./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/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_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/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_50ecb566-01e4-47a3-8540-7cce7e0a2fee/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 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:42:16,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:42:16,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:42:16,435 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:42:16,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:42:16,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:42:16,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:42:16,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:42:16,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:42:16,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:42:16,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:42:16,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:42:16,499 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:42:16,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:42:16,501 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:42:16,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:42:16,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:42:16,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:42:16,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:42:16,504 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:42:16,505 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:42:16,506 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:42:16,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:42:16,507 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:42:16,507 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:42:16,508 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:42:16,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:42:16,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:16,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:42:16,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:42:16,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:42:16,513 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:42:16,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:42:16,514 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:42:16,514 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_50ecb566-01e4-47a3-8540-7cce7e0a2fee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2023-11-11 23:42:16,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:42:16,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:42:16,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:42:16,930 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:42:16,931 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:42:16,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2023-11-11 23:42:20,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:42:20,584 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:42:20,585 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2023-11-11 23:42:20,614 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/data/81bf260f1/361ea4b3889548d4b67b5e1d973ee6c8/FLAG5d45e64de [2023-11-11 23:42:20,632 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/data/81bf260f1/361ea4b3889548d4b67b5e1d973ee6c8 [2023-11-11 23:42:20,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:42:20,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:42:20,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:20,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:42:20,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:42:20,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:20" (1/1) ... [2023-11-11 23:42:20,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1183a167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:20, skipping insertion in model container [2023-11-11 23:42:20,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:20" (1/1) ... [2023-11-11 23:42:20,736 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:42:20,986 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:42:21,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:21,196 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:42:21,216 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:42:21,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:21,327 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:42:21,327 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:42:21,327 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:42:21,357 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:42:21,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21 WrapperNode [2023-11-11 23:42:21,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:21,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:21,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:42:21,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:42:21,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,440 INFO L138 Inliner]: procedures = 173, calls = 25, calls flagged for inlining = 6, calls inlined = 9, statements flattened = 114 [2023-11-11 23:42:21,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:21,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:42:21,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:42:21,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:42:21,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,513 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:42:21,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:42:21,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:42:21,515 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:42:21,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:21,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:42:21,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:42:21,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:42:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:42:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-11 23:42:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-11 23:42:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:42:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:42:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:42:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:42:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:42:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:42:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:42:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:42:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:42:21,615 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 23:42:21,789 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:42:21,791 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:42:22,068 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:42:22,227 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:42:22,227 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:42:22,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:22 BoogieIcfgContainer [2023-11-11 23:42:22,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:42:22,231 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:42:22,232 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:42:22,244 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:42:22,245 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:22" (1/1) ... [2023-11-11 23:42:22,246 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 23:42:22,252 INFO L158 Benchmark]: Toolchain (without parser) took 1608.39ms. Allocated memory was 146.8MB in the beginning and 226.5MB in the end (delta: 79.7MB). Free memory was 92.0MB in the beginning and 167.3MB in the end (delta: -75.3MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2023-11-11 23:42:22,253 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 146.8MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:42:22,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 711.97ms. Allocated memory was 146.8MB in the beginning and 226.5MB in the end (delta: 79.7MB). Free memory was 91.6MB in the beginning and 194.5MB in the end (delta: -102.9MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-11-11 23:42:22,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.02ms. Allocated memory is still 226.5MB. Free memory was 194.5MB in the beginning and 192.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:42:22,258 INFO L158 Benchmark]: Boogie Preprocessor took 71.88ms. Allocated memory is still 226.5MB. Free memory was 192.5MB in the beginning and 190.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:42:22,259 INFO L158 Benchmark]: RCFGBuilder took 715.80ms. Allocated memory is still 226.5MB. Free memory was 190.4MB in the beginning and 168.4MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:42:22,261 INFO L158 Benchmark]: CodeCheck took 18.06ms. Allocated memory is still 226.5MB. Free memory was 168.4MB in the beginning and 167.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:42:22,274 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 0.64ms. Allocated memory is still 146.8MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 711.97ms. Allocated memory was 146.8MB in the beginning and 226.5MB in the end (delta: 79.7MB). Free memory was 91.6MB in the beginning and 194.5MB in the end (delta: -102.9MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.02ms. Allocated memory is still 226.5MB. Free memory was 194.5MB in the beginning and 192.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.88ms. Allocated memory is still 226.5MB. Free memory was 192.5MB in the beginning and 190.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 715.80ms. Allocated memory is still 226.5MB. Free memory was 190.4MB in the beginning and 168.4MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 18.06ms. Allocated memory is still 226.5MB. Free memory was 168.4MB in the beginning and 167.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:42:22,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/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_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/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_50ecb566-01e4-47a3-8540-7cce7e0a2fee/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 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:42:25,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:42:25,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:42:25,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:42:25,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:42:25,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:42:25,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:42:25,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:42:25,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:42:25,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:42:25,355 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:42:25,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:42:25,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:42:25,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:42:25,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:42:25,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:42:25,358 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:42:25,359 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:42:25,360 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:42:25,360 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:42:25,361 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:42:25,361 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:42:25,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:42:25,364 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:42:25,365 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:42:25,365 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:42:25,366 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:42:25,366 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:42:25,367 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:42:25,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:42:25,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:25,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:42:25,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:42:25,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:42:25,370 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:42:25,370 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:42:25,370 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:42:25,371 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:42:25,371 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:42:25,372 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_50ecb566-01e4-47a3-8540-7cce7e0a2fee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2023-11-11 23:42:25,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:42:25,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:42:25,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:42:25,859 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:42:25,859 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:42:25,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2023-11-11 23:42:29,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:42:29,426 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:42:29,427 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2023-11-11 23:42:29,449 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/data/3a61322e7/6c3ecd5479fe41a997fb94e5e0df02e6/FLAG487ef65b3 [2023-11-11 23:42:29,465 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/data/3a61322e7/6c3ecd5479fe41a997fb94e5e0df02e6 [2023-11-11 23:42:29,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:42:29,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:42:29,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:29,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:42:29,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:42:29,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:29" (1/1) ... [2023-11-11 23:42:29,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c65b7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:29, skipping insertion in model container [2023-11-11 23:42:29,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:29" (1/1) ... [2023-11-11 23:42:29,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:42:29,741 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:42:29,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:30,013 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:42:30,046 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:42:30,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:30,125 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:42:30,125 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:42:30,125 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:42:30,133 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:42:30,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:30 WrapperNode [2023-11-11 23:42:30,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:30,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:30,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:42:30,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:42:30,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:30" (1/1) ... [2023-11-11 23:42:30,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:30" (1/1) ... [2023-11-11 23:42:30,208 INFO L138 Inliner]: procedures = 176, calls = 25, calls flagged for inlining = 6, calls inlined = 9, statements flattened = 114 [2023-11-11 23:42:30,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:30,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:42:30,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:42:30,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:42:30,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:30" (1/1) ... [2023-11-11 23:42:30,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:30" (1/1) ... [2023-11-11 23:42:30,226 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:30" (1/1) ... [2023-11-11 23:42:30,226 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:30" (1/1) ... [2023-11-11 23:42:30,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:30" (1/1) ... [2023-11-11 23:42:30,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:30" (1/1) ... [2023-11-11 23:42:30,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:30" (1/1) ... [2023-11-11 23:42:30,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:30" (1/1) ... [2023-11-11 23:42:30,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:42:30,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:42:30,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:42:30,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:42:30,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:30" (1/1) ... [2023-11-11 23:42:30,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:30,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:42:30,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:42:30,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:42:30,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:42:30,345 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-11 23:42:30,345 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-11 23:42:30,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:42:30,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:42:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:42:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:42:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:42:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:42:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:42:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:42:30,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:42:30,348 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 23:42:30,505 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:42:30,507 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:42:30,789 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:42:30,916 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:42:30,917 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:42:30,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:30 BoogieIcfgContainer [2023-11-11 23:42:30,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:42:30,935 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:42:30,936 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:42:30,946 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:42:30,947 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:30" (1/1) ... [2023-11-11 23:42:30,948 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 23:42:30,952 INFO L158 Benchmark]: Toolchain (without parser) took 1482.62ms. Allocated memory is still 94.4MB. Free memory was 69.3MB in the beginning and 70.5MB in the end (delta: -1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:42:30,953 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 84.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:42:30,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 663.90ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 70.1MB in the end (delta: -951.1kB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-11-11 23:42:30,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.26ms. Allocated memory is still 94.4MB. Free memory was 70.1MB in the beginning and 68.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:42:30,955 INFO L158 Benchmark]: Boogie Preprocessor took 50.82ms. Allocated memory is still 94.4MB. Free memory was 68.0MB in the beginning and 65.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:42:30,956 INFO L158 Benchmark]: RCFGBuilder took 670.83ms. Allocated memory is still 94.4MB. Free memory was 65.9MB in the beginning and 71.4MB in the end (delta: -5.6MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2023-11-11 23:42:30,956 INFO L158 Benchmark]: CodeCheck took 15.85ms. Allocated memory is still 94.4MB. Free memory was 71.4MB in the beginning and 70.5MB in the end (delta: 936.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:42:30,960 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 84.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 663.90ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 70.1MB in the end (delta: -951.1kB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.26ms. Allocated memory is still 94.4MB. Free memory was 70.1MB in the beginning and 68.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.82ms. Allocated memory is still 94.4MB. Free memory was 68.0MB in the beginning and 65.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 670.83ms. Allocated memory is still 94.4MB. Free memory was 65.9MB in the beginning and 71.4MB in the end (delta: -5.6MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * CodeCheck took 15.85ms. Allocated memory is still 94.4MB. Free memory was 71.4MB in the beginning and 70.5MB in the end (delta: 936.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:42:30,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50ecb566-01e4-47a3-8540-7cce7e0a2fee/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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