./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 9bd2c7ff 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_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/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_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/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_4cc7d556-1f55-4a0e-94b6-940f37b3becf/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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:03:13,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:13,532 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:03:13,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:03:13,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:03:13,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:13,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:03:13,595 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:03:13,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:13,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:13,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:13,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:03:13,606 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:13,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:03:13,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:13,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:13,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:03:13,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:13,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:03:13,611 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:13,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:03:13,612 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:13,612 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:13,613 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:13,613 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:13,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:13,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:13,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:13,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:13,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:03:13,617 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:03:13,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:03:13,618 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:03:13,618 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_4cc7d556-1f55-4a0e-94b6-940f37b3becf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2023-11-19 03:03:13,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:13,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:13,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:13,992 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:13,993 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:13,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/singleton.i [2023-11-19 03:03:17,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:17,542 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:17,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/sv-benchmarks/c/pthread/singleton.i [2023-11-19 03:03:17,570 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/data/2d0f55eb5/76c0fce75bfa4b2183ac2a48435c18a2/FLAG6c6f2182c [2023-11-19 03:03:17,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/data/2d0f55eb5/76c0fce75bfa4b2183ac2a48435c18a2 [2023-11-19 03:03:17,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:17,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:17,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:17,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:17,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:17,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:17" (1/1) ... [2023-11-19 03:03:17,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@427d5d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:17, skipping insertion in model container [2023-11-19 03:03:17,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:17" (1/1) ... [2023-11-19 03:03:17,688 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:17,955 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:03:18,410 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_4cc7d556-1f55-4a0e-94b6-940f37b3becf/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2023-11-19 03:03:18,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:18,469 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:18,501 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:03:18,530 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_4cc7d556-1f55-4a0e-94b6-940f37b3becf/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2023-11-19 03:03:18,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:18,641 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:03:18,641 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:03:18,641 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:03:18,649 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:18,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:18 WrapperNode [2023-11-19 03:03:18,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:18,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:18,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:18,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:18,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:18" (1/1) ... [2023-11-19 03:03:18,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:18" (1/1) ... [2023-11-19 03:03:18,745 INFO L138 Inliner]: procedures = 325, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2023-11-19 03:03:18,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:18,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:18,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:18,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:18,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:18" (1/1) ... [2023-11-19 03:03:18,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:18" (1/1) ... [2023-11-19 03:03:18,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:18" (1/1) ... [2023-11-19 03:03:18,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:18" (1/1) ... [2023-11-19 03:03:18,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:18" (1/1) ... [2023-11-19 03:03:18,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:18" (1/1) ... [2023-11-19 03:03:18,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:18" (1/1) ... [2023-11-19 03:03:18,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:18" (1/1) ... [2023-11-19 03:03:18,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:18,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:18,826 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:18,827 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:18,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:18" (1/1) ... [2023-11-19 03:03:18,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:18,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:18,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:18,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:03:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:03:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:03:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:03:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:03:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-19 03:03:18,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-19 03:03:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:03:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:03:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:03:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:03:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:03:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:03:18,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:03:18,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:03:18,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:18,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:03:18,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:18,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:18,922 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:03:19,087 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:19,089 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:19,327 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:19,345 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:19,345 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:03:19,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:19 BoogieIcfgContainer [2023-11-19 03:03:19,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:19,350 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:19,351 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:19,362 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:19,362 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:19" (1/1) ... [2023-11-19 03:03:19,363 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:03:19,367 INFO L158 Benchmark]: Toolchain (without parser) took 1767.65ms. Allocated memory is still 148.9MB. Free memory was 115.0MB in the beginning and 97.3MB in the end (delta: 17.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2023-11-19 03:03:19,368 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 123.7MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:19,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1049.54ms. Allocated memory is still 148.9MB. Free memory was 115.0MB in the beginning and 81.5MB in the end (delta: 33.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 03:03:19,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.17ms. Allocated memory is still 148.9MB. Free memory was 81.5MB in the beginning and 117.0MB in the end (delta: -35.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-11-19 03:03:19,370 INFO L158 Benchmark]: Boogie Preprocessor took 79.78ms. Allocated memory is still 148.9MB. Free memory was 117.0MB in the beginning and 115.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:03:19,371 INFO L158 Benchmark]: RCFGBuilder took 523.34ms. Allocated memory is still 148.9MB. Free memory was 115.1MB in the beginning and 98.5MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:03:19,372 INFO L158 Benchmark]: CodeCheck took 15.35ms. Allocated memory is still 148.9MB. Free memory was 98.5MB in the beginning and 97.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:03:19,376 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 0.38ms. Allocated memory is still 123.7MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1049.54ms. Allocated memory is still 148.9MB. Free memory was 115.0MB in the beginning and 81.5MB in the end (delta: 33.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.17ms. Allocated memory is still 148.9MB. Free memory was 81.5MB in the beginning and 117.0MB in the end (delta: -35.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.78ms. Allocated memory is still 148.9MB. Free memory was 117.0MB in the beginning and 115.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.34ms. Allocated memory is still 148.9MB. Free memory was 115.1MB in the beginning and 98.5MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 15.35ms. Allocated memory is still 148.9MB. Free memory was 98.5MB in the beginning and 97.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:03:19,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/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_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/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_4cc7d556-1f55-4a0e-94b6-940f37b3becf/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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:03:22,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:22,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:03:22,304 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:22,305 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:03:22,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:03:22,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:22,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:22,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:22,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:03:22,315 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:22,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:22,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:22,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:03:22,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:22,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:03:22,319 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:03:22,320 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:03:22,320 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:03:22,321 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:22,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:03:22,322 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:22,323 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:22,323 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:22,324 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:22,324 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:22,324 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:03:22,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:22,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:22,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:22,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:22,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:03:22,327 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:03:22,328 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:22,328 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:03:22,328 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:03:22,329 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:03:22,329 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_4cc7d556-1f55-4a0e-94b6-940f37b3becf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2023-11-19 03:03:22,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:22,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:22,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:22,818 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:22,819 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:22,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/singleton.i [2023-11-19 03:03:25,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:26,288 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:26,289 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/sv-benchmarks/c/pthread/singleton.i [2023-11-19 03:03:26,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/data/5ff969aed/ee39378bd755443eb988f24721e544dd/FLAGb6b21af11 [2023-11-19 03:03:26,342 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/data/5ff969aed/ee39378bd755443eb988f24721e544dd [2023-11-19 03:03:26,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:26,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:26,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:26,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:26,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:26,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:26" (1/1) ... [2023-11-19 03:03:26,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183f4123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:26, skipping insertion in model container [2023-11-19 03:03:26,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:26" (1/1) ... [2023-11-19 03:03:26,432 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:26,756 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:03:27,105 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_4cc7d556-1f55-4a0e-94b6-940f37b3becf/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2023-11-19 03:03:27,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:27,162 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:27,198 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:03:27,251 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_4cc7d556-1f55-4a0e-94b6-940f37b3becf/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2023-11-19 03:03:27,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:27,378 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:03:27,379 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:03:27,379 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:03:27,386 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:27,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:27 WrapperNode [2023-11-19 03:03:27,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:27,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:27,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:27,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:27,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:27" (1/1) ... [2023-11-19 03:03:27,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:27" (1/1) ... [2023-11-19 03:03:27,447 INFO L138 Inliner]: procedures = 328, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2023-11-19 03:03:27,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:27,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:27,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:27,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:27,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:27" (1/1) ... [2023-11-19 03:03:27,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:27" (1/1) ... [2023-11-19 03:03:27,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:27" (1/1) ... [2023-11-19 03:03:27,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:27" (1/1) ... [2023-11-19 03:03:27,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:27" (1/1) ... [2023-11-19 03:03:27,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:27" (1/1) ... [2023-11-19 03:03:27,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:27" (1/1) ... [2023-11-19 03:03:27,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:27" (1/1) ... [2023-11-19 03:03:27,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:27,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:27,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:27,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:27,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:27" (1/1) ... [2023-11-19 03:03:27,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:27,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:27,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:27,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 03:03:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:03:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:03:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:03:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 03:03:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:03:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:03:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:03:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:03:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-19 03:03:27,591 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-19 03:03:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:03:27,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:03:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:03:27,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:03:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:03:27,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:03:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:03:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:27,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:27,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:27,596 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:03:27,833 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:27,835 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:28,132 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:28,155 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:28,158 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:03:28,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:28 BoogieIcfgContainer [2023-11-19 03:03:28,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:28,167 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:28,167 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:28,179 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:28,179 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:28" (1/1) ... [2023-11-19 03:03:28,180 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:03:28,187 INFO L158 Benchmark]: Toolchain (without parser) took 1836.95ms. Allocated memory is still 111.1MB. Free memory was 84.2MB in the beginning and 54.9MB in the end (delta: 29.4MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2023-11-19 03:03:28,188 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 51.3MB in the end (delta: 64.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:28,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1032.29ms. Allocated memory is still 111.1MB. Free memory was 84.2MB in the beginning and 78.6MB in the end (delta: 5.6MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2023-11-19 03:03:28,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.26ms. Allocated memory is still 111.1MB. Free memory was 78.1MB in the beginning and 76.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:03:28,191 INFO L158 Benchmark]: Boogie Preprocessor took 45.33ms. Allocated memory is still 111.1MB. Free memory was 76.0MB in the beginning and 73.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:03:28,191 INFO L158 Benchmark]: RCFGBuilder took 670.59ms. Allocated memory is still 111.1MB. Free memory was 73.9MB in the beginning and 56.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:03:28,192 INFO L158 Benchmark]: CodeCheck took 18.03ms. Allocated memory is still 111.1MB. Free memory was 56.1MB in the beginning and 54.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:03:28,204 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 0.35ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 51.3MB in the end (delta: 64.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1032.29ms. Allocated memory is still 111.1MB. Free memory was 84.2MB in the beginning and 78.6MB in the end (delta: 5.6MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.26ms. Allocated memory is still 111.1MB. Free memory was 78.1MB in the beginning and 76.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.33ms. Allocated memory is still 111.1MB. Free memory was 76.0MB in the beginning and 73.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 670.59ms. Allocated memory is still 111.1MB. Free memory was 73.9MB in the beginning and 56.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 18.03ms. Allocated memory is still 111.1MB. Free memory was 56.1MB in the beginning and 54.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:03:28,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc7d556-1f55-4a0e-94b6-940f37b3becf/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