./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9 --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 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:37:14,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:37:14,557 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 22:37:14,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:37:14,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:37:14,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:37:14,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:37:14,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:37:14,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:37:14,589 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:37:14,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:37:14,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:37:14,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:37:14,591 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 22:37:14,591 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 22:37:14,592 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 22:37:14,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:37:14,593 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:37:14,593 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:37:14,594 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:37:14,594 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:37:14,599 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:37:14,599 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:37:14,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:37:14,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:37:14,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:37:14,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:37:14,601 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:37:14,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:37:14,602 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_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 [2023-12-02 22:37:14,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:37:14,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:37:14,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:37:14,865 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:37:14,867 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:37:14,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-12-02 22:37:17,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:37:17,984 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:37:17,985 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-12-02 22:37:17,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/data/36f52b8d3/19e38893bfd14b3aa626180d4d209876/FLAGb285019ed [2023-12-02 22:37:18,009 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/data/36f52b8d3/19e38893bfd14b3aa626180d4d209876 [2023-12-02 22:37:18,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:37:18,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:37:18,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:37:18,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:37:18,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:37:18,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:37:18" (1/1) ... [2023-12-02 22:37:18,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1874bad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:18, skipping insertion in model container [2023-12-02 22:37:18,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:37:18" (1/1) ... [2023-12-02 22:37:18,051 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:37:18,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:37:18,248 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:37:18,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:37:18,280 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:37:18,281 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:37:18,289 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:37:18,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:18 WrapperNode [2023-12-02 22:37:18,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:37:18,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:37:18,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:37:18,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:37:18,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:18" (1/1) ... [2023-12-02 22:37:18,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:18" (1/1) ... [2023-12-02 22:37:18,329 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-12-02 22:37:18,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:37:18,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:37:18,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:37:18,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:37:18,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:18" (1/1) ... [2023-12-02 22:37:18,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:18" (1/1) ... [2023-12-02 22:37:18,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:18" (1/1) ... [2023-12-02 22:37:18,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:18" (1/1) ... [2023-12-02 22:37:18,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:18" (1/1) ... [2023-12-02 22:37:18,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:18" (1/1) ... [2023-12-02 22:37:18,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:18" (1/1) ... [2023-12-02 22:37:18,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:18" (1/1) ... [2023-12-02 22:37:18,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:37:18,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:37:18,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:37:18,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:37:18,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:18" (1/1) ... [2023-12-02 22:37:18,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:37:18,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:37:18,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:37:18,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:37:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:37:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 22:37:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 22:37:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 22:37:18,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 22:37:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:37:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:37:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:37:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:37:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:37:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:37:18,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:37:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:37:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:37:18,446 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:37:18,568 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:37:18,570 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:37:18,790 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:37:18,839 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:37:18,839 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 22:37:18,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:37:18 BoogieIcfgContainer [2023-12-02 22:37:18,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:37:18,842 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:37:18,843 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:37:18,854 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:37:18,854 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:37:18" (1/1) ... [2023-12-02 22:37:18,855 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) [2023-12-02 22:37:18,860 INFO L158 Benchmark]: Toolchain (without parser) took 845.81ms. Allocated memory is still 144.7MB. Free memory was 107.3MB in the beginning and 75.3MB in the end (delta: 31.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-02 22:37:18,861 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:37:18,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.19ms. Allocated memory is still 144.7MB. Free memory was 107.3MB in the beginning and 96.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:37:18,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.09ms. Allocated memory is still 144.7MB. Free memory was 96.1MB in the beginning and 94.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:37:18,863 INFO L158 Benchmark]: Boogie Preprocessor took 31.80ms. Allocated memory is still 144.7MB. Free memory was 94.3MB in the beginning and 93.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:37:18,864 INFO L158 Benchmark]: RCFGBuilder took 478.36ms. Allocated memory is still 144.7MB. Free memory was 93.3MB in the beginning and 76.2MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:37:18,864 INFO L158 Benchmark]: CodeCheck took 15.87ms. Allocated memory is still 144.7MB. Free memory was 76.2MB in the beginning and 75.3MB in the end (delta: 835.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:37:18,868 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 0.23ms. Allocated memory is still 102.8MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.19ms. Allocated memory is still 144.7MB. Free memory was 107.3MB in the beginning and 96.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.09ms. Allocated memory is still 144.7MB. Free memory was 96.1MB in the beginning and 94.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.80ms. Allocated memory is still 144.7MB. Free memory was 94.3MB in the beginning and 93.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 478.36ms. Allocated memory is still 144.7MB. Free memory was 93.3MB in the beginning and 76.2MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 15.87ms. Allocated memory is still 144.7MB. Free memory was 76.2MB in the beginning and 75.3MB in the end (delta: 835.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:37:18,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9 --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 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:37:20,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:37:21,026 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-02 22:37:21,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:37:21,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:37:21,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:37:21,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:37:21,060 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:37:21,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:37:21,061 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:37:21,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:37:21,062 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 22:37:21,062 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 22:37:21,063 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 22:37:21,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:37:21,064 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:37:21,064 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:37:21,065 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:37:21,065 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:37:21,066 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:37:21,067 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:37:21,070 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:37:21,071 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:37:21,071 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:37:21,071 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:37:21,071 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:37:21,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:37:21,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:37:21,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:37:21,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:37:21,073 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:37:21,074 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:37:21,074 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:37:21,075 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:37:21,075 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_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 [2023-12-02 22:37:21,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:37:21,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:37:21,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:37:21,423 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:37:21,423 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:37:21,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-12-02 22:37:24,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:37:24,489 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:37:24,490 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-12-02 22:37:24,500 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/data/85b71c301/5f6440f5a5c44f24bbffea21a2b5c37a/FLAGb0e9254bf [2023-12-02 22:37:24,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/data/85b71c301/5f6440f5a5c44f24bbffea21a2b5c37a [2023-12-02 22:37:24,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:37:24,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:37:24,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:37:24,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:37:24,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:37:24,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:37:24" (1/1) ... [2023-12-02 22:37:24,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673b3c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:24, skipping insertion in model container [2023-12-02 22:37:24,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:37:24" (1/1) ... [2023-12-02 22:37:24,557 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:37:24,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:37:24,778 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:37:24,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:37:24,815 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:37:24,815 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:37:24,824 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:37:24,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:24 WrapperNode [2023-12-02 22:37:24,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:37:24,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:37:24,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:37:24,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:37:24,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:24" (1/1) ... [2023-12-02 22:37:24,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:24" (1/1) ... [2023-12-02 22:37:24,874 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2023-12-02 22:37:24,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:37:24,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:37:24,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:37:24,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:37:24,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:24" (1/1) ... [2023-12-02 22:37:24,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:24" (1/1) ... [2023-12-02 22:37:24,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:24" (1/1) ... [2023-12-02 22:37:24,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:24" (1/1) ... [2023-12-02 22:37:24,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:24" (1/1) ... [2023-12-02 22:37:24,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:24" (1/1) ... [2023-12-02 22:37:24,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:24" (1/1) ... [2023-12-02 22:37:24,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:24" (1/1) ... [2023-12-02 22:37:24,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:37:24,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:37:24,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:37:24,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:37:24,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:24" (1/1) ... [2023-12-02 22:37:24,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:37:24,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:37:24,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:37:24,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:37:24,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:37:24,993 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 22:37:24,994 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 22:37:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 22:37:24,994 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 22:37:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:37:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:37:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:37:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:37:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:37:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:37:24,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:37:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:37:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:37:24,998 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:37:25,117 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:37:25,120 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:37:25,440 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:37:25,496 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:37:25,496 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 22:37:25,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:37:25 BoogieIcfgContainer [2023-12-02 22:37:25,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:37:25,499 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:37:25,499 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:37:25,511 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:37:25,512 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:37:25" (1/1) ... [2023-12-02 22:37:25,513 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) [2023-12-02 22:37:25,517 INFO L158 Benchmark]: Toolchain (without parser) took 995.37ms. Allocated memory is still 132.1MB. Free memory was 108.2MB in the beginning and 103.7MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:37:25,518 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 67.1MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:37:25,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.21ms. Allocated memory is still 132.1MB. Free memory was 107.9MB in the beginning and 96.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:37:25,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.81ms. Allocated memory is still 132.1MB. Free memory was 96.5MB in the beginning and 94.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:37:25,520 INFO L158 Benchmark]: Boogie Preprocessor took 39.27ms. Allocated memory is still 132.1MB. Free memory was 94.7MB in the beginning and 93.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:37:25,521 INFO L158 Benchmark]: RCFGBuilder took 583.22ms. Allocated memory is still 132.1MB. Free memory was 93.2MB in the beginning and 104.9MB in the end (delta: -11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:37:25,522 INFO L158 Benchmark]: CodeCheck took 16.02ms. Allocated memory is still 132.1MB. Free memory was 104.9MB in the beginning and 103.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:37:25,525 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 0.48ms. Allocated memory is still 67.1MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.21ms. Allocated memory is still 132.1MB. Free memory was 107.9MB in the beginning and 96.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.81ms. Allocated memory is still 132.1MB. Free memory was 96.5MB in the beginning and 94.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.27ms. Allocated memory is still 132.1MB. Free memory was 94.7MB in the beginning and 93.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 583.22ms. Allocated memory is still 132.1MB. Free memory was 93.2MB in the beginning and 104.9MB in the end (delta: -11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 16.02ms. Allocated memory is still 132.1MB. Free memory was 104.9MB in the beginning and 103.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:37:25,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300485c7-e42f-4a07-81ad-e83bcbbd8db2/bin/ukojak-verify-Qdu7aM0XO9/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