./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/twostage_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/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_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/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_9bf80760-44dc-4946-98c3-69cda0d20b19/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 c1c75e051173a22f60f33f26eab32e0b3a7dcaf46f2d4cc494d0c9d8775c984e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:55:46,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:55:46,291 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-06 22:55:46,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:55:46,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:55:46,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:55:46,380 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:55:46,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:55:46,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:55:46,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:55:46,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:55:46,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:55:46,389 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:55:46,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:55:46,391 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:55:46,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:55:46,392 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:55:46,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:55:46,393 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 22:55:46,393 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 22:55:46,394 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 22:55:46,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:55:46,395 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:55:46,395 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:55:46,396 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:55:46,396 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:55:46,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:55:46,397 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:55:46,398 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:55:46,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:55:46,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:55:46,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:55:46,400 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:55:46,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:55:46,401 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:55:46,401 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:55:46,401 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:55:46,402 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:55:46,402 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_9bf80760-44dc-4946-98c3-69cda0d20b19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1c75e051173a22f60f33f26eab32e0b3a7dcaf46f2d4cc494d0c9d8775c984e [2023-11-06 22:55:46,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:55:46,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:55:46,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:55:46,759 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:55:46,760 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:55:46,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-06 22:55:49,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:55:50,208 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:55:50,209 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/sv-benchmarks/c/pthread/twostage_3.i [2023-11-06 22:55:50,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP/data/d09120579/842c192b89844f808ef49eacfc606902/FLAGc5e947b86 [2023-11-06 22:55:50,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP/data/d09120579/842c192b89844f808ef49eacfc606902 [2023-11-06 22:55:50,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:55:50,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:55:50,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:55:50,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:55:50,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:55:50,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:55:50" (1/1) ... [2023-11-06 22:55:50,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d920e74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:50, skipping insertion in model container [2023-11-06 22:55:50,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:55:50" (1/1) ... [2023-11-06 22:55:50,524 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:55:51,365 WARN L1577 CHandler]: Possible shadowing of function lock [2023-11-06 22:55:51,371 WARN L1577 CHandler]: Possible shadowing of function lock [2023-11-06 22:55:51,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:55:51,389 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 22:55:51,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60c3f841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:51, skipping insertion in model container [2023-11-06 22:55:51,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:55:51,391 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 22:55:51,393 INFO L158 Benchmark]: Toolchain (without parser) took 970.14ms. Allocated memory is still 163.6MB. Free memory was 127.2MB in the beginning and 110.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:55:51,394 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 117.4MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:55:51,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 967.42ms. Allocated memory is still 163.6MB. Free memory was 127.2MB in the beginning and 110.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:55:51,397 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 117.4MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 967.42ms. Allocated memory is still 163.6MB. Free memory was 127.2MB in the beginning and 110.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1287]: 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/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_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/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_9bf80760-44dc-4946-98c3-69cda0d20b19/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 c1c75e051173a22f60f33f26eab32e0b3a7dcaf46f2d4cc494d0c9d8775c984e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:55:54,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:55:54,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-06 22:55:54,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:55:54,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:55:54,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:55:54,222 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:55:54,223 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:55:54,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:55:54,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:55:54,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:55:54,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:55:54,232 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:55:54,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:55:54,234 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:55:54,235 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:55:54,235 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:55:54,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:55:54,236 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 22:55:54,237 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 22:55:54,238 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 22:55:54,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:55:54,239 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:55:54,239 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:55:54,240 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:55:54,240 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:55:54,240 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:55:54,241 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:55:54,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:55:54,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:55:54,244 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:55:54,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:55:54,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:55:54,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:55:54,245 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:55:54,246 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:55:54,246 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:55:54,246 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:55:54,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:55:54,248 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:55:54,248 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:55:54,248 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_9bf80760-44dc-4946-98c3-69cda0d20b19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1c75e051173a22f60f33f26eab32e0b3a7dcaf46f2d4cc494d0c9d8775c984e [2023-11-06 22:55:54,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:55:54,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:55:54,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:55:54,779 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:55:54,779 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:55:54,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-06 22:55:58,037 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:55:58,460 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:55:58,461 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/sv-benchmarks/c/pthread/twostage_3.i [2023-11-06 22:55:58,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP/data/db038d52c/eb19cb56d74d4e67a48be155e8e8da23/FLAG297f53b6a [2023-11-06 22:55:58,524 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP/data/db038d52c/eb19cb56d74d4e67a48be155e8e8da23 [2023-11-06 22:55:58,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:55:58,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:55:58,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:55:58,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:55:58,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:55:58,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:55:58" (1/1) ... [2023-11-06 22:55:58,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@137b4f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:58, skipping insertion in model container [2023-11-06 22:55:58,551 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:55:58" (1/1) ... [2023-11-06 22:55:58,632 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:55:59,688 WARN L1577 CHandler]: Possible shadowing of function lock [2023-11-06 22:55:59,693 WARN L1577 CHandler]: Possible shadowing of function lock [2023-11-06 22:55:59,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:55:59,721 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 22:55:59,748 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:55:59,854 WARN L1577 CHandler]: Possible shadowing of function lock [2023-11-06 22:55:59,856 WARN L1577 CHandler]: Possible shadowing of function lock [2023-11-06 22:55:59,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:55:59,865 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:55:59,941 WARN L1577 CHandler]: Possible shadowing of function lock [2023-11-06 22:55:59,949 WARN L1577 CHandler]: Possible shadowing of function lock [2023-11-06 22:55:59,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:56:00,072 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:56:00,080 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:56:00,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:00 WrapperNode [2023-11-06 22:56:00,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:56:00,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:56:00,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:56:00,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:56:00,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:00" (1/1) ... [2023-11-06 22:56:00,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:00" (1/1) ... [2023-11-06 22:56:00,215 INFO L138 Inliner]: procedures = 378, calls = 62, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 209 [2023-11-06 22:56:00,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:56:00,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:56:00,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:56:00,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:56:00,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:00" (1/1) ... [2023-11-06 22:56:00,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:00" (1/1) ... [2023-11-06 22:56:00,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:00" (1/1) ... [2023-11-06 22:56:00,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:00" (1/1) ... [2023-11-06 22:56:00,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:00" (1/1) ... [2023-11-06 22:56:00,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:00" (1/1) ... [2023-11-06 22:56:00,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:00" (1/1) ... [2023-11-06 22:56:00,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:00" (1/1) ... [2023-11-06 22:56:00,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:56:00,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:56:00,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:56:00,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:56:00,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:00" (1/1) ... [2023-11-06 22:56:00,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:56:00,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:56:00,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:56:00,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf80760-44dc-4946-98c3-69cda0d20b19/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:56:00,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 22:56:00,410 INFO L130 BoogieDeclarations]: Found specification of procedure funcA [2023-11-06 22:56:00,410 INFO L138 BoogieDeclarations]: Found implementation of procedure funcA [2023-11-06 22:56:00,410 INFO L130 BoogieDeclarations]: Found specification of procedure funcB [2023-11-06 22:56:00,410 INFO L138 BoogieDeclarations]: Found implementation of procedure funcB [2023-11-06 22:56:00,411 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-11-06 22:56:00,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:56:00,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:56:00,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:56:00,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 22:56:00,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:56:00,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-06 22:56:00,412 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:56:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:56:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:56:00,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:56:00,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:56:00,416 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 22:56:00,618 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:56:00,621 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:56:01,425 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:56:01,441 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:56:01,442 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 22:56:01,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:56:01 BoogieIcfgContainer [2023-11-06 22:56:01,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:56:01,471 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:56:01,471 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:56:01,475 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:56:01,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:55:58" (1/3) ... [2023-11-06 22:56:01,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364ac929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:56:01, skipping insertion in model container [2023-11-06 22:56:01,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:00" (2/3) ... [2023-11-06 22:56:01,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364ac929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:56:01, skipping insertion in model container [2023-11-06 22:56:01,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:56:01" (3/3) ... [2023-11-06 22:56:01,481 INFO L112 eAbstractionObserver]: Analyzing ICFG twostage_3.i [2023-11-06 22:56:01,502 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:56:01,504 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2023-11-06 22:56:01,504 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:56:01,658 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-06 22:56:01,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 253 places, 269 transitions, 558 flow [2023-11-06 22:56:01,991 INFO L124 PetriNetUnfolderBase]: 43/522 cut-off events. [2023-11-06 22:56:01,992 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-06 22:56:02,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 539 conditions, 522 events. 43/522 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2247 event pairs, 0 based on Foata normal form. 0/395 useless extension candidates. Maximal degree in co-relation 294. Up to 8 conditions per place. [2023-11-06 22:56:02,003 INFO L82 GeneralOperation]: Start removeDead. Operand has 253 places, 269 transitions, 558 flow [2023-11-06 22:56:02,020 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 253 places, 269 transitions, 558 flow [2023-11-06 22:56:02,025 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:56:02,038 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 269 transitions, 558 flow [2023-11-06 22:56:02,041 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 269 transitions, 558 flow [2023-11-06 22:56:02,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 253 places, 269 transitions, 558 flow [2023-11-06 22:56:02,150 INFO L124 PetriNetUnfolderBase]: 43/522 cut-off events. [2023-11-06 22:56:02,150 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-06 22:56:02,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 539 conditions, 522 events. 43/522 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2247 event pairs, 0 based on Foata normal form. 0/395 useless extension candidates. Maximal degree in co-relation 294. Up to 8 conditions per place. [2023-11-06 22:56:02,168 INFO L119 LiptonReduction]: Number of co-enabled transitions 8236 [2023-11-06 22:56:51,393 WARN L293 SmtUtils]: Spent 7.12s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:56:56,966 WARN L293 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 133 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:57:02,021 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:57:42,121 WARN L293 SmtUtils]: Spent 21.27s on a formula simplification. DAG size of input: 150 DAG size of output: 149 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:58:06,378 WARN L293 SmtUtils]: Spent 19.89s on a formula simplification. DAG size of input: 150 DAG size of output: 149 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:58:13,012 WARN L293 SmtUtils]: Spent 6.63s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:58:26,784 WARN L293 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 181 DAG size of output: 79 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:58:33,309 WARN L293 SmtUtils]: Spent 6.28s on a formula simplification. DAG size of input: 191 DAG size of output: 85 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:59:08,580 WARN L293 SmtUtils]: Spent 32.71s on a formula simplification. DAG size of input: 208 DAG size of output: 208 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:59:25,938 WARN L293 SmtUtils]: Spent 17.36s on a formula simplification that was a NOOP. DAG size: 208 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)