./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:00:18,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:00:18,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-19 08:00:18,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:00:18,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:00:18,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:00:18,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:00:18,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:00:18,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:00:18,680 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:00:18,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:00:18,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:00:18,683 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:00:18,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:00:18,686 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:00:18,686 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:00:18,687 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:00:18,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:00:18,688 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 08:00:18,688 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 08:00:18,689 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 08:00:18,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:00:18,690 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:00:18,690 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:00:18,691 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:00:18,691 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:00:18,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:00:18,693 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:00:18,693 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:00:18,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:18,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:00:18,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:00:18,696 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:00:18,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:00:18,697 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:00:18,697 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:00:18,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:00:18,697 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:00:18,698 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_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 [2023-11-19 08:00:19,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:00:19,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:00:19,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:00:19,095 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:00:19,095 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:00:19,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-19 08:00:22,550 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:00:23,027 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:00:23,027 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/sv-benchmarks/c/pthread/twostage_3.i [2023-11-19 08:00:23,057 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/data/cc68b623f/7f83c95fb9b349988f4a74d6246c6abf/FLAG449269b59 [2023-11-19 08:00:23,075 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/data/cc68b623f/7f83c95fb9b349988f4a74d6246c6abf [2023-11-19 08:00:23,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:00:23,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:00:23,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:23,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:00:23,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:00:23,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:23" (1/1) ... [2023-11-19 08:00:23,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7ae865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:23, skipping insertion in model container [2023-11-19 08:00:23,096 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:23" (1/1) ... [2023-11-19 08:00:23,163 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:00:24,091 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-19 08:00:24,094 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-19 08:00:24,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:24,111 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-19 08:00:24,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1531028d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:24, skipping insertion in model container [2023-11-19 08:00:24,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:24,113 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 08:00:24,116 INFO L158 Benchmark]: Toolchain (without parser) took 1034.10ms. Allocated memory is still 161.5MB. Free memory was 128.6MB in the beginning and 111.5MB in the end (delta: 17.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 08:00:24,117 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory was 84.7MB in the beginning and 84.6MB in the end (delta: 91.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:00:24,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1031.01ms. Allocated memory is still 161.5MB. Free memory was 128.6MB in the beginning and 111.5MB in the end (delta: 17.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 08:00:24,120 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory was 84.7MB in the beginning and 84.6MB in the end (delta: 91.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1031.01ms. Allocated memory is still 161.5MB. Free memory was 128.6MB in the beginning and 111.5MB in the end (delta: 17.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1291]: 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_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:00:27,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:00:27,148 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-19 08:00:27,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:00:27,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:00:27,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:00:27,219 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:00:27,220 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:00:27,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:00:27,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:00:27,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:00:27,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:00:27,224 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:00:27,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:00:27,228 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:00:27,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:00:27,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:00:27,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:00:27,237 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 08:00:27,238 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 08:00:27,239 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 08:00:27,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:00:27,241 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:00:27,241 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:00:27,242 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:00:27,245 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:00:27,246 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:00:27,247 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:00:27,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:00:27,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:00:27,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:00:27,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:27,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:00:27,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:00:27,252 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:00:27,252 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:00:27,253 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:00:27,253 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:00:27,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:00:27,255 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:00:27,255 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:00:27,256 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_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 [2023-11-19 08:00:27,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:00:27,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:00:27,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:00:27,753 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:00:27,756 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:00:27,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-19 08:00:31,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:00:32,038 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:00:32,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/sv-benchmarks/c/pthread/twostage_3.i [2023-11-19 08:00:32,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/data/cbd631e6a/f295163dbc6d4e06937f1c43f7b5ce5d/FLAG4b4e43ee1 [2023-11-19 08:00:32,101 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/data/cbd631e6a/f295163dbc6d4e06937f1c43f7b5ce5d [2023-11-19 08:00:32,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:00:32,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:00:32,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:32,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:00:32,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:00:32,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:32" (1/1) ... [2023-11-19 08:00:32,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d18eecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:32, skipping insertion in model container [2023-11-19 08:00:32,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:32" (1/1) ... [2023-11-19 08:00:32,222 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:00:33,108 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-19 08:00:33,110 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-19 08:00:33,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:33,128 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 08:00:33,144 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:00:33,190 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-19 08:00:33,192 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-19 08:00:33,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:33,219 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:00:33,323 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-19 08:00:33,324 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-19 08:00:33,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:33,420 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:00:33,430 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:00:33,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:33 WrapperNode [2023-11-19 08:00:33,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:33,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:33,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:00:33,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:00:33,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:33" (1/1) ... [2023-11-19 08:00:33,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:33" (1/1) ... [2023-11-19 08:00:33,499 INFO L138 Inliner]: procedures = 378, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 209 [2023-11-19 08:00:33,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:33,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:00:33,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:00:33,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:00:33,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:33" (1/1) ... [2023-11-19 08:00:33,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:33" (1/1) ... [2023-11-19 08:00:33,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:33" (1/1) ... [2023-11-19 08:00:33,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:33" (1/1) ... [2023-11-19 08:00:33,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:33" (1/1) ... [2023-11-19 08:00:33,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:33" (1/1) ... [2023-11-19 08:00:33,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:33" (1/1) ... [2023-11-19 08:00:33,543 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:33" (1/1) ... [2023-11-19 08:00:33,548 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:00:33,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:00:33,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:00:33,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:00:33,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:33" (1/1) ... [2023-11-19 08:00:33,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:33,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:33,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:00:33,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa148771-1c4f-4999-a97b-09deec4bfd8f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:00:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 08:00:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure funcA [2023-11-19 08:00:33,638 INFO L138 BoogieDeclarations]: Found implementation of procedure funcA [2023-11-19 08:00:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure funcB [2023-11-19 08:00:33,638 INFO L138 BoogieDeclarations]: Found implementation of procedure funcB [2023-11-19 08:00:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-11-19 08:00:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:00:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:00:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:00:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 08:00:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:00:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 08:00:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 08:00:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:00:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:00:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:00:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:00:33,643 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 08:00:33,908 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:00:33,911 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:00:34,692 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:00:34,705 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:00:34,705 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 08:00:34,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:34 BoogieIcfgContainer [2023-11-19 08:00:34,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:00:34,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:00:34,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:00:34,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:00:34,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:32" (1/3) ... [2023-11-19 08:00:34,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770af82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:34, skipping insertion in model container [2023-11-19 08:00:34,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:33" (2/3) ... [2023-11-19 08:00:34,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770af82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:34, skipping insertion in model container [2023-11-19 08:00:34,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:34" (3/3) ... [2023-11-19 08:00:34,742 INFO L112 eAbstractionObserver]: Analyzing ICFG twostage_3.i [2023-11-19 08:00:34,762 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:00:34,763 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2023-11-19 08:00:34,763 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 08:00:34,885 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-19 08:00:34,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 258 places, 274 transitions, 568 flow [2023-11-19 08:00:35,200 INFO L124 PetriNetUnfolderBase]: 43/527 cut-off events. [2023-11-19 08:00:35,201 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-19 08:00:35,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544 conditions, 527 events. 43/527 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2260 event pairs, 0 based on Foata normal form. 0/400 useless extension candidates. Maximal degree in co-relation 294. Up to 8 conditions per place. [2023-11-19 08:00:35,214 INFO L82 GeneralOperation]: Start removeDead. Operand has 258 places, 274 transitions, 568 flow [2023-11-19 08:00:35,237 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 258 places, 274 transitions, 568 flow [2023-11-19 08:00:35,241 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 08:00:35,276 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 258 places, 274 transitions, 568 flow [2023-11-19 08:00:35,285 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 258 places, 274 transitions, 568 flow [2023-11-19 08:00:35,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 258 places, 274 transitions, 568 flow [2023-11-19 08:00:35,424 INFO L124 PetriNetUnfolderBase]: 43/527 cut-off events. [2023-11-19 08:00:35,424 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-19 08:00:35,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544 conditions, 527 events. 43/527 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2260 event pairs, 0 based on Foata normal form. 0/400 useless extension candidates. Maximal degree in co-relation 294. Up to 8 conditions per place. [2023-11-19 08:00:35,446 INFO L119 LiptonReduction]: Number of co-enabled transitions 9686