d4bc6fc9cd [2024-11-09 05:05:43,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:05:43,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:05:43,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:05:43,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:05:43,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:05:43,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:05:43" (1/1) ... [2024-11-09 05:05:43,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e17c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:43, skipping insertion in model container [2024-11-09 05:05:43,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:05:43" (1/1) ... [2024-11-09 05:05:43,514 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:05:43,844 ERROR L321 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2024-11-09 05:05:43,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ff7d6c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:43, skipping insertion in model container [2024-11-09 05:05:43,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:05:43,846 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-09 05:05:43,847 INFO L158 Benchmark]: Toolchain (without parser) took 402.28ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 71.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 05:05:43,848 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:05:43,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.84ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 71.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 05:05:43,850 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.84ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 71.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:05:46,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:05:46,243 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2024-11-09 05:05:46,251 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:05:46,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:05:46,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:05:46,285 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:05:46,285 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:05:46,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:05:46,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:05:46,287 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:05:46,288 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:05:46,288 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:05:46,290 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:05:46,291 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:05:46,291 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:05:46,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 05:05:46,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 05:05:46,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:05:46,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:05:46,293 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:05:46,298 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:05:46,298 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:05:46,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:05:46,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:05:46,299 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 05:05:46,299 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 05:05:46,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:05:46,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:05:46,300 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:05:46,301 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:05:46,301 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:05:46,301 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:05:46,301 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:05:46,302 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:05:46,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:05:46,302 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:05:46,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:05:46,304 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:05:46,304 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:05:46,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:05:46,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:05:46,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:05:46,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:05:46,306 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:05:46,306 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:05:46,307 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:05:46,307 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:05:46,307 INFO L153 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_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2024-11-09 05:05:46,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:05:46,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:05:46,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:05:46,768 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:05:46,769 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:05:46,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/memsafety/global-atexit-1.i Unable to find full path for "g++" [2024-11-09 05:05:48,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:05:49,096 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:05:49,101 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/sv-benchmarks/c/memsafety/global-atexit-1.i [2024-11-09 05:05:49,124 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/data/2d135e171/df6e9ef1efc941d1995c01eb6002b2f5/FLAG43027e189 [2024-11-09 05:05:49,342 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9f8782-6644-4440-90c8-432cc6a33a84/bin/utaipan-verify-YMUCfTKeje/data/2d135e171/df6e9ef1efc941d1995c01eb6002b2f5 [2024-11-09 05:05:49,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:05:49,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:05:49,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:05:49,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:05:49,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:05:49,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:05:49" (1/1) ... [2024-11-09 05:05:49,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d706344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:49, skipping insertion in model container [2024-11-09 05:05:49,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:05:49" (1/1) ... [2024-11-09 05:05:49,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:05:49,789 ERROR L321 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2024-11-09 05:05:49,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@12021540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:49, skipping insertion in model container [2024-11-09 05:05:49,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:05:49,791 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-09 05:05:49,793 INFO L158 Benchmark]: Toolchain (without parser) took 445.05ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 45.4MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:05:49,793 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 59.0MB in the beginning and 58.9MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:05:49,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.64ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 45.4MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 05:05:49,796 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 59.0MB in the beginning and 58.9MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.64ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 45.4MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN