./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/queue_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:43:09,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:43:10,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:43:10,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:43:10,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:43:10,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:43:10,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:43:10,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:43:10,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:43:10,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:43:10,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:43:10,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:43:10,057 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:43:10,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:43:10,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:43:10,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:43:10,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:43:10,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:43:10,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:43:10,061 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:43:10,062 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:43:10,063 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:43:10,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:43:10,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:43:10,064 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:43:10,065 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:43:10,066 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:43:10,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:43:10,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:10,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:43:10,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:43:10,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:43:10,069 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:43:10,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:43:10,069 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:43:10,070 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_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 [2023-11-19 03:43:10,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:43:10,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:43:10,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:43:10,341 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:43:10,341 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:43:10,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/queue_ok.i [2023-11-19 03:43:13,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:43:13,712 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:43:13,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/sv-benchmarks/c/pthread/queue_ok.i [2023-11-19 03:43:13,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/data/ff0ef03e2/ffb4bec2a83941a98a643901f213d062/FLAG0acecebf9 [2023-11-19 03:43:13,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/data/ff0ef03e2/ffb4bec2a83941a98a643901f213d062 [2023-11-19 03:43:13,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:43:13,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:43:13,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:13,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:43:13,773 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:43:13,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:13" (1/1) ... [2023-11-19 03:43:13,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56fe91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:13, skipping insertion in model container [2023-11-19 03:43:13,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:13" (1/1) ... [2023-11-19 03:43:13,859 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:43:14,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:14,399 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:43:14,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:14,576 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:43:14,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:14 WrapperNode [2023-11-19 03:43:14,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:14,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:14,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:43:14,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:43:14,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:14" (1/1) ... [2023-11-19 03:43:14,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:14" (1/1) ... [2023-11-19 03:43:14,677 INFO L138 Inliner]: procedures = 274, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 188 [2023-11-19 03:43:14,678 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:14,678 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:43:14,678 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:43:14,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:43:14,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:14" (1/1) ... [2023-11-19 03:43:14,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:14" (1/1) ... [2023-11-19 03:43:14,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:14" (1/1) ... [2023-11-19 03:43:14,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:14" (1/1) ... [2023-11-19 03:43:14,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:14" (1/1) ... [2023-11-19 03:43:14,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:14" (1/1) ... [2023-11-19 03:43:14,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:14" (1/1) ... [2023-11-19 03:43:14,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:14" (1/1) ... [2023-11-19 03:43:14,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:43:14,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:43:14,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:43:14,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:43:14,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:14" (1/1) ... [2023-11-19 03:43:14,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:14,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:43:14,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:43:14,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:43:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 03:43:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 03:43:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 03:43:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 03:43:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 03:43:14,830 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 03:43:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:43:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-19 03:43:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-19 03:43:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:43:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:43:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:43:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 03:43:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:43:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:43:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:43:14,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:43:14,835 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:43:15,045 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:43:15,048 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:43:15,405 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:43:15,417 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:43:15,418 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:43:15,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:15 BoogieIcfgContainer [2023-11-19 03:43:15,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:43:15,424 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:43:15,424 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:43:15,435 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:43:15,435 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:15" (1/1) ... [2023-11-19 03:43:15,436 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:43:15,445 INFO L158 Benchmark]: Toolchain (without parser) took 1680.85ms. Allocated memory is still 140.5MB. Free memory was 101.1MB in the beginning and 100.1MB in the end (delta: 988.6kB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2023-11-19 03:43:15,446 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 140.5MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:43:15,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 812.68ms. Allocated memory is still 140.5MB. Free memory was 100.6MB in the beginning and 70.9MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:43:15,447 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.87ms. Allocated memory is still 140.5MB. Free memory was 70.9MB in the beginning and 68.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:43:15,448 INFO L158 Benchmark]: Boogie Preprocessor took 70.50ms. Allocated memory is still 140.5MB. Free memory was 68.1MB in the beginning and 66.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:43:15,449 INFO L158 Benchmark]: RCFGBuilder took 673.84ms. Allocated memory is still 140.5MB. Free memory was 66.0MB in the beginning and 100.6MB in the end (delta: -34.6MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2023-11-19 03:43:15,451 INFO L158 Benchmark]: CodeCheck took 19.04ms. Allocated memory is still 140.5MB. Free memory was 100.6MB in the beginning and 100.1MB in the end (delta: 481.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:43:15,461 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 0.25ms. Allocated memory is still 140.5MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 812.68ms. Allocated memory is still 140.5MB. Free memory was 100.6MB in the beginning and 70.9MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.87ms. Allocated memory is still 140.5MB. Free memory was 70.9MB in the beginning and 68.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.50ms. Allocated memory is still 140.5MB. Free memory was 68.1MB in the beginning and 66.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 673.84ms. Allocated memory is still 140.5MB. Free memory was 66.0MB in the beginning and 100.6MB in the end (delta: -34.6MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * CodeCheck took 19.04ms. Allocated memory is still 140.5MB. Free memory was 100.6MB in the beginning and 100.1MB in the end (delta: 481.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:43:15,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:43:17,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:43:18,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:43:18,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:43:18,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:43:18,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:43:18,152 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:43:18,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:43:18,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:43:18,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:43:18,159 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:43:18,160 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:43:18,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:43:18,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:43:18,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:43:18,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:43:18,163 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:43:18,163 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:43:18,164 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:43:18,165 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:43:18,165 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:43:18,166 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:43:18,166 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:43:18,167 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:43:18,167 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:43:18,168 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:43:18,168 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:43:18,169 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:43:18,169 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:43:18,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:43:18,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:18,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:43:18,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:43:18,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:43:18,172 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:43:18,172 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:43:18,173 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:43:18,173 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:43:18,173 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:43:18,174 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_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 [2023-11-19 03:43:18,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:43:18,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:43:18,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:43:18,577 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:43:18,577 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:43:18,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/queue_ok.i [2023-11-19 03:43:21,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:43:22,031 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:43:22,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/sv-benchmarks/c/pthread/queue_ok.i [2023-11-19 03:43:22,058 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/data/1b16669c0/544abe9bf6084be19e7616c7c827a991/FLAG94be1960c [2023-11-19 03:43:22,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/data/1b16669c0/544abe9bf6084be19e7616c7c827a991 [2023-11-19 03:43:22,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:43:22,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:43:22,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:22,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:43:22,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:43:22,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:22" (1/1) ... [2023-11-19 03:43:22,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e201722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:22, skipping insertion in model container [2023-11-19 03:43:22,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:22" (1/1) ... [2023-11-19 03:43:22,172 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:43:22,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:22,793 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:43:22,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:22,974 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:43:22,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:22 WrapperNode [2023-11-19 03:43:22,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:22,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:22,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:43:22,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:43:22,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:22" (1/1) ... [2023-11-19 03:43:23,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:22" (1/1) ... [2023-11-19 03:43:23,039 INFO L138 Inliner]: procedures = 278, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 184 [2023-11-19 03:43:23,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:23,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:43:23,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:43:23,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:43:23,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:22" (1/1) ... [2023-11-19 03:43:23,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:22" (1/1) ... [2023-11-19 03:43:23,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:22" (1/1) ... [2023-11-19 03:43:23,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:22" (1/1) ... [2023-11-19 03:43:23,071 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:22" (1/1) ... [2023-11-19 03:43:23,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:22" (1/1) ... [2023-11-19 03:43:23,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:22" (1/1) ... [2023-11-19 03:43:23,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:22" (1/1) ... [2023-11-19 03:43:23,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:43:23,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:43:23,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:43:23,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:43:23,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:22" (1/1) ... [2023-11-19 03:43:23,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:23,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:43:23,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:43:23,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:43:23,171 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 03:43:23,172 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 03:43:23,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:43:23,173 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 03:43:23,173 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 03:43:23,173 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 03:43:23,173 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 03:43:23,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:43:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-19 03:43:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-19 03:43:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:43:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:43:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:43:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:43:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 03:43:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:43:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:43:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:43:23,176 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:43:23,346 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:43:23,348 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:43:23,865 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:43:23,887 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:43:23,887 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:43:23,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:23 BoogieIcfgContainer [2023-11-19 03:43:23,896 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:43:23,897 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:43:23,898 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:43:23,909 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:43:23,909 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:23" (1/1) ... [2023-11-19 03:43:23,910 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:43:23,917 INFO L158 Benchmark]: Toolchain (without parser) took 1827.43ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 59.3MB in the beginning and 83.6MB in the end (delta: -24.3MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2023-11-19 03:43:23,918 INFO L158 Benchmark]: CDTParser took 1.15ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 60.6MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:43:23,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 881.15ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 53.9MB in the end (delta: 5.1MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2023-11-19 03:43:23,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.92ms. Allocated memory is still 83.9MB. Free memory was 53.9MB in the beginning and 51.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:43:23,920 INFO L158 Benchmark]: Boogie Preprocessor took 47.18ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 48.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:43:23,921 INFO L158 Benchmark]: RCFGBuilder took 808.38ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 48.4MB in the beginning and 85.1MB in the end (delta: -36.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-11-19 03:43:23,922 INFO L158 Benchmark]: CodeCheck took 17.92ms. Allocated memory is still 113.2MB. Free memory was 85.1MB in the beginning and 83.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:43:23,926 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 1.15ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 60.6MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 881.15ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 53.9MB in the end (delta: 5.1MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.92ms. Allocated memory is still 83.9MB. Free memory was 53.9MB in the beginning and 51.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.18ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 48.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 808.38ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 48.4MB in the beginning and 85.1MB in the end (delta: -36.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * CodeCheck took 17.92ms. Allocated memory is still 113.2MB. Free memory was 85.1MB in the beginning and 83.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:43:23,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ffba08-7501-492e-9aa4-016341efcbcc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported