./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 613bf9314e4e3fb6e64527ec38c7e6b39400e524de37a5103e9f06d9db406d3d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:25,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:25,279 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:21:25,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:21:25,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:21:25,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:25,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:25,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:25,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:25,352 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:21:25,353 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:21:25,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:21:25,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:25,355 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:21:25,355 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:21:25,356 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:21:25,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:25,357 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:21:25,357 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:21:25,357 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:25,358 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:25,358 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:25,359 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:25,359 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:25,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:25,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:25,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:25,361 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:21:25,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:21:25,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 613bf9314e4e3fb6e64527ec38c7e6b39400e524de37a5103e9f06d9db406d3d [2023-11-19 03:21:25,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:25,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:25,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:25,696 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:25,697 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:25,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2023-11-19 03:21:28,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:28,965 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:28,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2023-11-19 03:21:28,976 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/data/c5adda5c7/e83d0bf3731b49eba31c8b586bd95f38/FLAGa0a0b86a8 [2023-11-19 03:21:29,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/data/c5adda5c7/e83d0bf3731b49eba31c8b586bd95f38 [2023-11-19 03:21:29,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:29,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:29,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:29,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:29,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:29,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:29" (1/1) ... [2023-11-19 03:21:29,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28925005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:29, skipping insertion in model container [2023-11-19 03:21:29,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:29" (1/1) ... [2023-11-19 03:21:29,044 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:29,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:29,260 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:29,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:29,302 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:29,302 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:29,308 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:29,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:29 WrapperNode [2023-11-19 03:21:29,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:29,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:29,311 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:29,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:29,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:29" (1/1) ... [2023-11-19 03:21:29,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:29" (1/1) ... [2023-11-19 03:21:29,378 INFO L138 Inliner]: procedures = 25, calls = 40, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 173 [2023-11-19 03:21:29,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:29,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:29,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:29,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:29,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:29" (1/1) ... [2023-11-19 03:21:29,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:29" (1/1) ... [2023-11-19 03:21:29,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:29" (1/1) ... [2023-11-19 03:21:29,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:29" (1/1) ... [2023-11-19 03:21:29,405 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:29" (1/1) ... [2023-11-19 03:21:29,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:29" (1/1) ... [2023-11-19 03:21:29,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:29" (1/1) ... [2023-11-19 03:21:29,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:29" (1/1) ... [2023-11-19 03:21:29,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:29,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:29,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:29,427 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:29,428 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:29" (1/1) ... [2023-11-19 03:21:29,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:29,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:29,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:29,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:21:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:21:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:21:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:21:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:21:29,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:21:29,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:21:29,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:21:29,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:21:29,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:21:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:21:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:21:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:29,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:21:29,528 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:21:29,742 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:29,747 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:30,239 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:30,402 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:30,403 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:21:30,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:30 BoogieIcfgContainer [2023-11-19 03:21:30,410 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:21:30,412 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:21:30,412 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:21:30,423 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:21:30,425 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,426 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:21:30,434 INFO L158 Benchmark]: Toolchain (without parser) took 1428.53ms. Allocated memory is still 174.1MB. Free memory was 144.8MB in the beginning and 117.7MB in the end (delta: 27.1MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2023-11-19 03:21:30,435 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:21:30,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.56ms. Allocated memory is still 174.1MB. Free memory was 144.0MB in the beginning and 133.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:21:30,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.23ms. Allocated memory is still 174.1MB. Free memory was 132.2MB in the beginning and 130.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:30,437 INFO L158 Benchmark]: Boogie Preprocessor took 46.23ms. Allocated memory is still 174.1MB. Free memory was 130.1MB in the beginning and 128.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:21:30,439 INFO L158 Benchmark]: RCFGBuilder took 983.60ms. Allocated memory is still 174.1MB. Free memory was 128.8MB in the beginning and 119.0MB in the end (delta: 9.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:21:30,440 INFO L158 Benchmark]: CodeCheck took 20.47ms. Allocated memory is still 174.1MB. Free memory was 119.0MB in the beginning and 117.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:30,448 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.56ms. Allocated memory is still 174.1MB. Free memory was 144.0MB in the beginning and 133.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.23ms. Allocated memory is still 174.1MB. Free memory was 132.2MB in the beginning and 130.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.23ms. Allocated memory is still 174.1MB. Free memory was 130.1MB in the beginning and 128.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 983.60ms. Allocated memory is still 174.1MB. Free memory was 128.8MB in the beginning and 119.0MB in the end (delta: 9.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 20.47ms. Allocated memory is still 174.1MB. Free memory was 119.0MB in the beginning and 117.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:21:30,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 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_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 613bf9314e4e3fb6e64527ec38c7e6b39400e524de37a5103e9f06d9db406d3d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:33,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:33,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:21:33,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:33,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:33,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:33,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:33,319 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:21:33,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:21:33,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:21:33,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:33,326 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:21:33,326 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:21:33,328 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:21:33,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:33,329 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:21:33,329 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:21:33,330 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:21:33,330 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:21:33,331 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:21:33,332 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:33,332 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:33,333 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:33,333 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:33,334 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:21:33,334 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:21:33,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:33,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:33,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:33,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:33,338 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:21:33,338 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:21:33,339 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:21:33,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:21:33,339 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 613bf9314e4e3fb6e64527ec38c7e6b39400e524de37a5103e9f06d9db406d3d [2023-11-19 03:21:33,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:33,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:33,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:33,777 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:33,777 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:33,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2023-11-19 03:21:36,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:37,175 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:37,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2023-11-19 03:21:37,183 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/data/9efa322d5/c10cff8aa5d34d51a0e8c941bffd6e41/FLAG8cdb5f94c [2023-11-19 03:21:37,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/data/9efa322d5/c10cff8aa5d34d51a0e8c941bffd6e41 [2023-11-19 03:21:37,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:37,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:37,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:37,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:37,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:37,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:37" (1/1) ... [2023-11-19 03:21:37,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@782fd1c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:37, skipping insertion in model container [2023-11-19 03:21:37,223 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:37" (1/1) ... [2023-11-19 03:21:37,264 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:37,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:37,478 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:21:37,491 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:37,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:37,544 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:37,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:37,611 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:37,611 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:37,645 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:37,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:37 WrapperNode [2023-11-19 03:21:37,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:37,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:37,647 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:37,647 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:37,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:37" (1/1) ... [2023-11-19 03:21:37,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:37" (1/1) ... [2023-11-19 03:21:37,738 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 169 [2023-11-19 03:21:37,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:37,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:37,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:37,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:37,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:37" (1/1) ... [2023-11-19 03:21:37,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:37" (1/1) ... [2023-11-19 03:21:37,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:37" (1/1) ... [2023-11-19 03:21:37,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:37" (1/1) ... [2023-11-19 03:21:37,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:37" (1/1) ... [2023-11-19 03:21:37,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:37" (1/1) ... [2023-11-19 03:21:37,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:37" (1/1) ... [2023-11-19 03:21:37,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:37" (1/1) ... [2023-11-19 03:21:37,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:37,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:37,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:37,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:37,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:37" (1/1) ... [2023-11-19 03:21:37,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:37,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:37,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:37,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:21:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:21:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:21:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:21:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:21:37,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:21:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:21:37,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:21:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:21:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:21:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:21:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:37,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:21:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:21:37,905 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:21:38,067 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:38,069 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:38,564 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:38,797 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:38,798 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:21:38,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:38 BoogieIcfgContainer [2023-11-19 03:21:38,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:21:38,803 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:21:38,803 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:21:38,813 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:21:38,813 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:38" (1/1) ... [2023-11-19 03:21:38,814 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:21:38,819 INFO L158 Benchmark]: Toolchain (without parser) took 1605.18ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 49.7MB in the beginning and 65.4MB in the end (delta: -15.7MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2023-11-19 03:21:38,819 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 73.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:21:38,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.72ms. Allocated memory is still 73.4MB. Free memory was 49.5MB in the beginning and 52.8MB in the end (delta: -3.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-11-19 03:21:38,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.19ms. Allocated memory is still 73.4MB. Free memory was 52.8MB in the beginning and 50.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:38,821 INFO L158 Benchmark]: Boogie Preprocessor took 78.72ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 48.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:21:38,822 INFO L158 Benchmark]: RCFGBuilder took 983.33ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 48.6MB in the beginning and 66.6MB in the end (delta: -18.0MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-19 03:21:38,823 INFO L158 Benchmark]: CodeCheck took 14.24ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 65.4MB in the end (delta: 704.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:21:38,826 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 73.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.72ms. Allocated memory is still 73.4MB. Free memory was 49.5MB in the beginning and 52.8MB in the end (delta: -3.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.19ms. Allocated memory is still 73.4MB. Free memory was 52.8MB in the beginning and 50.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.72ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 48.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 983.33ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 48.6MB in the beginning and 66.6MB in the end (delta: -18.0MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * CodeCheck took 14.24ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 65.4MB in the end (delta: 704.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:21:38,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1da579-39c4-42c7-a87c-83628b74a8e8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported