./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:15:24,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:15:24,590 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:15:24,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:15:24,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:15:24,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:15:24,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:15:24,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:15:24,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:15:24,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:15:24,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:15:24,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:15:24,648 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:15:24,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:15:24,650 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:15:24,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:15:24,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:15:24,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:15:24,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:15:24,652 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:15:24,652 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:15:24,653 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:15:24,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:15:24,654 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:15:24,654 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:15:24,655 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:15:24,655 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:15:24,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:15:24,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:24,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:15:24,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:15:24,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:15:24,658 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:15:24,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:15:24,659 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:15:24,659 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_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 [2023-11-23 20:15:24,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:15:25,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:15:25,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:15:25,016 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:15:25,017 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:15:25,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-23 20:15:28,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:15:28,379 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:15:28,380 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-23 20:15:28,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/data/bf95fff00/9476d5ee520b47a3b8faecf71ab19672/FLAGd49df9b09 [2023-11-23 20:15:28,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/data/bf95fff00/9476d5ee520b47a3b8faecf71ab19672 [2023-11-23 20:15:28,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:15:28,421 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:15:28,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:28,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:15:28,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:15:28,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:28" (1/1) ... [2023-11-23 20:15:28,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68af606d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:28, skipping insertion in model container [2023-11-23 20:15:28,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:28" (1/1) ... [2023-11-23 20:15:28,508 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:15:28,772 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:15:29,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:29,270 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:15:29,310 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:15:29,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:29,442 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:15:29,442 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:15:29,442 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:15:29,451 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:15:29,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:29 WrapperNode [2023-11-23 20:15:29,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:29,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:29,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:15:29,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:15:29,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:29" (1/1) ... [2023-11-23 20:15:29,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:29" (1/1) ... [2023-11-23 20:15:29,540 INFO L138 Inliner]: procedures = 325, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-11-23 20:15:29,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:29,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:15:29,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:15:29,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:15:29,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:29" (1/1) ... [2023-11-23 20:15:29,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:29" (1/1) ... [2023-11-23 20:15:29,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:29" (1/1) ... [2023-11-23 20:15:29,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:29" (1/1) ... [2023-11-23 20:15:29,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:29" (1/1) ... [2023-11-23 20:15:29,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:29" (1/1) ... [2023-11-23 20:15:29,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:29" (1/1) ... [2023-11-23 20:15:29,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:29" (1/1) ... [2023-11-23 20:15:29,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:15:29,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:15:29,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:15:29,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:15:29,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:29" (1/1) ... [2023-11-23 20:15:29,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:29,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:15:29,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:15:29,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:15:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:15:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:15:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:15:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:15:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:15:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-23 20:15:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-23 20:15:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:15:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:15:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:15:29,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:15:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:15:29,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:15:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:15:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:15:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:15:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:15:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:15:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:15:29,720 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:15:29,905 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:15:29,908 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:15:30,208 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:15:30,235 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:15:30,235 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:15:30,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:30 BoogieIcfgContainer [2023-11-23 20:15:30,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:15:30,245 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:15:30,245 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:15:30,256 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:15:30,257 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:30" (1/1) ... [2023-11-23 20:15:30,258 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) [2023-11-23 20:15:30,262 INFO L158 Benchmark]: Toolchain (without parser) took 1840.12ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 94.1MB in the beginning and 138.7MB in the end (delta: -44.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:15:30,263 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 111.9MB in the end (delta: 76.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:15:30,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1029.78ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 59.7MB in the end (delta: 34.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-23 20:15:30,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.16ms. Allocated memory is still 142.6MB. Free memory was 59.7MB in the beginning and 57.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:15:30,266 INFO L158 Benchmark]: Boogie Preprocessor took 76.05ms. Allocated memory is still 142.6MB. Free memory was 57.2MB in the beginning and 55.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:15:30,267 INFO L158 Benchmark]: RCFGBuilder took 624.89ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 55.5MB in the beginning and 139.7MB in the end (delta: -84.1MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-23 20:15:30,267 INFO L158 Benchmark]: CodeCheck took 15.36ms. Allocated memory is still 178.3MB. Free memory was 139.7MB in the beginning and 138.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:15:30,271 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 0.30ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 111.9MB in the end (delta: 76.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1029.78ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 59.7MB in the end (delta: 34.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.16ms. Allocated memory is still 142.6MB. Free memory was 59.7MB in the beginning and 57.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.05ms. Allocated memory is still 142.6MB. Free memory was 57.2MB in the beginning and 55.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 624.89ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 55.5MB in the beginning and 139.7MB in the end (delta: -84.1MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * CodeCheck took 15.36ms. Allocated memory is still 178.3MB. Free memory was 139.7MB in the beginning and 138.7MB 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. [2023-11-23 20:15:30,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:15:32,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:15:33,091 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:15:33,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:15:33,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:15:33,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:15:33,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:15:33,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:15:33,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:15:33,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:15:33,162 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:15:33,163 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:15:33,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:15:33,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:15:33,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:15:33,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:15:33,167 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:15:33,167 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:15:33,168 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:15:33,168 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:15:33,168 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:15:33,169 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:15:33,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:15:33,170 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:15:33,171 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:15:33,171 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:15:33,171 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:15:33,172 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:15:33,173 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:15:33,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:15:33,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:33,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:15:33,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:15:33,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:15:33,176 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:15:33,177 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:15:33,177 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:15:33,177 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:15:33,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:15:33,179 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_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 [2023-11-23 20:15:33,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:15:33,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:15:33,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:15:33,689 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:15:33,690 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:15:33,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-23 20:15:36,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:15:37,404 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:15:37,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-23 20:15:37,442 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/data/6e7ed61d4/be3f8505b1ba431f9a462353d6a3446a/FLAGe65ca2633 [2023-11-23 20:15:37,465 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/data/6e7ed61d4/be3f8505b1ba431f9a462353d6a3446a [2023-11-23 20:15:37,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:15:37,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:15:37,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:37,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:15:37,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:15:37,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:37" (1/1) ... [2023-11-23 20:15:37,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1558ce21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:37, skipping insertion in model container [2023-11-23 20:15:37,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:37" (1/1) ... [2023-11-23 20:15:37,579 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:15:37,909 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:15:38,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:38,389 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:15:38,410 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:15:38,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:38,576 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:15:38,576 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:15:38,576 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:15:38,616 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:15:38,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38 WrapperNode [2023-11-23 20:15:38,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:38,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:38,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:15:38,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:15:38,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:38,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:38,699 INFO L138 Inliner]: procedures = 328, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-11-23 20:15:38,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:38,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:15:38,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:15:38,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:15:38,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:38,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:38,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:38,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:38,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:38,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:38,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:38,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:38,750 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:15:38,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:15:38,752 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:15:38,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:15:38,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:38,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:38,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:15:38,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:15:38,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:15:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 20:15:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:15:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:15:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:15:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 20:15:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:15:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:15:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:15:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:15:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-23 20:15:38,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-23 20:15:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:15:38,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:15:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:15:38,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:15:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:15:38,841 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:15:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:15:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:15:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:15:38,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:15:38,845 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:15:39,125 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:15:39,129 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:15:39,434 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:15:39,453 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:15:39,453 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:15:39,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:39 BoogieIcfgContainer [2023-11-23 20:15:39,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:15:39,456 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:15:39,457 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:15:39,468 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:15:39,468 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:39" (1/1) ... [2023-11-23 20:15:39,470 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) [2023-11-23 20:15:39,475 INFO L158 Benchmark]: Toolchain (without parser) took 1999.51ms. Allocated memory is still 115.3MB. Free memory was 88.5MB in the beginning and 64.3MB in the end (delta: 24.1MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-11-23 20:15:39,476 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:15:39,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1149.54ms. Allocated memory is still 115.3MB. Free memory was 88.5MB in the beginning and 88.8MB in the end (delta: -317.8kB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-11-23 20:15:39,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.22ms. Allocated memory is still 115.3MB. Free memory was 88.8MB in the beginning and 86.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:15:39,478 INFO L158 Benchmark]: Boogie Preprocessor took 49.82ms. Allocated memory is still 115.3MB. Free memory was 86.1MB in the beginning and 84.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:15:39,479 INFO L158 Benchmark]: RCFGBuilder took 704.11ms. Allocated memory is still 115.3MB. Free memory was 84.0MB in the beginning and 65.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:15:39,480 INFO L158 Benchmark]: CodeCheck took 16.38ms. Allocated memory is still 115.3MB. Free memory was 65.2MB in the beginning and 64.3MB in the end (delta: 836.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:15:39,484 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1149.54ms. Allocated memory is still 115.3MB. Free memory was 88.5MB in the beginning and 88.8MB in the end (delta: -317.8kB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.22ms. Allocated memory is still 115.3MB. Free memory was 88.8MB in the beginning and 86.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.82ms. Allocated memory is still 115.3MB. Free memory was 86.1MB in the beginning and 84.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 704.11ms. Allocated memory is still 115.3MB. Free memory was 84.0MB in the beginning and 65.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 16.38ms. Allocated memory is still 115.3MB. Free memory was 65.2MB in the beginning and 64.3MB in the end (delta: 836.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:15:39,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2f92b7-131f-43bd-a679-68cf7f2773c4/bin/ukojak-verify-1t5iHCbJaC/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