./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.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_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/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_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/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_2730c59d-fe04-4e80-8243-cc10855e38e2/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 1ecd7c8e693c00e4ad1aa87421fd475cfc129d605eef5f310568fee0c97eadf4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:23:24,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:23:25,063 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-12 02:23:25,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:23:25,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:23:25,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:23:25,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:23:25,098 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:23:25,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:23:25,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:23:25,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:23:25,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:23:25,101 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:23:25,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:23:25,103 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:23:25,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:23:25,104 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:23:25,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:23:25,105 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 02:23:25,105 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 02:23:25,105 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 02:23:25,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:23:25,106 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:23:25,107 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:23:25,107 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:23:25,108 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:23:25,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:23:25,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:23:25,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:23:25,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:23:25,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:23:25,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:23:25,110 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:23:25,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:23:25,111 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:23:25,111 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:23:25,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:23:25,112 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:23:25,112 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_2730c59d-fe04-4e80-8243-cc10855e38e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecd7c8e693c00e4ad1aa87421fd475cfc129d605eef5f310568fee0c97eadf4 [2023-11-12 02:23:25,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:23:25,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:23:25,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:23:25,425 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:23:25,426 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:23:25,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c [2023-11-12 02:23:28,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:23:28,956 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:23:28,957 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c [2023-11-12 02:23:28,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl/data/e871e0e83/e6a980e33e114e77ba52fe93b4c73dfb/FLAGceea5f398 [2023-11-12 02:23:28,978 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl/data/e871e0e83/e6a980e33e114e77ba52fe93b4c73dfb [2023-11-12 02:23:28,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:23:28,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:23:28,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:23:28,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:23:28,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:23:28,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:23:28" (1/1) ... [2023-11-12 02:23:28,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a96f089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:28, skipping insertion in model container [2023-11-12 02:23:28,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:23:28" (1/1) ... [2023-11-12 02:23:29,025 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:23:29,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:23:29,272 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 02:23:29,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@307ee1a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:29, skipping insertion in model container [2023-11-12 02:23:29,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:23:29,274 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 02:23:29,276 INFO L158 Benchmark]: Toolchain (without parser) took 292.21ms. Allocated memory is still 134.2MB. Free memory was 90.0MB in the beginning and 79.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:23:29,276 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory is still 108.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:23:29,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.50ms. Allocated memory is still 134.2MB. Free memory was 90.0MB in the beginning and 79.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:23:29,279 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory is still 108.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.50ms. Allocated memory is still 134.2MB. Free memory was 90.0MB in the beginning and 79.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 125]: 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_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/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_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/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_2730c59d-fe04-4e80-8243-cc10855e38e2/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 1ecd7c8e693c00e4ad1aa87421fd475cfc129d605eef5f310568fee0c97eadf4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:23:31,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:23:31,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-12 02:23:31,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:23:31,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:23:31,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:23:31,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:23:31,888 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:23:31,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:23:31,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:23:31,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:23:31,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:23:31,896 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:23:31,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:23:31,898 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:23:31,898 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:23:31,899 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:23:31,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:23:31,899 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 02:23:31,900 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 02:23:31,900 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 02:23:31,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:23:31,901 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:23:31,902 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:23:31,902 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:23:31,902 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:23:31,903 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:23:31,903 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:23:31,904 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:23:31,904 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:23:31,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:23:31,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:23:31,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:23:31,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:23:31,907 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:23:31,907 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:23:31,908 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:23:31,908 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:23:31,908 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:23:31,909 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:23:31,909 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:23:31,910 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_2730c59d-fe04-4e80-8243-cc10855e38e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecd7c8e693c00e4ad1aa87421fd475cfc129d605eef5f310568fee0c97eadf4 [2023-11-12 02:23:32,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:23:32,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:23:32,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:23:32,395 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:23:32,395 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:23:32,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c [2023-11-12 02:23:35,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:23:35,828 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:23:35,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c [2023-11-12 02:23:35,841 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl/data/d91390101/d8eeac9db4df4108b0322998cae34271/FLAG318828d70 [2023-11-12 02:23:35,855 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl/data/d91390101/d8eeac9db4df4108b0322998cae34271 [2023-11-12 02:23:35,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:23:35,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:23:35,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:23:35,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:23:35,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:23:35,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:23:35" (1/1) ... [2023-11-12 02:23:35,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6c0242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:35, skipping insertion in model container [2023-11-12 02:23:35,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:23:35" (1/1) ... [2023-11-12 02:23:35,902 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:23:36,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:23:36,135 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 02:23:36,144 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:23:36,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:23:36,253 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:23:36,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:23:36,344 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:23:36,349 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:23:36,357 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:23:36,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:36 WrapperNode [2023-11-12 02:23:36,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:23:36,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:23:36,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:23:36,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:23:36,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:36" (1/1) ... [2023-11-12 02:23:36,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:36" (1/1) ... [2023-11-12 02:23:36,464 INFO L138 Inliner]: procedures = 30, calls = 81, calls flagged for inlining = 27, calls inlined = 33, statements flattened = 404 [2023-11-12 02:23:36,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:23:36,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:23:36,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:23:36,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:23:36,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:36" (1/1) ... [2023-11-12 02:23:36,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:36" (1/1) ... [2023-11-12 02:23:36,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:36" (1/1) ... [2023-11-12 02:23:36,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:36" (1/1) ... [2023-11-12 02:23:36,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:36" (1/1) ... [2023-11-12 02:23:36,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:36" (1/1) ... [2023-11-12 02:23:36,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:36" (1/1) ... [2023-11-12 02:23:36,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:36" (1/1) ... [2023-11-12 02:23:36,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:23:36,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:23:36,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:23:36,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:23:36,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:36" (1/1) ... [2023-11-12 02:23:36,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:23:36,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:23:36,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:23:36,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2730c59d-fe04-4e80-8243-cc10855e38e2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:23:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:23:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-12 02:23:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:23:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:23:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:23:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 02:23:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:23:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 02:23:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 02:23:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 02:23:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 02:23:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 02:23:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 02:23:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:23:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:23:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:23:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:23:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:23:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-12 02:23:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:23:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 02:23:36,664 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 02:23:36,871 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:23:36,875 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:23:38,033 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:23:38,341 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:23:38,342 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-12 02:23:38,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:23:38 BoogieIcfgContainer [2023-11-12 02:23:38,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:23:38,350 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:23:38,350 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:23:38,353 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:23:38,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:23:35" (1/3) ... [2023-11-12 02:23:38,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2336433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:23:38, skipping insertion in model container [2023-11-12 02:23:38,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:36" (2/3) ... [2023-11-12 02:23:38,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2336433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:23:38, skipping insertion in model container [2023-11-12 02:23:38,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:23:38" (3/3) ... [2023-11-12 02:23:38,357 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons-eq.wvr.c [2023-11-12 02:23:38,377 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:23:38,377 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2023-11-12 02:23:38,377 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:23:38,620 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-12 02:23:38,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 456 places, 483 transitions, 987 flow [2023-11-12 02:23:38,972 INFO L124 PetriNetUnfolderBase]: 37/480 cut-off events. [2023-11-12 02:23:38,973 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 02:23:38,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 480 events. 37/480 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 793 event pairs, 0 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 366. Up to 2 conditions per place. [2023-11-12 02:23:38,983 INFO L82 GeneralOperation]: Start removeDead. Operand has 456 places, 483 transitions, 987 flow [2023-11-12 02:23:39,002 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 448 places, 475 transitions, 968 flow [2023-11-12 02:23:39,005 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:23:39,020 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 448 places, 475 transitions, 968 flow [2023-11-12 02:23:39,025 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 448 places, 475 transitions, 968 flow [2023-11-12 02:23:39,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 448 places, 475 transitions, 968 flow [2023-11-12 02:23:39,172 INFO L124 PetriNetUnfolderBase]: 37/475 cut-off events. [2023-11-12 02:23:39,172 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 02:23:39,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 488 conditions, 475 events. 37/475 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 788 event pairs, 0 based on Foata normal form. 0/381 useless extension candidates. Maximal degree in co-relation 366. Up to 2 conditions per place. [2023-11-12 02:23:39,188 INFO L119 LiptonReduction]: Number of co-enabled transitions 11872