./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:13:45,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:13:46,008 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-12 02:13:46,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:13:46,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:13:46,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:13:46,064 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:13:46,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:13:46,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:13:46,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:13:46,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:13:46,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:13:46,074 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:13:46,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:13:46,077 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:13:46,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:13:46,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:13:46,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:13:46,079 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 02:13:46,080 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 02:13:46,080 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 02:13:46,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:13:46,081 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:13:46,082 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:13:46,082 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:13:46,083 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:13:46,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:13:46,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:13:46,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:13:46,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:13:46,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:13:46,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:13:46,088 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:13:46,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:13:46,088 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:13:46,089 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:13:46,089 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:13:46,089 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:13:46,089 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_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe [2023-11-12 02:13:46,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:13:46,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:13:46,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:13:46,498 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:13:46,498 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:13:46,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-12 02:13:49,898 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:13:50,173 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:13:50,174 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-12 02:13:50,193 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/data/a660e8c27/818f261c08c043c1b5c3fc6194d71eac/FLAG2b6374c81 [2023-11-12 02:13:50,217 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/data/a660e8c27/818f261c08c043c1b5c3fc6194d71eac [2023-11-12 02:13:50,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:13:50,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:13:50,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:13:50,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:13:50,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:13:50,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:13:50" (1/1) ... [2023-11-12 02:13:50,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146a7372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:50, skipping insertion in model container [2023-11-12 02:13:50,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:13:50" (1/1) ... [2023-11-12 02:13:50,285 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:13:50,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:13:50,672 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-12 02:13:50,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74403752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:50, skipping insertion in model container [2023-11-12 02:13:50,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:13:50,674 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 02:13:50,677 INFO L158 Benchmark]: Toolchain (without parser) took 449.29ms. Allocated memory is still 155.2MB. Free memory was 116.4MB in the beginning and 123.2MB in the end (delta: -6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 02:13:50,677 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 115.3MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:13:50,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.10ms. Allocated memory is still 155.2MB. Free memory was 116.2MB in the beginning and 123.2MB in the end (delta: -6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 02:13:50,681 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 115.3MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.10ms. Allocated memory is still 155.2MB. Free memory was 116.2MB in the beginning and 123.2MB in the end (delta: -6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 161]: 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_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:13:53,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:13:53,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-12 02:13:53,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:13:53,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:13:53,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:13:53,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:13:53,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:13:53,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:13:53,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:13:53,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:13:53,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:13:53,893 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:13:53,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:13:53,896 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:13:53,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:13:53,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:13:53,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:13:53,898 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 02:13:53,899 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 02:13:53,899 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 02:13:53,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:13:53,900 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:13:53,900 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:13:53,901 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:13:53,902 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:13:53,902 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:13:53,903 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:13:53,904 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:13:53,904 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:13:53,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:13:53,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:13:53,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:13:53,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:13:53,907 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:13:53,908 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:13:53,908 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:13:53,908 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:13:53,909 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:13:53,910 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:13:53,910 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:13:53,910 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_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe [2023-11-12 02:13:54,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:13:54,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:13:54,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:13:54,426 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:13:54,427 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:13:54,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-12 02:13:58,084 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:13:58,408 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:13:58,408 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-12 02:13:58,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/data/0af0dfb96/fcbcbb4db20d4d7cba26638af7098aff/FLAG6cc8cf651 [2023-11-12 02:13:58,436 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/data/0af0dfb96/fcbcbb4db20d4d7cba26638af7098aff [2023-11-12 02:13:58,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:13:58,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:13:58,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:13:58,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:13:58,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:13:58,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:13:58" (1/1) ... [2023-11-12 02:13:58,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60b7991c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:58, skipping insertion in model container [2023-11-12 02:13:58,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:13:58" (1/1) ... [2023-11-12 02:13:58,484 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:13:58,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:13:58,836 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 02:13:58,848 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:13:58,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:13:58,967 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:13:59,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:13:59,062 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:13:59,063 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:13:59,072 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:13:59,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:59 WrapperNode [2023-11-12 02:13:59,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:13:59,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:13:59,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:13:59,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:13:59,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:59" (1/1) ... [2023-11-12 02:13:59,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:59" (1/1) ... [2023-11-12 02:13:59,177 INFO L138 Inliner]: procedures = 29, calls = 81, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 312 [2023-11-12 02:13:59,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:13:59,183 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:13:59,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:13:59,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:13:59,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:59" (1/1) ... [2023-11-12 02:13:59,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:59" (1/1) ... [2023-11-12 02:13:59,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:59" (1/1) ... [2023-11-12 02:13:59,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:59" (1/1) ... [2023-11-12 02:13:59,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:59" (1/1) ... [2023-11-12 02:13:59,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:59" (1/1) ... [2023-11-12 02:13:59,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:59" (1/1) ... [2023-11-12 02:13:59,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:59" (1/1) ... [2023-11-12 02:13:59,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:13:59,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:13:59,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:13:59,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:13:59,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:59" (1/1) ... [2023-11-12 02:13:59,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:13:59,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:13:59,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:13:59,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73595fba-9e46-4183-b8c6-fa7bdbb23a85/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:13:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:13:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:13:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:13:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 02:13:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 02:13:59,350 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 02:13:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 02:13:59,351 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 02:13:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 02:13:59,351 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 02:13:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-12 02:13:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-12 02:13:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:13:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:13:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:13:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:13:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:13:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:13:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 02:13:59,356 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:13:59,529 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:13:59,532 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:14:00,396 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:14:00,711 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:14:00,711 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-12 02:14:00,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:14:00 BoogieIcfgContainer [2023-11-12 02:14:00,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:14:00,721 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:14:00,721 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:14:00,727 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:14:00,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:13:58" (1/3) ... [2023-11-12 02:14:00,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40099bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:14:00, skipping insertion in model container [2023-11-12 02:14:00,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:59" (2/3) ... [2023-11-12 02:14:00,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40099bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:14:00, skipping insertion in model container [2023-11-12 02:14:00,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:14:00" (3/3) ... [2023-11-12 02:14:00,732 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2023-11-12 02:14:00,755 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:14:00,756 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-11-12 02:14:00,756 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:14:00,927 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-12 02:14:00,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 263 places, 268 transitions, 564 flow [2023-11-12 02:14:01,163 INFO L124 PetriNetUnfolderBase]: 18/264 cut-off events. [2023-11-12 02:14:01,167 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-12 02:14:01,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 264 events. 18/264 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 252 event pairs, 0 based on Foata normal form. 0/216 useless extension candidates. Maximal degree in co-relation 208. Up to 2 conditions per place. [2023-11-12 02:14:01,179 INFO L82 GeneralOperation]: Start removeDead. Operand has 263 places, 268 transitions, 564 flow [2023-11-12 02:14:01,199 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 254 places, 259 transitions, 542 flow [2023-11-12 02:14:01,203 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:14:01,222 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 254 places, 259 transitions, 542 flow [2023-11-12 02:14:01,228 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 254 places, 259 transitions, 542 flow [2023-11-12 02:14:01,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 254 places, 259 transitions, 542 flow [2023-11-12 02:14:01,341 INFO L124 PetriNetUnfolderBase]: 18/259 cut-off events. [2023-11-12 02:14:01,342 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-12 02:14:01,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 259 events. 18/259 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 251 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 208. Up to 2 conditions per place. [2023-11-12 02:14:01,351 INFO L119 LiptonReduction]: Number of co-enabled transitions 3852 [2023-11-12 02:14:35,427 WARN L293 SmtUtils]: Spent 7.91s on a formula simplification. DAG size of input: 131 DAG size of output: 130 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-12 02:14:46,118 WARN L293 SmtUtils]: Spent 8.64s on a formula simplification. DAG size of input: 137 DAG size of output: 136 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)