./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 cf1a7837 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_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV --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-cf1a783 [2023-11-11 23:55:26,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:26,699 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:55:26,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:55:26,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:55:26,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:26,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:26,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:26,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:26,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:26,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:26,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:26,758 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:55:26,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:55:26,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:55:26,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:26,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:26,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:26,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:26,763 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:26,763 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:26,764 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:55:26,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:26,765 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:26,765 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:26,766 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:26,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:26,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:26,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:26,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:26,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:26,770 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:55:26,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:55:26,770 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:26,770 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_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2023-11-11 23:55:27,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:27,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:27,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:27,123 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:27,124 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:27,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/singleton.i [2023-11-11 23:55:30,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:30,540 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:30,541 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/sv-benchmarks/c/pthread/singleton.i [2023-11-11 23:55:30,579 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/data/f7492a5ab/208f4ce1b2c3419ebb1107d24e718eef/FLAG5be793eb1 [2023-11-11 23:55:30,595 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/data/f7492a5ab/208f4ce1b2c3419ebb1107d24e718eef [2023-11-11 23:55:30,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:30,608 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:30,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:30,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:30,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:30,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:30" (1/1) ... [2023-11-11 23:55:30,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c3f6c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:30, skipping insertion in model container [2023-11-11 23:55:30,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:30" (1/1) ... [2023-11-11 23:55:30,701 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:30,950 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:55:31,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:31,277 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:31,304 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:55:31,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:31,449 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:31,449 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:31,449 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:31,457 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:31,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31 WrapperNode [2023-11-11 23:55:31,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:31,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:31,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:31,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:31,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,490 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,512 INFO L138 Inliner]: procedures = 325, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 37 [2023-11-11 23:55:31,513 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:31,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:31,514 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:31,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:31,524 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:31,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:31,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:31,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:31,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:31,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:31,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:31,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:55:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:55:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:55:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:55:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-11 23:55:31,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-11 23:55:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:55:31,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:55:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:55:31,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:55:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:55:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:55:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:55:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:55:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:55:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:31,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:31,666 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:55:31,804 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:31,806 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:32,048 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:32,056 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:32,056 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:55:32,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:32 BoogieIcfgContainer [2023-11-11 23:55:32,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:55:32,060 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:55:32,060 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:55:32,070 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:55:32,070 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:32" (1/1) ... [2023-11-11 23:55:32,071 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) [2023-11-11 23:55:32,075 INFO L158 Benchmark]: Toolchain (without parser) took 1466.52ms. Allocated memory is still 184.5MB. Free memory was 134.8MB in the beginning and 80.2MB in the end (delta: 54.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-11 23:55:32,076 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 144.7MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:32,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 846.60ms. Allocated memory is still 184.5MB. Free memory was 134.8MB in the beginning and 101.0MB in the end (delta: 33.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-11 23:55:32,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.71ms. Allocated memory is still 184.5MB. Free memory was 101.0MB in the beginning and 98.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:32,078 INFO L158 Benchmark]: Boogie Preprocessor took 53.29ms. Allocated memory is still 184.5MB. Free memory was 98.5MB in the beginning and 97.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:32,079 INFO L158 Benchmark]: RCFGBuilder took 491.23ms. Allocated memory is still 184.5MB. Free memory was 97.0MB in the beginning and 81.1MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:55:32,080 INFO L158 Benchmark]: CodeCheck took 13.91ms. Allocated memory is still 184.5MB. Free memory was 81.1MB in the beginning and 80.2MB in the end (delta: 954.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:32,083 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 0.68ms. Allocated memory is still 144.7MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 846.60ms. Allocated memory is still 184.5MB. Free memory was 134.8MB in the beginning and 101.0MB in the end (delta: 33.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.71ms. Allocated memory is still 184.5MB. Free memory was 101.0MB in the beginning and 98.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.29ms. Allocated memory is still 184.5MB. Free memory was 98.5MB in the beginning and 97.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 491.23ms. Allocated memory is still 184.5MB. Free memory was 97.0MB in the beginning and 81.1MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 13.91ms. Allocated memory is still 184.5MB. Free memory was 81.1MB in the beginning and 80.2MB in the end (delta: 954.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:55:32,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/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_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV --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-cf1a783 [2023-11-11 23:55:34,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:35,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:55:35,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:35,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:35,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:35,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:35,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:35,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:35,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:35,142 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:55:35,143 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:55:35,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:35,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:35,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:35,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:35,146 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:55:35,147 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:55:35,147 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:35,148 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:55:35,148 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:35,149 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:55:35,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:35,149 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:35,150 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:35,150 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:35,151 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:55:35,151 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:35,152 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:55:35,152 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:35,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:35,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:35,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:35,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:35,155 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:55:35,155 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:35,155 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:35,156 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:55:35,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:55:35,157 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_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2023-11-11 23:55:35,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:35,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:35,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:35,654 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:35,655 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:35,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/singleton.i [2023-11-11 23:55:38,858 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:39,228 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:39,235 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/sv-benchmarks/c/pthread/singleton.i [2023-11-11 23:55:39,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/data/668aeb519/1740018b99f24037891cb041a48c60f1/FLAGa5c80eaf1 [2023-11-11 23:55:39,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/data/668aeb519/1740018b99f24037891cb041a48c60f1 [2023-11-11 23:55:39,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:39,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:39,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:39,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:39,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:39,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:39" (1/1) ... [2023-11-11 23:55:39,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f836865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:39, skipping insertion in model container [2023-11-11 23:55:39,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:39" (1/1) ... [2023-11-11 23:55:39,383 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:39,699 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:55:40,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:40,283 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:40,321 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:55:40,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:40,492 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:40,492 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:40,492 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:40,501 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:40,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:40 WrapperNode [2023-11-11 23:55:40,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:40,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:40,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:40,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:40,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:40" (1/1) ... [2023-11-11 23:55:40,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:40" (1/1) ... [2023-11-11 23:55:40,578 INFO L138 Inliner]: procedures = 328, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2023-11-11 23:55:40,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:40,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:40,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:40,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:40,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:40" (1/1) ... [2023-11-11 23:55:40,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:40" (1/1) ... [2023-11-11 23:55:40,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:40" (1/1) ... [2023-11-11 23:55:40,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:40" (1/1) ... [2023-11-11 23:55:40,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:40" (1/1) ... [2023-11-11 23:55:40,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:40" (1/1) ... [2023-11-11 23:55:40,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:40" (1/1) ... [2023-11-11 23:55:40,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:40" (1/1) ... [2023-11-11 23:55:40,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:40,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:40,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:40,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:40,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:40" (1/1) ... [2023-11-11 23:55:40,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:40,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:40,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:40,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-11 23:55:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:55:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:55:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:55:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-11 23:55:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:55:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:55:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:55:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-11 23:55:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-11 23:55:40,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:55:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:55:40,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:55:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:55:40,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:55:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:55:40,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:55:40,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:40,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:40,724 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:55:40,921 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:40,923 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:41,235 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:41,244 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:41,244 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:55:41,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:41 BoogieIcfgContainer [2023-11-11 23:55:41,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:55:41,249 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:55:41,249 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:55:41,260 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:55:41,261 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:41" (1/1) ... [2023-11-11 23:55:41,262 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) [2023-11-11 23:55:41,267 INFO L158 Benchmark]: Toolchain (without parser) took 1970.21ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 43.1MB in the beginning and 31.0MB in the end (delta: 12.0MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2023-11-11 23:55:41,268 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory was 44.6MB in the beginning and 44.5MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:41,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1203.24ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 42.9MB in the beginning and 54.3MB in the end (delta: -11.4MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-11 23:55:41,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.94ms. Allocated memory is still 98.6MB. Free memory was 54.3MB in the beginning and 51.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:41,270 INFO L158 Benchmark]: Boogie Preprocessor took 44.42ms. Allocated memory is still 98.6MB. Free memory was 51.9MB in the beginning and 49.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:55:41,271 INFO L158 Benchmark]: RCFGBuilder took 618.75ms. Allocated memory is still 98.6MB. Free memory was 49.2MB in the beginning and 32.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:55:41,272 INFO L158 Benchmark]: CodeCheck took 16.65ms. Allocated memory is still 98.6MB. Free memory was 32.4MB in the beginning and 31.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:41,276 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 0.32ms. Allocated memory is still 69.2MB. Free memory was 44.6MB in the beginning and 44.5MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1203.24ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 42.9MB in the beginning and 54.3MB in the end (delta: -11.4MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.94ms. Allocated memory is still 98.6MB. Free memory was 54.3MB in the beginning and 51.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.42ms. Allocated memory is still 98.6MB. Free memory was 51.9MB in the beginning and 49.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 618.75ms. Allocated memory is still 98.6MB. Free memory was 49.2MB in the beginning and 32.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 16.65ms. Allocated memory is still 98.6MB. Free memory was 32.4MB in the beginning and 31.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:55:41,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e862b5-c6bf-456d-8d1a-edee2085c1d9/bin/ukojak-verify-0OAaufAVZV/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