./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:53:47,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:53:47,294 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-19 07:53:47,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:53:47,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:53:47,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:53:47,347 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:53:47,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:53:47,349 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:53:47,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:53:47,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:53:47,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:53:47,356 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:53:47,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:53:47,358 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:53:47,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:53:47,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:53:47,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:53:47,360 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:53:47,361 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:53:47,361 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:53:47,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:53:47,362 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:53:47,363 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:53:47,363 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:53:47,364 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:53:47,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:53:47,365 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:53:47,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:53:47,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:53:47,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:53:47,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:53:47,368 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:53:47,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:53:47,369 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:53:47,369 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:53:47,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:53:47,369 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:53:47,370 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da [2023-11-19 07:53:47,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:53:47,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:53:47,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:53:47,696 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:53:47,697 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:53:47,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2023-11-19 07:53:50,834 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:53:51,241 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:53:51,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2023-11-19 07:53:51,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/data/03f56425e/5e4de14e8aca436c8cc22b8b7b59abf0/FLAGa3e19dc38 [2023-11-19 07:53:51,291 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/data/03f56425e/5e4de14e8aca436c8cc22b8b7b59abf0 [2023-11-19 07:53:51,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:53:51,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:53:51,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:53:51,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:53:51,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:53:51,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:53:51" (1/1) ... [2023-11-19 07:53:51,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db96c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:51, skipping insertion in model container [2023-11-19 07:53:51,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:53:51" (1/1) ... [2023-11-19 07:53:51,374 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:53:51,658 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:53:52,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:53:52,357 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-19 07:53:52,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@777b78b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:52, skipping insertion in model container [2023-11-19 07:53:52,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:53:52,359 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 07:53:52,361 INFO L158 Benchmark]: Toolchain (without parser) took 1064.67ms. Allocated memory is still 151.0MB. Free memory was 104.0MB in the beginning and 111.7MB in the end (delta: -7.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:53:52,361 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:53:52,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1061.08ms. Allocated memory is still 151.0MB. Free memory was 104.0MB in the beginning and 111.7MB in the end (delta: -7.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:53:52,364 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1061.08ms. Allocated memory is still 151.0MB. Free memory was 104.0MB in the beginning and 111.7MB in the end (delta: -7.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1691]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) 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_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:53:54,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:53:55,070 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-19 07:53:55,080 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:53:55,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:53:55,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:53:55,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:53:55,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:53:55,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:53:55,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:53:55,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:53:55,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:53:55,139 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:53:55,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:53:55,141 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:53:55,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:53:55,142 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:53:55,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:53:55,143 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:53:55,144 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:53:55,144 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:53:55,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:53:55,146 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:53:55,146 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:53:55,146 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:53:55,147 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:53:55,147 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:53:55,148 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:53:55,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:53:55,149 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:53:55,151 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:53:55,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:53:55,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:53:55,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:53:55,152 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:53:55,152 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:53:55,153 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:53:55,153 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:53:55,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:53:55,154 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:53:55,155 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:53:55,155 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da [2023-11-19 07:53:55,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:53:55,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:53:55,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:53:55,614 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:53:55,615 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:53:55,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2023-11-19 07:53:58,947 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:53:59,423 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:53:59,423 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2023-11-19 07:53:59,455 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/data/8803e96c9/42433d8be44d474d858365dc0f3cf9e2/FLAG05d28cd35 [2023-11-19 07:53:59,474 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/data/8803e96c9/42433d8be44d474d858365dc0f3cf9e2 [2023-11-19 07:53:59,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:53:59,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:53:59,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:53:59,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:53:59,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:53:59,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:53:59" (1/1) ... [2023-11-19 07:53:59,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a1935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:59, skipping insertion in model container [2023-11-19 07:53:59,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:53:59" (1/1) ... [2023-11-19 07:53:59,581 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:53:59,773 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:54:00,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:00,805 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 07:54:00,821 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:54:00,825 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:54:00,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:00,902 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:54:00,914 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:54:00,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:01,114 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:54:01,115 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:54:01,115 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:54:01,121 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:54:01,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01 WrapperNode [2023-11-19 07:54:01,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:01,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:01,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:54:01,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:54:01,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ... [2023-11-19 07:54:01,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ... [2023-11-19 07:54:01,213 INFO L138 Inliner]: procedures = 473, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 160 [2023-11-19 07:54:01,214 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:01,215 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:54:01,215 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:54:01,215 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:54:01,225 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ... [2023-11-19 07:54:01,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ... [2023-11-19 07:54:01,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ... [2023-11-19 07:54:01,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ... [2023-11-19 07:54:01,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ... [2023-11-19 07:54:01,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ... [2023-11-19 07:54:01,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ... [2023-11-19 07:54:01,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ... [2023-11-19 07:54:01,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:54:01,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:54:01,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:54:01,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:54:01,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (1/1) ... [2023-11-19 07:54:01,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:01,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:01,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:54:01,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a52d4c3-3fb8-4ae7-9a1f-c390e58cef7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:54:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:54:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:54:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:54:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 07:54:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:54:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 07:54:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:54:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:54:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:54:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:54:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:54:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-19 07:54:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-19 07:54:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:54:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:54:01,419 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:54:01,807 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:54:01,810 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:54:02,612 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:54:02,803 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:54:02,803 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:54:02,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:02 BoogieIcfgContainer [2023-11-19 07:54:02,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:54:02,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:54:02,819 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:54:02,824 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:54:02,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:53:59" (1/3) ... [2023-11-19 07:54:02,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8bb704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:02, skipping insertion in model container [2023-11-19 07:54:02,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01" (2/3) ... [2023-11-19 07:54:02,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8bb704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:02, skipping insertion in model container [2023-11-19 07:54:02,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:02" (3/3) ... [2023-11-19 07:54:02,829 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2023-11-19 07:54:02,854 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:54:02,854 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 49 error locations. [2023-11-19 07:54:02,855 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:54:02,989 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 07:54:03,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 243 places, 251 transitions, 516 flow [2023-11-19 07:54:03,251 INFO L124 PetriNetUnfolderBase]: 22/337 cut-off events. [2023-11-19 07:54:03,251 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:54:03,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 346 conditions, 337 events. 22/337 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1020 event pairs, 0 based on Foata normal form. 0/235 useless extension candidates. Maximal degree in co-relation 168. Up to 6 conditions per place. [2023-11-19 07:54:03,259 INFO L82 GeneralOperation]: Start removeDead. Operand has 243 places, 251 transitions, 516 flow [2023-11-19 07:54:03,275 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 241 places, 249 transitions, 510 flow [2023-11-19 07:54:03,279 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:54:03,294 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 241 places, 249 transitions, 510 flow [2023-11-19 07:54:03,297 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 241 places, 249 transitions, 510 flow [2023-11-19 07:54:03,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 241 places, 249 transitions, 510 flow [2023-11-19 07:54:03,386 INFO L124 PetriNetUnfolderBase]: 22/337 cut-off events. [2023-11-19 07:54:03,386 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:54:03,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 346 conditions, 337 events. 22/337 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1018 event pairs, 0 based on Foata normal form. 0/235 useless extension candidates. Maximal degree in co-relation 168. Up to 6 conditions per place. [2023-11-19 07:54:03,398 INFO L119 LiptonReduction]: Number of co-enabled transitions 9724 [2023-11-19 07:54:27,737 WARN L293 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 109 DAG size of output: 108 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-19 07:54:35,875 WARN L293 SmtUtils]: Spent 6.10s on a formula simplification. DAG size of input: 109 DAG size of output: 108 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)