./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/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_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/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_d5e91801-d1f9-49e5-af94-7b16b3425b12/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 670814d0a16da58b0f26835e20c05a244e2f373856f13b9d4ff2a931783edf81 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:45:31,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:45:31,143 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-19 07:45:31,150 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:45:31,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:45:31,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:45:31,191 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:45:31,192 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:45:31,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:45:31,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:45:31,200 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:45:31,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:45:31,201 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:45:31,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:45:31,203 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:45:31,204 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:45:31,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:45:31,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:45:31,205 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:45:31,205 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:45:31,206 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:45:31,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:45:31,207 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:45:31,207 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:45:31,208 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:45:31,208 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:45:31,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:45:31,210 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:45:31,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:45:31,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:45:31,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:45:31,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:45:31,213 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:45:31,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:45:31,213 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:45:31,214 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:45:31,214 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:45:31,214 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:45:31,214 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_d5e91801-d1f9-49e5-af94-7b16b3425b12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 670814d0a16da58b0f26835e20c05a244e2f373856f13b9d4ff2a931783edf81 [2023-11-19 07:45:31,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:45:31,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:45:31,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:45:31,626 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:45:31,627 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:45:31,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2023-11-19 07:45:34,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:45:34,958 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:45:34,959 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2023-11-19 07:45:34,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu/data/3c786e490/69dc4fa988ce44fca095a5a336920aa5/FLAGf455bca65 [2023-11-19 07:45:34,981 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu/data/3c786e490/69dc4fa988ce44fca095a5a336920aa5 [2023-11-19 07:45:34,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:45:34,986 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:45:34,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:45:34,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:45:34,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:45:34,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:45:34" (1/1) ... [2023-11-19 07:45:34,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52fdbe85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:34, skipping insertion in model container [2023-11-19 07:45:34,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:45:34" (1/1) ... [2023-11-19 07:45:35,024 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:45:35,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:45:35,355 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-19 07:45:35,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77376b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:35, skipping insertion in model container [2023-11-19 07:45:35,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:45:35,356 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 07:45:35,358 INFO L158 Benchmark]: Toolchain (without parser) took 371.29ms. Allocated memory is still 134.2MB. Free memory was 98.1MB in the beginning and 106.7MB in the end (delta: -8.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:45:35,359 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:45:35,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.60ms. Allocated memory is still 134.2MB. Free memory was 97.7MB in the beginning and 106.7MB in the end (delta: -8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:45:35,362 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 111.1MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.60ms. Allocated memory is still 134.2MB. Free memory was 97.7MB in the beginning and 106.7MB in the end (delta: -8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 123]: 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_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/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_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/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_d5e91801-d1f9-49e5-af94-7b16b3425b12/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 670814d0a16da58b0f26835e20c05a244e2f373856f13b9d4ff2a931783edf81 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:45:38,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:45:38,148 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-19 07:45:38,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:45:38,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:45:38,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:45:38,209 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:45:38,210 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:45:38,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:45:38,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:45:38,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:45:38,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:45:38,218 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:45:38,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:45:38,221 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:45:38,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:45:38,222 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:45:38,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:45:38,223 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:45:38,224 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:45:38,224 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:45:38,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:45:38,225 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:45:38,226 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:45:38,226 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:45:38,227 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:45:38,227 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:45:38,227 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:45:38,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:45:38,229 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:45:38,230 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:45:38,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:45:38,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:45:38,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:45:38,232 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:45:38,232 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:45:38,232 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:45:38,233 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:45:38,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:45:38,234 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:45:38,234 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:45:38,235 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_d5e91801-d1f9-49e5-af94-7b16b3425b12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 670814d0a16da58b0f26835e20c05a244e2f373856f13b9d4ff2a931783edf81 [2023-11-19 07:45:38,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:45:38,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:45:38,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:45:38,726 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:45:38,726 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:45:38,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2023-11-19 07:45:41,979 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:45:42,283 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:45:42,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2023-11-19 07:45:42,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu/data/5a1c9f50b/283e58905490401fa8211f603f4cf992/FLAGed13ac415 [2023-11-19 07:45:42,309 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu/data/5a1c9f50b/283e58905490401fa8211f603f4cf992 [2023-11-19 07:45:42,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:45:42,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:45:42,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:45:42,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:45:42,322 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:45:42,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:45:42" (1/1) ... [2023-11-19 07:45:42,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e7fc36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:42, skipping insertion in model container [2023-11-19 07:45:42,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:45:42" (1/1) ... [2023-11-19 07:45:42,361 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:45:42,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:45:42,657 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 07:45:42,662 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:45:42,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:45:42,727 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:45:42,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:45:42,806 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:45:42,806 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:45:42,815 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:45:42,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:42 WrapperNode [2023-11-19 07:45:42,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:45:42,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:45:42,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:45:42,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:45:42,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:42" (1/1) ... [2023-11-19 07:45:42,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:42" (1/1) ... [2023-11-19 07:45:42,893 INFO L138 Inliner]: procedures = 28, calls = 58, calls flagged for inlining = 15, calls inlined = 23, statements flattened = 235 [2023-11-19 07:45:42,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:45:42,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:45:42,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:45:42,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:45:42,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:42" (1/1) ... [2023-11-19 07:45:42,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:42" (1/1) ... [2023-11-19 07:45:42,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:42" (1/1) ... [2023-11-19 07:45:42,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:42" (1/1) ... [2023-11-19 07:45:42,924 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:42" (1/1) ... [2023-11-19 07:45:42,929 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:42" (1/1) ... [2023-11-19 07:45:42,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:42" (1/1) ... [2023-11-19 07:45:42,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:42" (1/1) ... [2023-11-19 07:45:42,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:45:42,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:45:42,952 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:45:42,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:45:42,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:42" (1/1) ... [2023-11-19 07:45:42,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:45:42,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:42,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:45:43,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e91801-d1f9-49e5-af94-7b16b3425b12/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:45:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:45:43,049 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:45:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:45:43,049 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:45:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 07:45:43,051 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 07:45:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:45:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:45:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:45:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:45:43,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:45:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:45:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:45:43,055 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:45:43,238 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:45:43,241 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:45:44,138 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:45:44,353 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:45:44,353 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 07:45:44,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:45:44 BoogieIcfgContainer [2023-11-19 07:45:44,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:45:44,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:45:44,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:45:44,373 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:45:44,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:45:42" (1/3) ... [2023-11-19 07:45:44,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad19bb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:45:44, skipping insertion in model container [2023-11-19 07:45:44,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:42" (2/3) ... [2023-11-19 07:45:44,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad19bb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:45:44, skipping insertion in model container [2023-11-19 07:45:44,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:45:44" (3/3) ... [2023-11-19 07:45:44,377 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-max.wvr.c [2023-11-19 07:45:44,409 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:45:44,410 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2023-11-19 07:45:44,410 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:45:44,623 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-19 07:45:44,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 352 places, 369 transitions, 759 flow [2023-11-19 07:45:44,921 INFO L124 PetriNetUnfolderBase]: 27/366 cut-off events. [2023-11-19 07:45:44,921 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 07:45:44,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 379 conditions, 366 events. 27/366 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 469 event pairs, 0 based on Foata normal form. 0/293 useless extension candidates. Maximal degree in co-relation 281. Up to 2 conditions per place. [2023-11-19 07:45:44,935 INFO L82 GeneralOperation]: Start removeDead. Operand has 352 places, 369 transitions, 759 flow [2023-11-19 07:45:44,951 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 344 places, 361 transitions, 740 flow [2023-11-19 07:45:44,955 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:45:44,972 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 344 places, 361 transitions, 740 flow [2023-11-19 07:45:44,976 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 344 places, 361 transitions, 740 flow [2023-11-19 07:45:44,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 344 places, 361 transitions, 740 flow [2023-11-19 07:45:45,081 INFO L124 PetriNetUnfolderBase]: 27/361 cut-off events. [2023-11-19 07:45:45,083 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 07:45:45,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 361 events. 27/361 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 468 event pairs, 0 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 281. Up to 2 conditions per place. [2023-11-19 07:45:45,093 INFO L119 LiptonReduction]: Number of co-enabled transitions 5962