./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e7bb482b 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_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:45:43,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:45:43,190 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-06 22:45:43,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:45:43,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:45:43,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:45:43,249 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:45:43,250 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:45:43,251 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:45:43,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:45:43,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:45:43,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:45:43,261 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:45:43,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:45:43,264 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:45:43,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:45:43,265 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:45:43,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:45:43,266 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 22:45:43,266 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 22:45:43,267 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 22:45:43,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:45:43,268 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:45:43,269 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:45:43,269 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:45:43,270 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:45:43,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:45:43,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:45:43,272 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:45:43,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:45:43,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:45:43,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:45:43,274 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:45:43,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:45:43,275 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:45:43,275 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:45:43,276 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:45:43,276 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:45:43,276 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_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2023-11-06 22:45:43,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:45:43,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:45:43,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:45:43,625 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:45:43,626 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:45:43,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-complex/bounded_buffer.i [2023-11-06 22:45:46,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:45:47,322 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:45:47,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2023-11-06 22:45:47,351 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/data/f20f611fb/1b1dc4472c4b412abbb257b5ce076561/FLAG75e07a746 [2023-11-06 22:45:47,372 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/data/f20f611fb/1b1dc4472c4b412abbb257b5ce076561 [2023-11-06 22:45:47,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:45:47,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:45:47,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:45:47,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:45:47,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:45:47,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:45:47" (1/1) ... [2023-11-06 22:45:47,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177929b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:47, skipping insertion in model container [2023-11-06 22:45:47,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:45:47" (1/1) ... [2023-11-06 22:45:47,479 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:45:48,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:45:48,614 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) [2023-11-06 22:45:48,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1317e4b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:48, skipping insertion in model container [2023-11-06 22:45:48,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:45:48,615 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 22:45:48,617 INFO L158 Benchmark]: Toolchain (without parser) took 1239.64ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 89.1MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:45:48,618 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 103.6MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:45:48,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1236.75ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 89.1MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:45:48,620 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 103.6MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1236.75ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 89.1MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1514]: 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_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:45:51,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:45:51,433 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-06 22:45:51,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:45:51,444 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:45:51,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:45:51,494 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:45:51,495 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:45:51,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:45:51,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:45:51,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:45:51,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:45:51,503 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:45:51,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:45:51,506 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:45:51,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:45:51,507 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:45:51,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:45:51,508 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 22:45:51,508 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 22:45:51,508 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 22:45:51,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:45:51,509 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:45:51,510 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:45:51,510 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:45:51,511 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:45:51,511 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:45:51,512 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:45:51,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:45:51,513 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:45:51,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:45:51,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:45:51,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:45:51,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:45:51,516 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:45:51,516 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:45:51,516 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:45:51,517 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:45:51,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:45:51,518 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:45:51,518 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:45:51,519 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_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2023-11-06 22:45:51,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:45:52,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:45:52,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:45:52,009 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:45:52,009 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:45:52,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-complex/bounded_buffer.i [2023-11-06 22:45:55,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:45:55,576 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:45:55,577 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2023-11-06 22:45:55,607 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/data/33d1cf2ad/1d4dc82d9ca04d7db353a9786aa660a0/FLAGf5e712c0f [2023-11-06 22:45:55,627 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/data/33d1cf2ad/1d4dc82d9ca04d7db353a9786aa660a0 [2023-11-06 22:45:55,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:45:55,635 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:45:55,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:45:55,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:45:55,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:45:55,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:45:55" (1/1) ... [2023-11-06 22:45:55,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44139edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:55, skipping insertion in model container [2023-11-06 22:45:55,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:45:55" (1/1) ... [2023-11-06 22:45:55,745 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:45:57,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:45:57,053 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 22:45:57,077 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:45:57,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:45:57,190 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:45:57,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:45:57,462 WARN L672 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:45:57,471 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:45:57,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:57 WrapperNode [2023-11-06 22:45:57,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:45:57,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:45:57,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:45:57,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:45:57,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:57" (1/1) ... [2023-11-06 22:45:57,541 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:57" (1/1) ... [2023-11-06 22:45:57,590 INFO L138 Inliner]: procedures = 431, calls = 127, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 467 [2023-11-06 22:45:57,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:45:57,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:45:57,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:45:57,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:45:57,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:57" (1/1) ... [2023-11-06 22:45:57,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:57" (1/1) ... [2023-11-06 22:45:57,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:57" (1/1) ... [2023-11-06 22:45:57,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:57" (1/1) ... [2023-11-06 22:45:57,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:57" (1/1) ... [2023-11-06 22:45:57,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:57" (1/1) ... [2023-11-06 22:45:57,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:57" (1/1) ... [2023-11-06 22:45:57,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:57" (1/1) ... [2023-11-06 22:45:57,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:45:57,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:45:57,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:45:57,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:45:57,698 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:57" (1/1) ... [2023-11-06 22:45:57,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:45:57,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:45:57,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:45:57,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cd17c-b9c7-4738-bc02-88b45548aa9f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:45:57,779 INFO L130 BoogieDeclarations]: Found specification of procedure producer_routine [2023-11-06 22:45:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure producer_routine [2023-11-06 22:45:57,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:45:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:45:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:45:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:45:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-06 22:45:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:45:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:45:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:45:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:45:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 22:45:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:45:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:45:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure consumer_routine [2023-11-06 22:45:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer_routine [2023-11-06 22:45:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 22:45:57,784 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:45:58,029 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:45:58,034 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:46:00,208 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:46:00,226 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:46:00,226 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-06 22:46:00,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:00 BoogieIcfgContainer [2023-11-06 22:46:00,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:46:00,238 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:46:00,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:46:00,241 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:46:00,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:45:55" (1/3) ... [2023-11-06 22:46:00,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b579f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:46:00, skipping insertion in model container [2023-11-06 22:46:00,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:57" (2/3) ... [2023-11-06 22:46:00,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b579f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:46:00, skipping insertion in model container [2023-11-06 22:46:00,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:00" (3/3) ... [2023-11-06 22:46:00,246 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_buffer.i [2023-11-06 22:46:00,269 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:46:00,270 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 164 error locations. [2023-11-06 22:46:00,270 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:46:00,613 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-06 22:46:00,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 607 places, 652 transitions, 1324 flow [2023-11-06 22:46:01,506 INFO L124 PetriNetUnfolderBase]: 111/1461 cut-off events. [2023-11-06 22:46:01,507 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-06 22:46:01,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1478 conditions, 1461 events. 111/1461 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 10443 event pairs, 0 based on Foata normal form. 0/966 useless extension candidates. Maximal degree in co-relation 765. Up to 16 conditions per place. [2023-11-06 22:46:01,560 INFO L82 GeneralOperation]: Start removeDead. Operand has 607 places, 652 transitions, 1324 flow [2023-11-06 22:46:01,618 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 607 places, 652 transitions, 1324 flow [2023-11-06 22:46:01,626 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:46:01,643 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 607 places, 652 transitions, 1324 flow [2023-11-06 22:46:01,648 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 607 places, 652 transitions, 1324 flow [2023-11-06 22:46:01,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 607 places, 652 transitions, 1324 flow [2023-11-06 22:46:02,284 INFO L124 PetriNetUnfolderBase]: 111/1461 cut-off events. [2023-11-06 22:46:02,284 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-06 22:46:02,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1478 conditions, 1461 events. 111/1461 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 10443 event pairs, 0 based on Foata normal form. 0/966 useless extension candidates. Maximal degree in co-relation 765. Up to 16 conditions per place. [2023-11-06 22:46:02,521 INFO L119 LiptonReduction]: Number of co-enabled transitions 201564 [2023-11-06 22:47:55,601 WARN L293 SmtUtils]: Spent 41.44s on a formula simplification. DAG size of input: 151 DAG size of output: 144 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:48:13,007 WARN L293 SmtUtils]: Spent 17.40s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:48:52,768 WARN L293 SmtUtils]: Spent 39.76s on a formula simplification. DAG size of input: 151 DAG size of output: 144 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:49:10,053 WARN L293 SmtUtils]: Spent 17.28s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:49:15,801 WARN L293 SmtUtils]: Spent 5.75s on a formula simplification. DAG size of input: 120 DAG size of output: 114 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:49:25,875 WARN L293 SmtUtils]: Spent 7.60s on a formula simplification. DAG size of input: 120 DAG size of output: 114 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)