./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi --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 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:06,275 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:06,398 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:11:06,410 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:11:06,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:11:06,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:06,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:06,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:06,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:06,458 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:11:06,459 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:06,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:11:06,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:06,462 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:11:06,462 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:11:06,463 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:11:06,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:06,464 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:06,464 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:11:06,465 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:06,465 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:06,466 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:06,466 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:06,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:06,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:06,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:06,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:06,470 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:11:06,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:11:06,471 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_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e [2023-11-24 22:11:06,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:06,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:06,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:06,832 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:06,833 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:06,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2023-11-24 22:11:09,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:10,242 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:10,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2023-11-24 22:11:10,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/data/69c3eb23e/d6b0c4a2bf764c90b8a3706ec7c2dd10/FLAG8dbb147dc [2023-11-24 22:11:10,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/data/69c3eb23e/d6b0c4a2bf764c90b8a3706ec7c2dd10 [2023-11-24 22:11:10,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:10,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:10,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:10,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:10,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:10,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:10" (1/1) ... [2023-11-24 22:11:10,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49039d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:10, skipping insertion in model container [2023-11-24 22:11:10,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:10" (1/1) ... [2023-11-24 22:11:10,340 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:10,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:10,597 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:10,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:10,651 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:10,651 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:10,661 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:10,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:10 WrapperNode [2023-11-24 22:11:10,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:10,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:10,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:10,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:10,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:10" (1/1) ... [2023-11-24 22:11:10,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:10" (1/1) ... [2023-11-24 22:11:10,722 INFO L138 Inliner]: procedures = 24, calls = 40, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 163 [2023-11-24 22:11:10,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:10,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:10,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:10,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:10,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:10" (1/1) ... [2023-11-24 22:11:10,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:10" (1/1) ... [2023-11-24 22:11:10,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:10" (1/1) ... [2023-11-24 22:11:10,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:10" (1/1) ... [2023-11-24 22:11:10,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:10" (1/1) ... [2023-11-24 22:11:10,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:10" (1/1) ... [2023-11-24 22:11:10,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:10" (1/1) ... [2023-11-24 22:11:10,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:10" (1/1) ... [2023-11-24 22:11:10,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:10,776 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:10,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:10,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:10,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:10" (1/1) ... [2023-11-24 22:11:10,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:10,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:10,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:10,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:11:10,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:11:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:11:10,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:11:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:11:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:11:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:11:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:11:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:11:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:11:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:11:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:11:10,906 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:11:11,102 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:11,106 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:11,583 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:11,781 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:11,782 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:11:11,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:11 BoogieIcfgContainer [2023-11-24 22:11:11,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:11,785 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:11,785 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:11,797 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:11,798 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:11" (1/1) ... [2023-11-24 22:11:11,799 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) [2023-11-24 22:11:11,807 INFO L158 Benchmark]: Toolchain (without parser) took 1512.47ms. Allocated memory is still 132.1MB. Free memory was 102.5MB in the beginning and 55.4MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-24 22:11:11,807 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:11,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.72ms. Allocated memory is still 132.1MB. Free memory was 102.0MB in the beginning and 90.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:11:11,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.91ms. Allocated memory is still 132.1MB. Free memory was 90.1MB in the beginning and 88.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:11,810 INFO L158 Benchmark]: Boogie Preprocessor took 51.64ms. Allocated memory is still 132.1MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:11,811 INFO L158 Benchmark]: RCFGBuilder took 1007.38ms. Allocated memory is still 132.1MB. Free memory was 86.3MB in the beginning and 56.4MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-24 22:11:11,812 INFO L158 Benchmark]: CodeCheck took 18.73ms. Allocated memory is still 132.1MB. Free memory was 55.9MB in the beginning and 55.4MB in the end (delta: 497.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:11,817 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 0.32ms. Allocated memory is still 104.9MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.72ms. Allocated memory is still 132.1MB. Free memory was 102.0MB in the beginning and 90.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.91ms. Allocated memory is still 132.1MB. Free memory was 90.1MB in the beginning and 88.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.64ms. Allocated memory is still 132.1MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1007.38ms. Allocated memory is still 132.1MB. Free memory was 86.3MB in the beginning and 56.4MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 18.73ms. Allocated memory is still 132.1MB. Free memory was 55.9MB in the beginning and 55.4MB in the end (delta: 497.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:11:11,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/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_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi --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 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:14,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:14,791 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-24 22:11:14,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:14,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:14,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:14,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:14,831 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:11:14,832 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:14,832 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:11:14,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:14,834 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:11:14,834 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:11:14,835 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:11:14,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:14,836 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:11:14,837 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:11:14,837 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:11:14,838 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:14,843 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:11:14,848 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:14,848 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:14,849 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:14,850 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:14,850 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:14,851 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:11:14,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:14,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:14,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:14,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:14,854 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:11:14,855 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:14,855 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:11:14,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:11:14,856 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_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e [2023-11-24 22:11:15,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:15,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:15,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:15,327 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:15,329 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:15,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2023-11-24 22:11:18,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:19,194 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:19,195 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2023-11-24 22:11:19,203 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/data/02bc65fb3/4341ca1899b04b469ef470dd6d790e79/FLAG605f52ea7 [2023-11-24 22:11:19,216 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/data/02bc65fb3/4341ca1899b04b469ef470dd6d790e79 [2023-11-24 22:11:19,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:19,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:19,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:19,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:19,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:19,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:19" (1/1) ... [2023-11-24 22:11:19,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456eb17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:19, skipping insertion in model container [2023-11-24 22:11:19,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:19" (1/1) ... [2023-11-24 22:11:19,258 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:19,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:19,517 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 22:11:19,528 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:19,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:19,572 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:19,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:19,632 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:19,632 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:19,640 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:19,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:19 WrapperNode [2023-11-24 22:11:19,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:19,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:19,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:19,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:19,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:19" (1/1) ... [2023-11-24 22:11:19,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:19" (1/1) ... [2023-11-24 22:11:19,735 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 159 [2023-11-24 22:11:19,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:19,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:19,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:19,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:19,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:19" (1/1) ... [2023-11-24 22:11:19,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:19" (1/1) ... [2023-11-24 22:11:19,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:19" (1/1) ... [2023-11-24 22:11:19,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:19" (1/1) ... [2023-11-24 22:11:19,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:19" (1/1) ... [2023-11-24 22:11:19,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:19" (1/1) ... [2023-11-24 22:11:19,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:19" (1/1) ... [2023-11-24 22:11:19,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:19" (1/1) ... [2023-11-24 22:11:19,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:19,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:19,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:19,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:19,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:19" (1/1) ... [2023-11-24 22:11:19,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:19,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:19,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:19,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:11:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:11:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:11:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:11:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:11:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:11:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:11:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:11:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:11:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:11:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:11:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:11:19,914 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:11:20,066 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:20,068 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:20,508 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:20,692 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:20,693 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:11:20,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:20 BoogieIcfgContainer [2023-11-24 22:11:20,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:20,695 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:20,696 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:20,706 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:20,706 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:20" (1/1) ... [2023-11-24 22:11:20,707 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) [2023-11-24 22:11:20,718 INFO L158 Benchmark]: Toolchain (without parser) took 1490.91ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 49.7MB in the beginning and 53.9MB in the end (delta: -4.2MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-11-24 22:11:20,719 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 73.4MB. Free memory was 48.7MB in the beginning and 48.6MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:20,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.36ms. Allocated memory is still 73.4MB. Free memory was 49.5MB in the beginning and 35.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:11:20,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.61ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 35.8MB in the beginning and 72.4MB in the end (delta: -36.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:11:20,721 INFO L158 Benchmark]: Boogie Preprocessor took 69.94ms. Allocated memory is still 94.4MB. Free memory was 72.4MB in the beginning and 70.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:20,722 INFO L158 Benchmark]: RCFGBuilder took 887.64ms. Allocated memory is still 94.4MB. Free memory was 70.5MB in the beginning and 55.0MB in the end (delta: 15.4MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2023-11-24 22:11:20,722 INFO L158 Benchmark]: CodeCheck took 14.23ms. Allocated memory is still 94.4MB. Free memory was 55.0MB in the beginning and 53.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:20,726 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 0.68ms. Allocated memory is still 73.4MB. Free memory was 48.7MB in the beginning and 48.6MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.36ms. Allocated memory is still 73.4MB. Free memory was 49.5MB in the beginning and 35.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.61ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 35.8MB in the beginning and 72.4MB in the end (delta: -36.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.94ms. Allocated memory is still 94.4MB. Free memory was 72.4MB in the beginning and 70.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 887.64ms. Allocated memory is still 94.4MB. Free memory was 70.5MB in the beginning and 55.0MB in the end (delta: 15.4MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * CodeCheck took 14.23ms. Allocated memory is still 94.4MB. Free memory was 55.0MB in the beginning and 53.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:11:20,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bfaae6-3f36-438f-933b-954633509cd1/bin/ukojak-verify-afCqCEvfdi/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