./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 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_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl --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 a7e4b13d10edb91f551b46ac7114aaff2ae2d5e1278c432e05cda4c2eb58cb60 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:03:10,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:03:10,137 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-12 02:03:10,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:03:10,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:03:10,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:03:10,188 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:03:10,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:03:10,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:03:10,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:03:10,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:03:10,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:03:10,200 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:03:10,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:03:10,203 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:03:10,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:03:10,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:03:10,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:03:10,205 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 02:03:10,220 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 02:03:10,221 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 02:03:10,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:03:10,222 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:03:10,222 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:03:10,222 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:03:10,223 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:03:10,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:03:10,224 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:03:10,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:03:10,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:10,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:03:10,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:03:10,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:03:10,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:03:10,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:03:10,226 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:03:10,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:03:10,226 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:03:10,226 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_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7e4b13d10edb91f551b46ac7114aaff2ae2d5e1278c432e05cda4c2eb58cb60 [2023-11-12 02:03:10,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:03:10,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:03:10,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:03:10,544 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:03:10,544 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:03:10,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2023-11-12 02:03:13,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:03:14,079 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:03:14,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2023-11-12 02:03:14,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/data/231151670/a749b6ad9bab4b569d09bede820138c3/FLAGe797cf698 [2023-11-12 02:03:14,139 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/data/231151670/a749b6ad9bab4b569d09bede820138c3 [2023-11-12 02:03:14,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:03:14,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:03:14,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:14,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:03:14,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:03:14,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:14" (1/1) ... [2023-11-12 02:03:14,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ccd3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:14, skipping insertion in model container [2023-11-12 02:03:14,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:14" (1/1) ... [2023-11-12 02:03:14,236 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:03:14,439 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:03:15,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:15,227 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) [2023-11-12 02:03:15,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58505345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:15, skipping insertion in model container [2023-11-12 02:03:15,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:15,229 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 02:03:15,231 INFO L158 Benchmark]: Toolchain (without parser) took 1080.91ms. Allocated memory is still 165.7MB. Free memory was 133.1MB in the beginning and 113.9MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:03:15,232 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:03:15,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1077.57ms. Allocated memory is still 165.7MB. Free memory was 132.6MB in the beginning and 114.5MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:03:15,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1077.57ms. Allocated memory is still 165.7MB. Free memory was 132.6MB in the beginning and 114.5MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. 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_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl --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 a7e4b13d10edb91f551b46ac7114aaff2ae2d5e1278c432e05cda4c2eb58cb60 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:03:17,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:03:17,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-12 02:03:17,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:03:17,970 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:03:18,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:03:18,017 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:03:18,018 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:03:18,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:03:18,024 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:03:18,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:03:18,026 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:03:18,026 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:03:18,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:03:18,029 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:03:18,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:03:18,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:03:18,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:03:18,031 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 02:03:18,032 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 02:03:18,033 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 02:03:18,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:03:18,034 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:03:18,034 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:03:18,035 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:03:18,035 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:03:18,036 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:03:18,036 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:03:18,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:03:18,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:03:18,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:03:18,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:18,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:03:18,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:03:18,041 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:03:18,041 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:03:18,041 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:03:18,042 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:03:18,042 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:03:18,043 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:03:18,043 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:03:18,044 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_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7e4b13d10edb91f551b46ac7114aaff2ae2d5e1278c432e05cda4c2eb58cb60 [2023-11-12 02:03:18,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:03:18,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:03:18,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:03:18,504 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:03:18,505 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:03:18,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2023-11-12 02:03:21,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:03:22,172 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:03:22,173 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2023-11-12 02:03:22,210 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/data/b8b508820/23130ff5633e46adb8fab49b0bacaead/FLAGe1bd2ff25 [2023-11-12 02:03:22,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/data/b8b508820/23130ff5633e46adb8fab49b0bacaead [2023-11-12 02:03:22,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:03:22,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:03:22,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:22,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:03:22,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:03:22,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:22" (1/1) ... [2023-11-12 02:03:22,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bfe9d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:22, skipping insertion in model container [2023-11-12 02:03:22,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:22" (1/1) ... [2023-11-12 02:03:22,346 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:03:22,575 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:03:23,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:23,666 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 02:03:23,685 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:03:23,690 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:03:23,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:23,769 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:03:23,781 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:03:23,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:23,991 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:03:23,991 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:03:23,991 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:03:24,001 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:03:24,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:24 WrapperNode [2023-11-12 02:03:24,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:24,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:03:24,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:03:24,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:03:24,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:24" (1/1) ... [2023-11-12 02:03:24,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:24" (1/1) ... [2023-11-12 02:03:24,087 INFO L138 Inliner]: procedures = 473, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 160 [2023-11-12 02:03:24,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:03:24,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:03:24,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:03:24,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:03:24,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:24" (1/1) ... [2023-11-12 02:03:24,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:24" (1/1) ... [2023-11-12 02:03:24,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:24" (1/1) ... [2023-11-12 02:03:24,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:24" (1/1) ... [2023-11-12 02:03:24,145 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:24" (1/1) ... [2023-11-12 02:03:24,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:24" (1/1) ... [2023-11-12 02:03:24,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:24" (1/1) ... [2023-11-12 02:03:24,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:24" (1/1) ... [2023-11-12 02:03:24,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:03:24,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:03:24,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:03:24,184 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:03:24,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:24" (1/1) ... [2023-11-12 02:03:24,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:24,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:24,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:24,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81fce4-3fb6-4d55-9ddc-b51b584bf2d4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:03:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:03:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:03:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:03:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-12 02:03:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:03:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 02:03:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:03:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:03:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:03:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:03:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 02:03:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-12 02:03:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-12 02:03:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:03:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 02:03:24,266 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:03:24,637 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:03:24,639 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:03:25,408 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:03:25,519 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:03:25,519 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:03:25,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:25 BoogieIcfgContainer [2023-11-12 02:03:25,524 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:03:25,527 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:03:25,527 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:03:25,532 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:03:25,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:03:22" (1/3) ... [2023-11-12 02:03:25,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6608419e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:03:25, skipping insertion in model container [2023-11-12 02:03:25,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:24" (2/3) ... [2023-11-12 02:03:25,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6608419e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:03:25, skipping insertion in model container [2023-11-12 02:03:25,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:25" (3/3) ... [2023-11-12 02:03:25,536 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2023-11-12 02:03:25,557 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:03:25,558 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 49 error locations. [2023-11-12 02:03:25,558 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:03:25,705 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-12 02:03:25,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 243 places, 247 transitions, 508 flow [2023-11-12 02:03:25,957 INFO L124 PetriNetUnfolderBase]: 14/315 cut-off events. [2023-11-12 02:03:25,957 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 02:03:25,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 315 events. 14/315 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 877 event pairs, 0 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 150. Up to 4 conditions per place. [2023-11-12 02:03:25,965 INFO L82 GeneralOperation]: Start removeDead. Operand has 243 places, 247 transitions, 508 flow [2023-11-12 02:03:25,981 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 241 places, 245 transitions, 502 flow [2023-11-12 02:03:25,986 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:03:26,003 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 241 places, 245 transitions, 502 flow [2023-11-12 02:03:26,007 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 241 places, 245 transitions, 502 flow [2023-11-12 02:03:26,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 241 places, 245 transitions, 502 flow [2023-11-12 02:03:26,094 INFO L124 PetriNetUnfolderBase]: 14/315 cut-off events. [2023-11-12 02:03:26,094 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 02:03:26,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 315 events. 14/315 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 878 event pairs, 0 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 150. Up to 4 conditions per place. [2023-11-12 02:03:26,107 INFO L119 LiptonReduction]: Number of co-enabled transitions 9372 [2023-11-12 02:03:54,119 WARN L293 SmtUtils]: Spent 5.33s 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) [2023-11-12 02:04:01,450 WARN L293 SmtUtils]: Spent 5.60s 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)