./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.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_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/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_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/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_84dfbf95-fb1d-46b7-b783-b45f07b94af7/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 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:06:47,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:06:47,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:06:47,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:06:47,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:06:47,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:06:47,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:06:47,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:06:47,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:06:47,950 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:06:47,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:06:47,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:06:47,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:06:47,952 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:06:47,952 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:06:47,953 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:06:47,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:06:47,954 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:06:47,954 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:06:47,954 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:06:47,955 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:06:47,956 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:06:47,956 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:06:47,957 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:06:47,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:47,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:06:47,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:06:47,958 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:06:47,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:06:47,959 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_84dfbf95-fb1d-46b7-b783-b45f07b94af7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd [2023-11-24 23:06:48,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:06:48,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:06:48,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:06:48,321 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:06:48,322 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:06:48,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-11-24 23:06:51,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:06:51,921 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:06:51,922 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-11-24 23:06:51,932 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/data/95f7dfff6/fb532e66f7004693b56ff05e00b7d9c1/FLAG62f708922 [2023-11-24 23:06:51,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/data/95f7dfff6/fb532e66f7004693b56ff05e00b7d9c1 [2023-11-24 23:06:51,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:06:51,961 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:06:51,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:51,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:06:51,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:06:51,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:51" (1/1) ... [2023-11-24 23:06:51,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a546bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:51, skipping insertion in model container [2023-11-24 23:06:51,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:51" (1/1) ... [2023-11-24 23:06:52,003 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:06:52,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:52,210 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:06:52,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:52,238 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:52,239 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:52,247 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:06:52,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:52 WrapperNode [2023-11-24 23:06:52,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:52,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:52,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:06:52,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:06:52,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:52" (1/1) ... [2023-11-24 23:06:52,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:52" (1/1) ... [2023-11-24 23:06:52,287 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2023-11-24 23:06:52,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:52,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:06:52,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:06:52,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:06:52,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:52" (1/1) ... [2023-11-24 23:06:52,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:52" (1/1) ... [2023-11-24 23:06:52,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:52" (1/1) ... [2023-11-24 23:06:52,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:52" (1/1) ... [2023-11-24 23:06:52,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:52" (1/1) ... [2023-11-24 23:06:52,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:52" (1/1) ... [2023-11-24 23:06:52,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:52" (1/1) ... [2023-11-24 23:06:52,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:52" (1/1) ... [2023-11-24 23:06:52,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:06:52,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:06:52,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:06:52,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:06:52,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:52" (1/1) ... [2023-11-24 23:06:52,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:52,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:06:52,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:06:52,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:06:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:06:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:06:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:06:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:06:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:06:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:06:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:06:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:06:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:06:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:06:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:06:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:06:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:06:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:06:52,417 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 23:06:52,573 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:06:52,575 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:06:52,806 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:06:52,895 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:06:52,900 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:06:52,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:52 BoogieIcfgContainer [2023-11-24 23:06:52,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:06:52,904 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:06:52,904 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:06:52,915 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:06:52,916 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:52" (1/1) ... [2023-11-24 23:06:52,917 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 23:06:52,923 INFO L158 Benchmark]: Toolchain (without parser) took 961.27ms. Allocated memory is still 163.6MB. Free memory was 124.7MB in the beginning and 93.0MB in the end (delta: 31.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-24 23:06:52,924 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:52,926 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.01ms. Allocated memory is still 163.6MB. Free memory was 124.5MB in the beginning and 113.4MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:06:52,927 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.06ms. Allocated memory is still 163.6MB. Free memory was 113.4MB in the beginning and 111.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:52,927 INFO L158 Benchmark]: Boogie Preprocessor took 30.80ms. Allocated memory is still 163.6MB. Free memory was 111.3MB in the beginning and 110.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:52,929 INFO L158 Benchmark]: RCFGBuilder took 582.62ms. Allocated memory is still 163.6MB. Free memory was 110.0MB in the beginning and 93.9MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:06:52,930 INFO L158 Benchmark]: CodeCheck took 17.78ms. Allocated memory is still 163.6MB. Free memory was 93.9MB in the beginning and 93.0MB in the end (delta: 867.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:52,941 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 0.35ms. Allocated memory is still 104.9MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.01ms. Allocated memory is still 163.6MB. Free memory was 124.5MB in the beginning and 113.4MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.06ms. Allocated memory is still 163.6MB. Free memory was 113.4MB in the beginning and 111.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.80ms. Allocated memory is still 163.6MB. Free memory was 111.3MB in the beginning and 110.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 582.62ms. Allocated memory is still 163.6MB. Free memory was 110.0MB in the beginning and 93.9MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 17.78ms. Allocated memory is still 163.6MB. Free memory was 93.9MB in the beginning and 93.0MB in the end (delta: 867.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:06:52,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/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_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/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_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/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_84dfbf95-fb1d-46b7-b783-b45f07b94af7/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 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:06:55,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:06:55,868 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-24 23:06:55,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:06:55,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:06:55,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:06:55,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:06:55,932 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:06:55,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:06:55,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:06:55,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:06:55,939 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:06:55,940 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:06:55,941 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:06:55,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:06:55,943 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:06:55,943 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:06:55,944 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:06:55,944 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:06:55,945 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:06:55,945 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:06:55,946 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:06:55,946 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:06:55,947 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:06:55,947 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:06:55,948 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:06:55,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:06:55,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:55,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:06:55,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:06:55,952 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:06:55,952 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:06:55,952 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:06:55,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:06:55,953 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_84dfbf95-fb1d-46b7-b783-b45f07b94af7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd [2023-11-24 23:06:56,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:06:56,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:06:56,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:06:56,453 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:06:56,454 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:06:56,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-11-24 23:06:59,848 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:07:00,116 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:07:00,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-11-24 23:07:00,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/data/2a115b795/3ab0bfb506e14b2ababac0a8c5927539/FLAGfc590aef9 [2023-11-24 23:07:00,139 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/data/2a115b795/3ab0bfb506e14b2ababac0a8c5927539 [2023-11-24 23:07:00,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:07:00,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:07:00,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:00,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:07:00,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:07:00,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@493a4862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00, skipping insertion in model container [2023-11-24 23:07:00,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,175 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:07:00,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:00,404 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:07:00,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:00,468 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:00,474 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:00,482 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:07:00,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00 WrapperNode [2023-11-24 23:07:00,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:00,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:00,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:07:00,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:07:00,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,550 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2023-11-24 23:07:00,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:00,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:07:00,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:07:00,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:07:00,564 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,593 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,608 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:07:00,615 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:07:00,615 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:07:00,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:07:00,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:00,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:07:00,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:07:00,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:07:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:07:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:07:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:07:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:07:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:07:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:07:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:07:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:07:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:07:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:07:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:07:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:07:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:07:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:07:00,799 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 23:07:00,964 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:07:00,966 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:07:01,241 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:07:01,295 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:07:01,296 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:07:01,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:01 BoogieIcfgContainer [2023-11-24 23:07:01,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:07:01,305 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:07:01,305 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:07:01,315 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:07:01,315 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:01" (1/1) ... [2023-11-24 23:07:01,316 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 23:07:01,329 INFO L158 Benchmark]: Toolchain (without parser) took 1185.37ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 43.7MB in the end (delta: 13.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-24 23:07:01,331 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 58.7MB. Free memory was 34.3MB in the beginning and 34.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:01,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.98ms. Allocated memory is still 81.8MB. Free memory was 57.2MB in the beginning and 45.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:07:01,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.37ms. Allocated memory is still 81.8MB. Free memory was 45.7MB in the beginning and 44.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:01,334 INFO L158 Benchmark]: Boogie Preprocessor took 61.80ms. Allocated memory is still 81.8MB. Free memory was 44.0MB in the beginning and 42.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:01,335 INFO L158 Benchmark]: RCFGBuilder took 689.06ms. Allocated memory is still 81.8MB. Free memory was 42.6MB in the beginning and 44.7MB in the end (delta: -2.1MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2023-11-24 23:07:01,336 INFO L158 Benchmark]: CodeCheck took 22.99ms. Allocated memory is still 81.8MB. Free memory was 44.7MB in the beginning and 43.7MB in the end (delta: 954.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:01,340 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 0.52ms. Allocated memory is still 58.7MB. Free memory was 34.3MB in the beginning and 34.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.98ms. Allocated memory is still 81.8MB. Free memory was 57.2MB in the beginning and 45.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.37ms. Allocated memory is still 81.8MB. Free memory was 45.7MB in the beginning and 44.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.80ms. Allocated memory is still 81.8MB. Free memory was 44.0MB in the beginning and 42.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 689.06ms. Allocated memory is still 81.8MB. Free memory was 42.6MB in the beginning and 44.7MB in the end (delta: -2.1MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * CodeCheck took 22.99ms. Allocated memory is still 81.8MB. Free memory was 44.7MB in the beginning and 43.7MB in the end (delta: 954.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:07:01,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dfbf95-fb1d-46b7-b783-b45f07b94af7/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