./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/singleton.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9 --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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:58:28,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:58:28,942 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 20:58:28,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:58:28,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 20:58:28,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:58:28,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:58:28,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:58:28,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:58:28,971 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:58:28,972 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:58:28,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:58:28,973 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:58:28,973 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:58:28,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:58:28,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:58:28,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:58:28,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:58:28,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:58:28,976 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:58:28,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:58:28,978 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:58:28,978 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:58:28,979 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:58:28,979 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:58:28,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:58:28,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:58:28,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:58:28,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:58:28,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:58:28,982 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 20:58:28,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:58:28,982 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:58:28,982 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_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2023-12-02 20:58:29,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:58:29,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:58:29,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:58:29,226 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:58:29,226 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:58:29,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread/singleton.i [2023-12-02 20:58:31,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:58:32,184 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:58:32,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/sv-benchmarks/c/pthread/singleton.i [2023-12-02 20:58:32,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/data/25816ec8f/e0a4b91b7f6745548b550035ae77e7f9/FLAGb0defb0a4 [2023-12-02 20:58:32,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/data/25816ec8f/e0a4b91b7f6745548b550035ae77e7f9 [2023-12-02 20:58:32,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:58:32,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:58:32,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:58:32,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:58:32,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:58:32,229 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:58:32" (1/1) ... [2023-12-02 20:58:32,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5086e4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:32, skipping insertion in model container [2023-12-02 20:58:32,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:58:32" (1/1) ... [2023-12-02 20:58:32,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:58:32,659 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_6ffb93e1-32a4-43bc-9355-3c7bd554f412/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2023-12-02 20:58:32,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:58:32,686 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:58:32,727 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_6ffb93e1-32a4-43bc-9355-3c7bd554f412/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2023-12-02 20:58:32,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:58:32,815 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:58:32,815 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:58:32,822 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:58:32,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:32 WrapperNode [2023-12-02 20:58:32,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:58:32,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:58:32,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:58:32,824 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:58:32,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:32" (1/1) ... [2023-12-02 20:58:32,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:32" (1/1) ... [2023-12-02 20:58:32,868 INFO L138 Inliner]: procedures = 324, calls = 51, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2023-12-02 20:58:32,869 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:58:32,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:58:32,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:58:32,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:58:32,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:32" (1/1) ... [2023-12-02 20:58:32,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:32" (1/1) ... [2023-12-02 20:58:32,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:32" (1/1) ... [2023-12-02 20:58:32,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:32" (1/1) ... [2023-12-02 20:58:32,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:32" (1/1) ... [2023-12-02 20:58:32,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:32" (1/1) ... [2023-12-02 20:58:32,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:32" (1/1) ... [2023-12-02 20:58:32,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:32" (1/1) ... [2023-12-02 20:58:32,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:58:32,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:58:32,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:58:32,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:58:32,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:32" (1/1) ... [2023-12-02 20:58:32,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:58:32,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:58:32,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:58:32,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:58:32,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 20:58:32,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:58:32,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:58:32,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 20:58:32,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:58:32,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-12-02 20:58:32,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-12-02 20:58:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 20:58:32,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 20:58:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 20:58:32,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 20:58:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 20:58:32,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 20:58:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:58:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 20:58:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:58:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:58:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:58:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:58:32,956 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 20:58:33,081 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:58:33,084 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:58:33,253 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:58:33,268 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:58:33,268 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 20:58:33,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:58:33 BoogieIcfgContainer [2023-12-02 20:58:33,270 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:58:33,270 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:58:33,271 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:58:33,278 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:58:33,278 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:58:33" (1/1) ... [2023-12-02 20:58:33,278 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 20:58:33,282 INFO L158 Benchmark]: Toolchain (without parser) took 1059.43ms. Allocated memory is still 153.1MB. Free memory was 114.6MB in the beginning and 100.9MB in the end (delta: 13.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-12-02 20:58:33,283 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 107.0MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:58:33,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 599.67ms. Allocated memory is still 153.1MB. Free memory was 114.6MB in the beginning and 122.1MB in the end (delta: -7.5MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2023-12-02 20:58:33,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.23ms. Allocated memory is still 153.1MB. Free memory was 122.1MB in the beginning and 120.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:58:33,285 INFO L158 Benchmark]: Boogie Preprocessor took 32.15ms. Allocated memory is still 153.1MB. Free memory was 120.2MB in the beginning and 118.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:58:33,285 INFO L158 Benchmark]: RCFGBuilder took 367.56ms. Allocated memory is still 153.1MB. Free memory was 118.1MB in the beginning and 102.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 20:58:33,286 INFO L158 Benchmark]: CodeCheck took 10.14ms. Allocated memory is still 153.1MB. Free memory was 102.1MB in the beginning and 100.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:58:33,289 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 107.0MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 599.67ms. Allocated memory is still 153.1MB. Free memory was 114.6MB in the beginning and 122.1MB in the end (delta: -7.5MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.23ms. Allocated memory is still 153.1MB. Free memory was 122.1MB in the beginning and 120.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.15ms. Allocated memory is still 153.1MB. Free memory was 120.2MB in the beginning and 118.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 367.56ms. Allocated memory is still 153.1MB. Free memory was 118.1MB in the beginning and 102.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10.14ms. Allocated memory is still 153.1MB. Free memory was 102.1MB in the beginning and 100.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 20:58:33,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9 --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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:58:35,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:58:35,286 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 20:58:35,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:58:35,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:58:35,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:58:35,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:58:35,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:58:35,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:58:35,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:58:35,321 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:58:35,322 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:58:35,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:58:35,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:58:35,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:58:35,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:58:35,324 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 20:58:35,325 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 20:58:35,325 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 20:58:35,325 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:58:35,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:58:35,326 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:58:35,327 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:58:35,327 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:58:35,328 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:58:35,328 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:58:35,329 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 20:58:35,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:58:35,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:58:35,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:58:35,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:58:35,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:58:35,331 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 20:58:35,331 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:58:35,331 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:58:35,332 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 20:58:35,332 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:58:35,332 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_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2023-12-02 20:58:35,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:58:35,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:58:35,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:58:35,627 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:58:35,627 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:58:35,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread/singleton.i [2023-12-02 20:58:38,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:58:38,653 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:58:38,653 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/sv-benchmarks/c/pthread/singleton.i [2023-12-02 20:58:38,673 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/data/e8ddbf38a/59ca51e570d04ee79bc9346d5247a84a/FLAG3c7e0291b [2023-12-02 20:58:38,687 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/data/e8ddbf38a/59ca51e570d04ee79bc9346d5247a84a [2023-12-02 20:58:38,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:58:38,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:58:38,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:58:38,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:58:38,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:58:38,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:58:38" (1/1) ... [2023-12-02 20:58:38,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df655c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:38, skipping insertion in model container [2023-12-02 20:58:38,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:58:38" (1/1) ... [2023-12-02 20:58:38,759 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:58:39,266 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_6ffb93e1-32a4-43bc-9355-3c7bd554f412/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2023-12-02 20:58:39,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:58:39,300 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:58:39,339 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_6ffb93e1-32a4-43bc-9355-3c7bd554f412/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2023-12-02 20:58:39,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:58:39,467 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:58:39,467 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:58:39,475 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:58:39,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:39 WrapperNode [2023-12-02 20:58:39,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:58:39,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:58:39,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:58:39,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:58:39,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:39" (1/1) ... [2023-12-02 20:58:39,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:39" (1/1) ... [2023-12-02 20:58:39,526 INFO L138 Inliner]: procedures = 327, calls = 51, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2023-12-02 20:58:39,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:58:39,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:58:39,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:58:39,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:58:39,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:39" (1/1) ... [2023-12-02 20:58:39,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:39" (1/1) ... [2023-12-02 20:58:39,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:39" (1/1) ... [2023-12-02 20:58:39,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:39" (1/1) ... [2023-12-02 20:58:39,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:39" (1/1) ... [2023-12-02 20:58:39,554 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:39" (1/1) ... [2023-12-02 20:58:39,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:39" (1/1) ... [2023-12-02 20:58:39,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:39" (1/1) ... [2023-12-02 20:58:39,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:58:39,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:58:39,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:58:39,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:58:39,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:39" (1/1) ... [2023-12-02 20:58:39,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:58:39,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:58:39,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:58:39,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:58:39,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 20:58:39,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 20:58:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 20:58:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:58:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 20:58:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:58:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 20:58:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 20:58:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 20:58:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-12-02 20:58:39,632 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-12-02 20:58:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 20:58:39,632 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 20:58:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 20:58:39,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 20:58:39,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 20:58:39,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 20:58:39,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 20:58:39,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:58:39,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:58:39,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:58:39,635 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 20:58:39,787 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:58:39,790 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:58:39,999 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:58:40,016 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:58:40,016 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 20:58:40,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:58:40 BoogieIcfgContainer [2023-12-02 20:58:40,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:58:40,019 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:58:40,019 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:58:40,027 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:58:40,027 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:58:40" (1/1) ... [2023-12-02 20:58:40,028 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 20:58:40,032 INFO L158 Benchmark]: Toolchain (without parser) took 1339.72ms. Allocated memory is still 113.2MB. Free memory was 88.4MB in the beginning and 55.3MB in the end (delta: 33.0MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-12-02 20:58:40,032 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:58:40,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 783.41ms. Allocated memory is still 113.2MB. Free memory was 88.1MB in the beginning and 79.4MB in the end (delta: 8.7MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2023-12-02 20:58:40,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.19ms. Allocated memory is still 113.2MB. Free memory was 79.4MB in the beginning and 76.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:58:40,034 INFO L158 Benchmark]: Boogie Preprocessor took 37.67ms. Allocated memory is still 113.2MB. Free memory was 76.8MB in the beginning and 74.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:58:40,034 INFO L158 Benchmark]: RCFGBuilder took 452.77ms. Allocated memory is still 113.2MB. Free memory was 74.7MB in the beginning and 56.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 20:58:40,035 INFO L158 Benchmark]: CodeCheck took 11.49ms. Allocated memory is still 113.2MB. Free memory was 56.3MB in the beginning and 55.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:58:40,038 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 0.17ms. Allocated memory is still 67.1MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 783.41ms. Allocated memory is still 113.2MB. Free memory was 88.1MB in the beginning and 79.4MB in the end (delta: 8.7MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.19ms. Allocated memory is still 113.2MB. Free memory was 79.4MB in the beginning and 76.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.67ms. Allocated memory is still 113.2MB. Free memory was 76.8MB in the beginning and 74.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 452.77ms. Allocated memory is still 113.2MB. Free memory was 74.7MB in the beginning and 56.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 11.49ms. Allocated memory is still 113.2MB. Free memory was 56.3MB in the beginning and 55.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 20:58:40,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffb93e1-32a4-43bc-9355-3c7bd554f412/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported