./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/singleton.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/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_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/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_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:29:03,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:29:04,113 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:29:04,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:29:04,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:29:04,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:29:04,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:29:04,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:29:04,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:29:04,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:29:04,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:29:04,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:29:04,148 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:29:04,149 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:29:04,149 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:29:04,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:29:04,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:29:04,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:29:04,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:29:04,152 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:29:04,153 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:29:04,153 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:29:04,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:29:04,154 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:29:04,155 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:29:04,155 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:29:04,156 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:29:04,156 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:29:04,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:04,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:29:04,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:29:04,158 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:29:04,159 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:29:04,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:29:04,160 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:29:04,160 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_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2023-11-23 20:29:04,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:29:04,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:29:04,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:29:04,501 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:29:04,501 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:29:04,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/singleton.i [2023-11-23 20:29:07,581 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:29:07,907 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:29:07,907 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/sv-benchmarks/c/pthread/singleton.i [2023-11-23 20:29:07,936 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/data/b1327bd8c/061eb7b7c8cf40829c4bc0a7dc056aba/FLAGb52132053 [2023-11-23 20:29:07,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/data/b1327bd8c/061eb7b7c8cf40829c4bc0a7dc056aba [2023-11-23 20:29:07,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:29:07,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:29:07,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:07,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:29:07,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:29:07,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:07" (1/1) ... [2023-11-23 20:29:07,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e1b4958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:07, skipping insertion in model container [2023-11-23 20:29:07,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:07" (1/1) ... [2023-11-23 20:29:08,019 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:29:08,230 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:29:08,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:08,643 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:29:08,661 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:29:08,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:08,791 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:08,791 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:08,792 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:08,800 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:29:08,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:08 WrapperNode [2023-11-23 20:29:08,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:08,802 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:08,802 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:29:08,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:29:08,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:08" (1/1) ... [2023-11-23 20:29:08,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:08" (1/1) ... [2023-11-23 20:29:08,854 INFO L138 Inliner]: procedures = 325, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 37 [2023-11-23 20:29:08,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:08,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:29:08,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:29:08,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:29:08,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:08" (1/1) ... [2023-11-23 20:29:08,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:08" (1/1) ... [2023-11-23 20:29:08,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:08" (1/1) ... [2023-11-23 20:29:08,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:08" (1/1) ... [2023-11-23 20:29:08,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:08" (1/1) ... [2023-11-23 20:29:08,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:08" (1/1) ... [2023-11-23 20:29:08,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:08" (1/1) ... [2023-11-23 20:29:08,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:08" (1/1) ... [2023-11-23 20:29:08,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:29:08,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:29:08,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:29:08,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:29:08,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:08" (1/1) ... [2023-11-23 20:29:08,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:08,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:29:08,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:29:08,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:29:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:29:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:29:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:29:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:29:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:29:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-23 20:29:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-23 20:29:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:29:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:29:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:29:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:29:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:29:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:29:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:29:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:29:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:29:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:29:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:29:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:29:09,042 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 20:29:09,230 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:29:09,233 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:29:09,495 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:29:09,513 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:29:09,513 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:29:09,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:09 BoogieIcfgContainer [2023-11-23 20:29:09,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:29:09,516 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:29:09,517 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:29:09,533 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:29:09,533 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:09" (1/1) ... [2023-11-23 20:29:09,534 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 20:29:09,542 INFO L158 Benchmark]: Toolchain (without parser) took 1585.83ms. Allocated memory is still 161.5MB. Free memory was 131.4MB in the beginning and 117.0MB in the end (delta: 14.4MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-11-23 20:29:09,543 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 127.9MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:29:09,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 843.85ms. Allocated memory is still 161.5MB. Free memory was 131.4MB in the beginning and 98.0MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-23 20:29:09,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.61ms. Allocated memory is still 161.5MB. Free memory was 98.0MB in the beginning and 95.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:29:09,545 INFO L158 Benchmark]: Boogie Preprocessor took 34.86ms. Allocated memory is still 161.5MB. Free memory was 95.4MB in the beginning and 93.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:29:09,546 INFO L158 Benchmark]: RCFGBuilder took 625.05ms. Allocated memory is still 161.5MB. Free memory was 93.8MB in the beginning and 118.1MB in the end (delta: -24.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:29:09,546 INFO L158 Benchmark]: CodeCheck took 24.15ms. Allocated memory is still 161.5MB. Free memory was 118.1MB in the beginning and 117.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:29:09,550 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 127.9MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 843.85ms. Allocated memory is still 161.5MB. Free memory was 131.4MB in the beginning and 98.0MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.61ms. Allocated memory is still 161.5MB. Free memory was 98.0MB in the beginning and 95.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.86ms. Allocated memory is still 161.5MB. Free memory was 95.4MB in the beginning and 93.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 625.05ms. Allocated memory is still 161.5MB. Free memory was 93.8MB in the beginning and 118.1MB in the end (delta: -24.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 24.15ms. Allocated memory is still 161.5MB. Free memory was 118.1MB in the beginning and 117.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:29:09,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/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_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/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_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:29:12,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:29:12,428 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:29:12,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:29:12,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:29:12,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:29:12,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:29:12,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:29:12,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:29:12,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:29:12,513 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:29:12,513 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:29:12,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:29:12,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:29:12,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:29:12,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:29:12,517 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:29:12,517 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:29:12,518 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:29:12,519 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:29:12,519 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:29:12,520 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:29:12,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:29:12,521 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:29:12,521 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:29:12,522 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:29:12,522 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:29:12,523 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:29:12,523 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:29:12,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:29:12,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:12,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:29:12,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:29:12,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:29:12,527 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:29:12,527 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:29:12,527 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:29:12,528 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:29:12,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:29:12,529 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_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2023-11-23 20:29:12,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:29:13,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:29:13,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:29:13,012 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:29:13,012 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:29:13,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/singleton.i [2023-11-23 20:29:16,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:29:16,446 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:29:16,469 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/sv-benchmarks/c/pthread/singleton.i [2023-11-23 20:29:16,494 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/data/02320e445/e3ce03953d104652830c617365e904fd/FLAGb4353925c [2023-11-23 20:29:16,510 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/data/02320e445/e3ce03953d104652830c617365e904fd [2023-11-23 20:29:16,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:29:16,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:29:16,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:16,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:29:16,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:29:16,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:16" (1/1) ... [2023-11-23 20:29:16,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a8f7c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:16, skipping insertion in model container [2023-11-23 20:29:16,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:16" (1/1) ... [2023-11-23 20:29:16,587 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:29:16,886 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:29:17,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:17,438 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:29:17,478 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:29:17,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:17,668 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:17,669 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:17,669 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:17,677 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:29:17,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:17 WrapperNode [2023-11-23 20:29:17,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:17,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:17,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:29:17,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:29:17,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:17" (1/1) ... [2023-11-23 20:29:17,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:17" (1/1) ... [2023-11-23 20:29:17,740 INFO L138 Inliner]: procedures = 328, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2023-11-23 20:29:17,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:17,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:29:17,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:29:17,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:29:17,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:17" (1/1) ... [2023-11-23 20:29:17,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:17" (1/1) ... [2023-11-23 20:29:17,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:17" (1/1) ... [2023-11-23 20:29:17,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:17" (1/1) ... [2023-11-23 20:29:17,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:17" (1/1) ... [2023-11-23 20:29:17,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:17" (1/1) ... [2023-11-23 20:29:17,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:17" (1/1) ... [2023-11-23 20:29:17,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:17" (1/1) ... [2023-11-23 20:29:17,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:29:17,827 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:29:17,828 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:29:17,828 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:29:17,829 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:17" (1/1) ... [2023-11-23 20:29:17,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:17,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:29:17,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:29:17,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:29:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 20:29:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:29:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:29:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:29:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 20:29:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:29:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:29:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:29:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:29:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-23 20:29:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-23 20:29:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:29:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:29:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:29:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:29:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:29:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:29:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:29:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:29:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:29:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:29:17,931 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 20:29:18,157 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:29:18,159 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:29:18,480 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:29:18,500 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:29:18,501 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:29:18,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:18 BoogieIcfgContainer [2023-11-23 20:29:18,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:29:18,504 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:29:18,504 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:29:18,517 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:29:18,517 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:18" (1/1) ... [2023-11-23 20:29:18,518 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 20:29:18,525 INFO L158 Benchmark]: Toolchain (without parser) took 2007.88ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 58.7MB in the beginning and 89.5MB in the end (delta: -30.7MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2023-11-23 20:29:18,526 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:29:18,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1160.42ms. Allocated memory is still 83.9MB. Free memory was 58.7MB in the beginning and 51.8MB in the end (delta: 6.9MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2023-11-23 20:29:18,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.51ms. Allocated memory is still 83.9MB. Free memory was 51.8MB in the beginning and 49.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:29:18,529 INFO L158 Benchmark]: Boogie Preprocessor took 84.20ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:29:18,530 INFO L158 Benchmark]: RCFGBuilder took 675.51ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 47.3MB in the beginning and 90.8MB in the end (delta: -43.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2023-11-23 20:29:18,531 INFO L158 Benchmark]: CodeCheck took 19.45ms. Allocated memory is still 115.3MB. Free memory was 90.8MB in the beginning and 89.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:29:18,541 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1160.42ms. Allocated memory is still 83.9MB. Free memory was 58.7MB in the beginning and 51.8MB in the end (delta: 6.9MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.51ms. Allocated memory is still 83.9MB. Free memory was 51.8MB in the beginning and 49.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.20ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 675.51ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 47.3MB in the beginning and 90.8MB in the end (delta: -43.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * CodeCheck took 19.45ms. Allocated memory is still 115.3MB. Free memory was 90.8MB in the beginning and 89.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:29:18,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba24ed7-5ebc-4357-a8ad-1cc16a0aa927/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