./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-ring.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_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/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_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/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_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/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 be394a9cdc866c1e1426a3fe296e99873bcf37ee5e7e1c9e487b239a3e0a8fbe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:28,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:28,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:00:28,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:00:28,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:00:28,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:28,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:28,883 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:28,884 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:28,889 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:00:28,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:00:28,891 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:00:28,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:28,893 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:00:28,894 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:00:28,894 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:00:28,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:28,895 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:00:28,896 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:00:28,896 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:28,897 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:28,898 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:28,898 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:28,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:28,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:28,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:28,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:28,902 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:00:28,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:00:28,903 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_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be394a9cdc866c1e1426a3fe296e99873bcf37ee5e7e1c9e487b239a3e0a8fbe [2023-11-24 23:00:29,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:29,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:29,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:29,217 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:29,217 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:29,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2023-11-24 23:00:32,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:32,585 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:32,586 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2023-11-24 23:00:32,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/data/cf7353736/f2672fd0859e4ffcba9f127ad4242c5d/FLAGb67391422 [2023-11-24 23:00:32,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/data/cf7353736/f2672fd0859e4ffcba9f127ad4242c5d [2023-11-24 23:00:32,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:32,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:32,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:32,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:32,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:32,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:32" (1/1) ... [2023-11-24 23:00:32,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c544100 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:32, skipping insertion in model container [2023-11-24 23:00:32,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:32" (1/1) ... [2023-11-24 23:00:32,680 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:32,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:32,894 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:32,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:32,940 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:32,941 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:32,946 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:32,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:32 WrapperNode [2023-11-24 23:00:32,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:32,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:32,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:32,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:32,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:32" (1/1) ... [2023-11-24 23:00:32,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:32" (1/1) ... [2023-11-24 23:00:33,016 INFO L138 Inliner]: procedures = 25, calls = 62, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 332 [2023-11-24 23:00:33,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:33,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:33,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:33,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:33,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:32" (1/1) ... [2023-11-24 23:00:33,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:32" (1/1) ... [2023-11-24 23:00:33,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:32" (1/1) ... [2023-11-24 23:00:33,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:32" (1/1) ... [2023-11-24 23:00:33,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:32" (1/1) ... [2023-11-24 23:00:33,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:32" (1/1) ... [2023-11-24 23:00:33,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:32" (1/1) ... [2023-11-24 23:00:33,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:32" (1/1) ... [2023-11-24 23:00:33,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:33,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:33,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:33,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:33,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:32" (1/1) ... [2023-11-24 23:00:33,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:33,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:33,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:33,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:00:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:00:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:00:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:00:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:00:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:00:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:00:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 23:00:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 23:00:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:00:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:00:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:00:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:00:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:33,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:00:33,191 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 23:00:33,368 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:33,371 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:34,045 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:34,289 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:34,289 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-24 23:00:34,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:34 BoogieIcfgContainer [2023-11-24 23:00:34,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:34,292 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:34,292 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:34,302 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:34,302 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:34" (1/1) ... [2023-11-24 23:00:34,303 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 23:00:34,307 INFO L158 Benchmark]: Toolchain (without parser) took 1682.13ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 101.7MB in the beginning and 104.5MB in the end (delta: -2.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-24 23:00:34,307 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 144.7MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:34,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.48ms. Allocated memory is still 144.7MB. Free memory was 101.3MB in the beginning and 88.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:00:34,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.16ms. Allocated memory is still 144.7MB. Free memory was 88.7MB in the beginning and 85.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:34,310 INFO L158 Benchmark]: Boogie Preprocessor took 86.09ms. Allocated memory is still 144.7MB. Free memory was 85.7MB in the beginning and 83.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:34,311 INFO L158 Benchmark]: RCFGBuilder took 1187.32ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 83.6MB in the beginning and 105.4MB in the end (delta: -21.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-24 23:00:34,312 INFO L158 Benchmark]: CodeCheck took 13.25ms. Allocated memory is still 174.1MB. Free memory was 105.4MB in the beginning and 104.5MB in the end (delta: 909.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:34,322 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 0.34ms. Allocated memory is still 144.7MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.48ms. Allocated memory is still 144.7MB. Free memory was 101.3MB in the beginning and 88.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.16ms. Allocated memory is still 144.7MB. Free memory was 88.7MB in the beginning and 85.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.09ms. Allocated memory is still 144.7MB. Free memory was 85.7MB in the beginning and 83.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1187.32ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 83.6MB in the beginning and 105.4MB in the end (delta: -21.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 13.25ms. Allocated memory is still 174.1MB. Free memory was 105.4MB in the beginning and 104.5MB in the end (delta: 909.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:00:34,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/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_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/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_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/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 be394a9cdc866c1e1426a3fe296e99873bcf37ee5e7e1c9e487b239a3e0a8fbe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:37,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:37,168 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-24 23:00:37,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:37,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:37,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:37,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:37,228 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:00:37,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:00:37,235 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:00:37,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:37,236 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:00:37,236 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:00:37,238 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:00:37,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:37,239 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:00:37,240 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:00:37,240 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:00:37,241 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:00:37,242 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:00:37,242 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:37,243 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:37,244 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:37,244 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:37,245 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:37,245 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:37,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:37,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:37,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:37,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:37,249 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:00:37,249 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:37,250 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:00:37,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:37,251 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_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be394a9cdc866c1e1426a3fe296e99873bcf37ee5e7e1c9e487b239a3e0a8fbe [2023-11-24 23:00:37,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:37,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:37,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:37,704 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:37,705 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:37,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2023-11-24 23:00:40,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:41,258 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:41,259 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2023-11-24 23:00:41,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/data/4b1346ecd/139c98628a2f4f24b8e6ffb0aa81ca7f/FLAGb1ba9d504 [2023-11-24 23:00:41,289 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/data/4b1346ecd/139c98628a2f4f24b8e6ffb0aa81ca7f [2023-11-24 23:00:41,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:41,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:41,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:41,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:41,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:41,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:41" (1/1) ... [2023-11-24 23:00:41,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c360bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:41, skipping insertion in model container [2023-11-24 23:00:41,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:41" (1/1) ... [2023-11-24 23:00:41,357 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:41,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:41,639 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 23:00:41,644 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:41,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:41,678 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:41,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:41,739 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:41,740 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:41,746 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:41,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:41 WrapperNode [2023-11-24 23:00:41,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:41,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:41,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:41,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:41,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:41" (1/1) ... [2023-11-24 23:00:41,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:41" (1/1) ... [2023-11-24 23:00:41,839 INFO L138 Inliner]: procedures = 27, calls = 62, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 322 [2023-11-24 23:00:41,845 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:41,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:41,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:41,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:41,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:41" (1/1) ... [2023-11-24 23:00:41,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:41" (1/1) ... [2023-11-24 23:00:41,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:41" (1/1) ... [2023-11-24 23:00:41,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:41" (1/1) ... [2023-11-24 23:00:41,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:41" (1/1) ... [2023-11-24 23:00:41,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:41" (1/1) ... [2023-11-24 23:00:41,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:41" (1/1) ... [2023-11-24 23:00:41,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:41" (1/1) ... [2023-11-24 23:00:41,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:41,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:41,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:41,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:41,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:41" (1/1) ... [2023-11-24 23:00:41,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:41,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:41,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:42,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:00:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:00:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:00:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:00:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:00:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:00:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:00:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 23:00:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 23:00:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:00:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:00:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:00:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:00:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:00:42,038 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 23:00:42,164 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:42,166 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:43,105 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:43,370 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:43,371 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-24 23:00:43,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:43 BoogieIcfgContainer [2023-11-24 23:00:43,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:43,374 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:43,374 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:43,384 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:43,385 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:43" (1/1) ... [2023-11-24 23:00:43,386 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 23:00:43,390 INFO L158 Benchmark]: Toolchain (without parser) took 2095.32ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 51.4MB in the beginning and 68.4MB in the end (delta: -17.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-24 23:00:43,391 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 75.5MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:43,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.08ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 53.2MB in the end (delta: -2.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-11-24 23:00:43,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.17ms. Allocated memory is still 75.5MB. Free memory was 53.2MB in the beginning and 50.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:00:43,393 INFO L158 Benchmark]: Boogie Preprocessor took 102.30ms. Allocated memory is still 75.5MB. Free memory was 50.4MB in the beginning and 48.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:43,394 INFO L158 Benchmark]: RCFGBuilder took 1423.67ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 48.0MB in the beginning and 69.0MB in the end (delta: -21.0MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-11-24 23:00:43,395 INFO L158 Benchmark]: CodeCheck took 14.68ms. Allocated memory is still 98.6MB. Free memory was 69.0MB in the beginning and 68.4MB in the end (delta: 603.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:43,398 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 0.66ms. Allocated memory is still 75.5MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.08ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 53.2MB in the end (delta: -2.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.17ms. Allocated memory is still 75.5MB. Free memory was 53.2MB in the beginning and 50.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.30ms. Allocated memory is still 75.5MB. Free memory was 50.4MB in the beginning and 48.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1423.67ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 48.0MB in the beginning and 69.0MB in the end (delta: -21.0MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * CodeCheck took 14.68ms. Allocated memory is still 98.6MB. Free memory was 69.0MB in the beginning and 68.4MB in the end (delta: 603.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:00:43,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6c6e1b-aca8-4566-9d2d-4b590ab92302/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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