./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/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_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:38,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:39,073 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:55:39,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:55:39,087 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:55:39,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:39,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:55:39,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:55:39,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:39,117 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:39,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:39,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:39,119 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:55:39,119 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:55:39,120 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:55:39,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:39,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:39,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:39,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:39,123 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:55:39,124 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:55:39,124 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:55:39,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:39,126 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:39,126 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:39,127 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:39,156 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:39,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:39,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:39,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:39,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:39,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:55:39,163 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:55:39,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:55:39,163 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:55:39,164 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_9607fc0d-252f-482e-8234-3a91287eb800/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 [2023-11-19 02:55:39,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:39,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:39,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:39,513 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:39,513 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:39,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-19 02:55:42,568 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:42,935 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:42,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-19 02:55:42,974 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/data/7411ca42a/af2ec96effb24dd6b3fcee2c0ad576a6/FLAG34d20871a [2023-11-19 02:55:42,993 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/data/7411ca42a/af2ec96effb24dd6b3fcee2c0ad576a6 [2023-11-19 02:55:42,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:43,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:43,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:43,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:43,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:43,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:42" (1/1) ... [2023-11-19 02:55:43,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4679fb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:43, skipping insertion in model container [2023-11-19 02:55:43,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:42" (1/1) ... [2023-11-19 02:55:43,124 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:43,411 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:55:43,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:43,795 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:43,840 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:55:43,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:43,996 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:43,996 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:43,997 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:44,005 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:44,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:44 WrapperNode [2023-11-19 02:55:44,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:44,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:44,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:44,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:44,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:44" (1/1) ... [2023-11-19 02:55:44,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:44" (1/1) ... [2023-11-19 02:55:44,115 INFO L138 Inliner]: procedures = 325, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-11-19 02:55:44,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:44,116 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:44,116 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:44,116 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:44,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:44" (1/1) ... [2023-11-19 02:55:44,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:44" (1/1) ... [2023-11-19 02:55:44,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:44" (1/1) ... [2023-11-19 02:55:44,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:44" (1/1) ... [2023-11-19 02:55:44,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:44" (1/1) ... [2023-11-19 02:55:44,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:44" (1/1) ... [2023-11-19 02:55:44,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:44" (1/1) ... [2023-11-19 02:55:44,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:44" (1/1) ... [2023-11-19 02:55:44,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:44,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:44,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:44,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:44,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:44" (1/1) ... [2023-11-19 02:55:44,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:44,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:44,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:44,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:55:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:55:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:55:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:55:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:55:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-19 02:55:44,265 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-19 02:55:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:55:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:55:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:55:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:55:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 02:55:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 02:55:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:55:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:55:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:55:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:44,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:44,269 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 02:55:44,481 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:44,483 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:55:44,736 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:55:44,756 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:55:44,757 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:55:44,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:44 BoogieIcfgContainer [2023-11-19 02:55:44,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:55:44,763 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:55:44,763 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:55:44,776 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:55:44,776 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:44" (1/1) ... [2023-11-19 02:55:44,778 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 02:55:44,783 INFO L158 Benchmark]: Toolchain (without parser) took 1778.54ms. Allocated memory is still 182.5MB. Free memory was 152.5MB in the beginning and 128.8MB in the end (delta: 23.7MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-11-19 02:55:44,784 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 130.0MB. Free memory was 102.7MB in the beginning and 102.5MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:55:44,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 999.30ms. Allocated memory is still 182.5MB. Free memory was 152.5MB in the beginning and 118.3MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 02:55:44,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.81ms. Allocated memory is still 182.5MB. Free memory was 118.3MB in the beginning and 149.6MB in the end (delta: -31.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:55:44,787 INFO L158 Benchmark]: Boogie Preprocessor took 59.68ms. Allocated memory is still 182.5MB. Free memory was 149.6MB in the beginning and 147.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:55:44,788 INFO L158 Benchmark]: RCFGBuilder took 585.59ms. Allocated memory is still 182.5MB. Free memory was 147.7MB in the beginning and 129.8MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 02:55:44,789 INFO L158 Benchmark]: CodeCheck took 18.36ms. Allocated memory is still 182.5MB. Free memory was 129.8MB in the beginning and 128.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:55:44,795 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 0.36ms. Allocated memory is still 130.0MB. Free memory was 102.7MB in the beginning and 102.5MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 999.30ms. Allocated memory is still 182.5MB. Free memory was 152.5MB in the beginning and 118.3MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.81ms. Allocated memory is still 182.5MB. Free memory was 118.3MB in the beginning and 149.6MB in the end (delta: -31.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.68ms. Allocated memory is still 182.5MB. Free memory was 149.6MB in the beginning and 147.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 585.59ms. Allocated memory is still 182.5MB. Free memory was 147.7MB in the beginning and 129.8MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 18.36ms. Allocated memory is still 182.5MB. Free memory was 129.8MB in the beginning and 128.8MB 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. [2023-11-19 02:55:44,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/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_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:47,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:47,881 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 02:55:47,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:47,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:55:47,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:55:47,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:47,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:47,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:47,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:47,949 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:55:47,949 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:55:47,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:47,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:47,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:47,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:47,953 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:55:47,953 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:55:47,954 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:55:47,955 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:55:47,956 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:55:47,959 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:55:47,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:47,960 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:47,961 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:47,961 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:47,962 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:47,962 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:55:47,963 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:55:47,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:47,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:47,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:47,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:47,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:55:47,966 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:55:47,967 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:55:47,967 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:55:47,967 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:55:47,968 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:55:47,969 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_9607fc0d-252f-482e-8234-3a91287eb800/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 [2023-11-19 02:55:48,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:48,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:48,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:48,487 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:48,487 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:48,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-19 02:55:51,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:52,528 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:52,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-19 02:55:52,560 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/data/5e3429ec7/7bd37b7934fa4716816810b2e3ee4ab6/FLAGb9c43de98 [2023-11-19 02:55:52,578 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/data/5e3429ec7/7bd37b7934fa4716816810b2e3ee4ab6 [2023-11-19 02:55:52,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:52,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:52,585 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:52,585 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:52,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:52,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:52" (1/1) ... [2023-11-19 02:55:52,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a3bb68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:52, skipping insertion in model container [2023-11-19 02:55:52,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:52" (1/1) ... [2023-11-19 02:55:52,672 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:52,951 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:55:53,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:53,446 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:53,468 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:55:53,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:53,626 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:53,626 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:53,627 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:53,633 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:53,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:53 WrapperNode [2023-11-19 02:55:53,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:53,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:53,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:53,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:53,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:53" (1/1) ... [2023-11-19 02:55:53,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:53" (1/1) ... [2023-11-19 02:55:53,694 INFO L138 Inliner]: procedures = 328, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-11-19 02:55:53,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:53,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:53,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:53,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:53,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:53" (1/1) ... [2023-11-19 02:55:53,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:53" (1/1) ... [2023-11-19 02:55:53,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:53" (1/1) ... [2023-11-19 02:55:53,715 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:53" (1/1) ... [2023-11-19 02:55:53,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:53" (1/1) ... [2023-11-19 02:55:53,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:53" (1/1) ... [2023-11-19 02:55:53,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:53" (1/1) ... [2023-11-19 02:55:53,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:53" (1/1) ... [2023-11-19 02:55:53,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:53,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:53,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:53,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:53,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:53" (1/1) ... [2023-11-19 02:55:53,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:53,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:53,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:53,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 02:55:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:55:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:55:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:55:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 02:55:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:55:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:55:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:55:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:55:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-19 02:55:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-19 02:55:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:55:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:55:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:55:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:55:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 02:55:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 02:55:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:55:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:53,910 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 02:55:54,115 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:54,117 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:55:54,502 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:55:54,534 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:55:54,534 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:55:54,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:54 BoogieIcfgContainer [2023-11-19 02:55:54,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:55:54,544 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:55:54,544 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:55:54,557 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:55:54,557 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:54" (1/1) ... [2023-11-19 02:55:54,558 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 02:55:54,565 INFO L158 Benchmark]: Toolchain (without parser) took 1980.93ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 50.1MB in the beginning and 63.0MB in the end (delta: -12.9MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-11-19 02:55:54,566 INFO L158 Benchmark]: CDTParser took 1.47ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:55:54,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1049.10ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 49.9MB in the beginning and 59.0MB in the end (delta: -9.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:55:54,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.96ms. Allocated memory is still 102.8MB. Free memory was 59.0MB in the beginning and 56.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:55:54,569 INFO L158 Benchmark]: Boogie Preprocessor took 85.44ms. Allocated memory is still 102.8MB. Free memory was 56.5MB in the beginning and 54.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:55:54,570 INFO L158 Benchmark]: RCFGBuilder took 761.36ms. Allocated memory is still 102.8MB. Free memory was 54.4MB in the beginning and 64.2MB in the end (delta: -9.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-19 02:55:54,571 INFO L158 Benchmark]: CodeCheck took 18.65ms. Allocated memory is still 102.8MB. Free memory was 64.2MB in the beginning and 63.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:55:54,582 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.47ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1049.10ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 49.9MB in the beginning and 59.0MB in the end (delta: -9.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.96ms. Allocated memory is still 102.8MB. Free memory was 59.0MB in the beginning and 56.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.44ms. Allocated memory is still 102.8MB. Free memory was 56.5MB in the beginning and 54.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 761.36ms. Allocated memory is still 102.8MB. Free memory was 54.4MB in the beginning and 64.2MB in the end (delta: -9.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * CodeCheck took 18.65ms. Allocated memory is still 102.8MB. Free memory was 64.2MB in the beginning and 63.0MB 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 02:55:54,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9607fc0d-252f-482e-8234-3a91287eb800/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