./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/queue.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/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_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:24,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:25,082 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:07:25,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:25,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:25,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:25,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:25,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:25,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:25,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:25,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:25,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:25,159 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:25,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:25,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:25,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:25,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:25,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:25,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:25,164 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:25,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:25,165 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:25,165 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:25,167 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:25,168 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:25,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:25,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:25,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:25,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:25,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:25,172 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:25,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:25,173 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:25,173 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_db92d489-6531-4aaf-8ab1-3dcdcb30a835/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 [2023-11-19 04:07:25,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:25,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:25,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:25,537 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:25,538 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:25,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/queue.i [2023-11-19 04:07:29,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:29,914 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:29,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/sv-benchmarks/c/pthread/queue.i [2023-11-19 04:07:29,944 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/data/22715cb68/92131ac2f6f14af7999dc840e284a043/FLAG2e6823dc8 [2023-11-19 04:07:29,969 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/data/22715cb68/92131ac2f6f14af7999dc840e284a043 [2023-11-19 04:07:29,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:29,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:29,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:29,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:29,992 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:29,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:29" (1/1) ... [2023-11-19 04:07:29,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5334abd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:29, skipping insertion in model container [2023-11-19 04:07:29,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:29" (1/1) ... [2023-11-19 04:07:30,093 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:30,816 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/sv-benchmarks/c/pthread/queue.i[43284,43297] [2023-11-19 04:07:30,826 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/sv-benchmarks/c/pthread/queue.i[43491,43504] [2023-11-19 04:07:30,830 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/sv-benchmarks/c/pthread/queue.i[43772,43785] [2023-11-19 04:07:30,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:30,851 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:30,909 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/sv-benchmarks/c/pthread/queue.i[43284,43297] [2023-11-19 04:07:30,912 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/sv-benchmarks/c/pthread/queue.i[43491,43504] [2023-11-19 04:07:30,915 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/sv-benchmarks/c/pthread/queue.i[43772,43785] [2023-11-19 04:07:30,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:31,022 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:31,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:31 WrapperNode [2023-11-19 04:07:31,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:31,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:31,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:31,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:31,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:31" (1/1) ... [2023-11-19 04:07:31,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:31" (1/1) ... [2023-11-19 04:07:31,141 INFO L138 Inliner]: procedures = 274, calls = 68, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 131 [2023-11-19 04:07:31,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:31,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:31,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:31,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:31,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:31" (1/1) ... [2023-11-19 04:07:31,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:31" (1/1) ... [2023-11-19 04:07:31,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:31" (1/1) ... [2023-11-19 04:07:31,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:31" (1/1) ... [2023-11-19 04:07:31,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:31" (1/1) ... [2023-11-19 04:07:31,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:31" (1/1) ... [2023-11-19 04:07:31,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:31" (1/1) ... [2023-11-19 04:07:31,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:31" (1/1) ... [2023-11-19 04:07:31,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:31,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:31,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:31,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:31,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:31" (1/1) ... [2023-11-19 04:07:31,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:31,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:31,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:31,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 04:07:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 04:07:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 04:07:31,324 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 04:07:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:07:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-19 04:07:31,324 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-19 04:07:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:07:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-19 04:07:31,325 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-19 04:07:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:07:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:07:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 04:07:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:07:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:31,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:31,329 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 04:07:31,526 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:31,529 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:31,898 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:31,914 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:31,914 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:07:31,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:31 BoogieIcfgContainer [2023-11-19 04:07:31,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:31,922 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:31,922 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:31,935 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:31,935 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:31" (1/1) ... [2023-11-19 04:07:31,936 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 04:07:31,942 INFO L158 Benchmark]: Toolchain (without parser) took 1961.09ms. Allocated memory is still 159.4MB. Free memory was 110.9MB in the beginning and 107.8MB in the end (delta: 3.2MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2023-11-19 04:07:31,942 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:31,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1039.34ms. Allocated memory is still 159.4MB. Free memory was 110.9MB in the beginning and 80.5MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 04:07:31,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.86ms. Allocated memory is still 159.4MB. Free memory was 80.5MB in the beginning and 77.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:07:31,945 INFO L158 Benchmark]: Boogie Preprocessor took 50.22ms. Allocated memory is still 159.4MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:31,946 INFO L158 Benchmark]: RCFGBuilder took 727.40ms. Allocated memory is still 159.4MB. Free memory was 75.3MB in the beginning and 108.1MB in the end (delta: -32.9MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-11-19 04:07:31,947 INFO L158 Benchmark]: CodeCheck took 17.49ms. Allocated memory is still 159.4MB. Free memory was 108.1MB in the beginning and 107.8MB in the end (delta: 367.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:31,952 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 0.41ms. Allocated memory is still 117.4MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1039.34ms. Allocated memory is still 159.4MB. Free memory was 110.9MB in the beginning and 80.5MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.86ms. Allocated memory is still 159.4MB. Free memory was 80.5MB in the beginning and 77.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.22ms. Allocated memory is still 159.4MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 727.40ms. Allocated memory is still 159.4MB. Free memory was 75.3MB in the beginning and 108.1MB in the end (delta: -32.9MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * CodeCheck took 17.49ms. Allocated memory is still 159.4MB. Free memory was 108.1MB in the beginning and 107.8MB in the end (delta: 367.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:07:31,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/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 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_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/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_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:35,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:35,335 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:07:35,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:35,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:35,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:35,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:35,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:35,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:35,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:35,396 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:35,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:35,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:35,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:35,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:35,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:35,400 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:07:35,400 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:07:35,400 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:07:35,401 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:35,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:35,402 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:35,402 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:35,403 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:35,403 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:35,403 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:35,404 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:07:35,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:35,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:35,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:35,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:35,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:35,407 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:07:35,408 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:35,408 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:35,408 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:07:35,408 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:07:35,409 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_db92d489-6531-4aaf-8ab1-3dcdcb30a835/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 [2023-11-19 04:07:35,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:35,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:35,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:35,859 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:35,860 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:35,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/queue.i [2023-11-19 04:07:39,213 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:39,557 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:39,557 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/sv-benchmarks/c/pthread/queue.i [2023-11-19 04:07:39,586 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/data/a60d5a7e1/4734e0ef018d468e82b7d3ea94d712fd/FLAG847e1725f [2023-11-19 04:07:39,605 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/data/a60d5a7e1/4734e0ef018d468e82b7d3ea94d712fd [2023-11-19 04:07:39,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:39,608 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:39,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:39,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:39,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:39,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:39" (1/1) ... [2023-11-19 04:07:39,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aca6f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:39, skipping insertion in model container [2023-11-19 04:07:39,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:39" (1/1) ... [2023-11-19 04:07:39,687 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:40,391 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/sv-benchmarks/c/pthread/queue.i[43284,43297] [2023-11-19 04:07:40,401 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/sv-benchmarks/c/pthread/queue.i[43491,43504] [2023-11-19 04:07:40,407 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/sv-benchmarks/c/pthread/queue.i[43772,43785] [2023-11-19 04:07:40,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:40,446 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:40,534 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/sv-benchmarks/c/pthread/queue.i[43284,43297] [2023-11-19 04:07:40,537 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/sv-benchmarks/c/pthread/queue.i[43491,43504] [2023-11-19 04:07:40,544 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/sv-benchmarks/c/pthread/queue.i[43772,43785] [2023-11-19 04:07:40,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:40,670 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:40,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:40 WrapperNode [2023-11-19 04:07:40,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:40,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:40,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:40,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:40,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:40" (1/1) ... [2023-11-19 04:07:40,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:40" (1/1) ... [2023-11-19 04:07:40,774 INFO L138 Inliner]: procedures = 278, calls = 68, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 130 [2023-11-19 04:07:40,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:40,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:40,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:40,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:40,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:40" (1/1) ... [2023-11-19 04:07:40,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:40" (1/1) ... [2023-11-19 04:07:40,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:40" (1/1) ... [2023-11-19 04:07:40,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:40" (1/1) ... [2023-11-19 04:07:40,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:40" (1/1) ... [2023-11-19 04:07:40,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:40" (1/1) ... [2023-11-19 04:07:40,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:40" (1/1) ... [2023-11-19 04:07:40,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:40" (1/1) ... [2023-11-19 04:07:40,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:40,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:40,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:40,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:40,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:40" (1/1) ... [2023-11-19 04:07:40,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:40,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:40,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:40,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:07:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 04:07:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 04:07:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 04:07:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 04:07:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:07:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-19 04:07:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-19 04:07:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:07:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:07:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:07:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:07:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-19 04:07:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-19 04:07:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 04:07:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:40,982 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 04:07:41,206 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:41,209 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:41,704 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:41,717 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:41,717 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:07:41,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:41 BoogieIcfgContainer [2023-11-19 04:07:41,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:41,724 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:41,724 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:41,735 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:41,735 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:41" (1/1) ... [2023-11-19 04:07:41,736 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 04:07:41,740 INFO L158 Benchmark]: Toolchain (without parser) took 2130.83ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 43.4MB in the beginning and 38.3MB in the end (delta: 5.1MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2023-11-19 04:07:41,741 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 69.2MB. Free memory was 44.7MB in the beginning and 44.7MB in the end (delta: 51.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:41,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1061.35ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 43.2MB in the beginning and 42.1MB in the end (delta: 1.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-19 04:07:41,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.98ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 39.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:07:41,743 INFO L158 Benchmark]: Boogie Preprocessor took 95.98ms. Allocated memory is still 83.9MB. Free memory was 39.2MB in the beginning and 36.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:41,744 INFO L158 Benchmark]: RCFGBuilder took 849.87ms. Allocated memory is still 83.9MB. Free memory was 36.8MB in the beginning and 39.4MB in the end (delta: -2.6MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-11-19 04:07:41,745 INFO L158 Benchmark]: CodeCheck took 14.64ms. Allocated memory is still 83.9MB. Free memory was 38.9MB in the beginning and 38.4MB in the end (delta: 500.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:41,748 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 69.2MB. Free memory was 44.7MB in the beginning and 44.7MB in the end (delta: 51.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1061.35ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 43.2MB in the beginning and 42.1MB in the end (delta: 1.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.98ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 39.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.98ms. Allocated memory is still 83.9MB. Free memory was 39.2MB in the beginning and 36.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 849.87ms. Allocated memory is still 83.9MB. Free memory was 36.8MB in the beginning and 39.4MB in the end (delta: -2.6MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * CodeCheck took 14.64ms. Allocated memory is still 83.9MB. Free memory was 38.9MB in the beginning and 38.4MB in the end (delta: 500.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:07:41,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db92d489-6531-4aaf-8ab1-3dcdcb30a835/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