./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.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_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/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_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/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_0b332dc7-9fb1-44de-8e23-9e559bf43299/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 8fab2e995569cc819974baee7d52d8d4bdabd2a2896c83fb3b8d07b44f394c5b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:49:13,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:49:14,012 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:49:14,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:49:14,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:49:14,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:49:14,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:49:14,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:49:14,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:49:14,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:49:14,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:49:14,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:49:14,056 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:49:14,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:49:14,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:49:14,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:49:14,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:49:14,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:49:14,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:49:14,061 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:49:14,062 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:49:14,063 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:49:14,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:49:14,065 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:49:14,065 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:49:14,066 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:49:14,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:49:14,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:14,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:49:14,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:49:14,070 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:49:14,070 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:49:14,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:49:14,071 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:49:14,072 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_0b332dc7-9fb1-44de-8e23-9e559bf43299/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fab2e995569cc819974baee7d52d8d4bdabd2a2896c83fb3b8d07b44f394c5b [2023-11-11 23:49:14,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:49:14,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:49:14,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:49:14,407 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:49:14,407 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:49:14,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2023-11-11 23:49:18,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:49:18,423 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:49:18,424 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2023-11-11 23:49:18,470 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/data/d2f6f57cb/8cccea13349c416388e6d88b49b2d93a/FLAG067cddb3d [2023-11-11 23:49:18,490 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/data/d2f6f57cb/8cccea13349c416388e6d88b49b2d93a [2023-11-11 23:49:18,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:49:18,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:49:18,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:18,498 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:49:18,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:49:18,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:18" (1/1) ... [2023-11-11 23:49:18,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@445be6aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:18, skipping insertion in model container [2023-11-11 23:49:18,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:18" (1/1) ... [2023-11-11 23:49:18,586 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:49:18,904 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:49:19,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:19,201 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:49:19,231 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:49:19,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:19,337 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:19,337 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:19,337 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:19,347 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:49:19,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:19 WrapperNode [2023-11-11 23:49:19,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:19,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:19,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:49:19,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:49:19,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:19" (1/1) ... [2023-11-11 23:49:19,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:19" (1/1) ... [2023-11-11 23:49:19,411 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 114 [2023-11-11 23:49:19,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:19,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:49:19,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:49:19,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:49:19,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:19" (1/1) ... [2023-11-11 23:49:19,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:19" (1/1) ... [2023-11-11 23:49:19,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:19" (1/1) ... [2023-11-11 23:49:19,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:19" (1/1) ... [2023-11-11 23:49:19,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:19" (1/1) ... [2023-11-11 23:49:19,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:19" (1/1) ... [2023-11-11 23:49:19,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:19" (1/1) ... [2023-11-11 23:49:19,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:19" (1/1) ... [2023-11-11 23:49:19,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:49:19,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:49:19,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:49:19,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:49:19,455 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:19" (1/1) ... [2023-11-11 23:49:19,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:19,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:49:19,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:49:19,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:49:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:49:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:49:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:49:19,544 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:49:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:49:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:49:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2023-11-11 23:49:19,545 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2023-11-11 23:49:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:49:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:49:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:49:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:49:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:49:19,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:49:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2023-11-11 23:49:19,547 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2023-11-11 23:49:19,549 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 23:49:19,724 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:49:19,727 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:49:19,974 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:49:20,026 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:49:20,027 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:49:20,028 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L710 is neither atomic block end nor a sink node. [2023-11-11 23:49:20,029 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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 23:49:20,041 INFO L158 Benchmark]: Toolchain (without parser) took 1543.85ms. Allocated memory is still 190.8MB. Free memory was 143.6MB in the beginning and 103.0MB in the end (delta: 40.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-11 23:49:20,042 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 121.6MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:49:20,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 851.23ms. Allocated memory is still 190.8MB. Free memory was 143.6MB in the beginning and 123.4MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:49:20,044 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.11ms. Allocated memory is still 190.8MB. Free memory was 123.4MB in the beginning and 121.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:20,045 INFO L158 Benchmark]: Boogie Preprocessor took 39.63ms. Allocated memory is still 190.8MB. Free memory was 121.3MB in the beginning and 119.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:20,045 INFO L158 Benchmark]: RCFGBuilder took 585.50ms. Allocated memory is still 190.8MB. Free memory was 119.7MB in the beginning and 103.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:49:20,049 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 121.6MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 851.23ms. Allocated memory is still 190.8MB. Free memory was 143.6MB in the beginning and 123.4MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.11ms. Allocated memory is still 190.8MB. Free memory was 123.4MB in the beginning and 121.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.63ms. Allocated memory is still 190.8MB. Free memory was 121.3MB in the beginning and 119.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 585.50ms. Allocated memory is still 190.8MB. Free memory was 119.7MB in the beginning and 103.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:49:20,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/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_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/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_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/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_0b332dc7-9fb1-44de-8e23-9e559bf43299/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 8fab2e995569cc819974baee7d52d8d4bdabd2a2896c83fb3b8d07b44f394c5b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:49:23,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:49:23,354 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:49:23,412 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:49:23,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:49:23,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:49:23,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:49:23,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:49:23,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:49:23,424 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:49:23,424 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:49:23,425 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:49:23,425 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:49:23,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:49:23,427 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:49:23,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:49:23,428 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:49:23,428 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:49:23,429 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:49:23,430 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:49:23,431 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:49:23,431 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:49:23,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:49:23,432 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:49:23,432 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:49:23,433 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:49:23,433 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:49:23,434 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:49:23,434 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:49:23,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:49:23,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:23,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:49:23,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:49:23,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:49:23,438 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:49:23,438 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:49:23,438 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:49:23,438 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:49:23,439 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:49:23,440 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_0b332dc7-9fb1-44de-8e23-9e559bf43299/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fab2e995569cc819974baee7d52d8d4bdabd2a2896c83fb3b8d07b44f394c5b [2023-11-11 23:49:23,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:49:23,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:49:23,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:49:23,957 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:49:23,958 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:49:23,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2023-11-11 23:49:27,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:49:27,673 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:49:27,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2023-11-11 23:49:27,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/data/ba867efbc/59985014dd8a4a3fb0c642a711c947be/FLAG836bc8865 [2023-11-11 23:49:27,725 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/data/ba867efbc/59985014dd8a4a3fb0c642a711c947be [2023-11-11 23:49:27,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:49:27,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:49:27,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:27,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:49:27,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:49:27,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:27" (1/1) ... [2023-11-11 23:49:27,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a112ed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:27, skipping insertion in model container [2023-11-11 23:49:27,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:27" (1/1) ... [2023-11-11 23:49:27,795 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:49:28,108 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:49:28,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:28,460 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:49:28,494 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:49:28,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:28,641 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:28,642 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:28,642 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:28,652 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:49:28,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:28 WrapperNode [2023-11-11 23:49:28,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:28,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:28,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:49:28,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:49:28,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:28" (1/1) ... [2023-11-11 23:49:28,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:28" (1/1) ... [2023-11-11 23:49:28,759 INFO L138 Inliner]: procedures = 178, calls = 47, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 115 [2023-11-11 23:49:28,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:28,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:49:28,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:49:28,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:49:28,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:28" (1/1) ... [2023-11-11 23:49:28,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:28" (1/1) ... [2023-11-11 23:49:28,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:28" (1/1) ... [2023-11-11 23:49:28,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:28" (1/1) ... [2023-11-11 23:49:28,811 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:28" (1/1) ... [2023-11-11 23:49:28,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:28" (1/1) ... [2023-11-11 23:49:28,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:28" (1/1) ... [2023-11-11 23:49:28,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:28" (1/1) ... [2023-11-11 23:49:28,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:49:28,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:49:28,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:49:28,857 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:49:28,858 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:28" (1/1) ... [2023-11-11 23:49:28,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:28,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:49:28,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:49:28,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:49:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:49:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:49:28,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:49:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:49:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:49:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2023-11-11 23:49:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2023-11-11 23:49:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:49:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:49:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:49:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:49:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:49:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:49:28,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:49:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2023-11-11 23:49:28,995 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2023-11-11 23:49:28,997 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 23:49:29,212 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:49:29,215 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:49:29,625 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:49:29,673 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:49:29,673 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:49:29,674 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L710 is neither atomic block end nor a sink node. [2023-11-11 23:49:29,675 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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 23:49:29,681 INFO L158 Benchmark]: Toolchain (without parser) took 1950.22ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 44.1MB in the beginning and 43.4MB in the end (delta: 704.7kB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-11-11 23:49:29,682 INFO L158 Benchmark]: CDTParser took 1.27ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:49:29,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 923.30ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 43.9MB in the beginning and 66.3MB in the end (delta: -22.4MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-11-11 23:49:29,684 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.14ms. Allocated memory is still 96.5MB. Free memory was 66.3MB in the beginning and 64.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:29,685 INFO L158 Benchmark]: Boogie Preprocessor took 94.45ms. Allocated memory is still 96.5MB. Free memory was 64.2MB in the beginning and 62.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:29,686 INFO L158 Benchmark]: RCFGBuilder took 822.88ms. Allocated memory is still 96.5MB. Free memory was 62.2MB in the beginning and 43.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:49:29,690 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 923.30ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 43.9MB in the beginning and 66.3MB in the end (delta: -22.4MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.14ms. Allocated memory is still 96.5MB. Free memory was 66.3MB in the beginning and 64.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.45ms. Allocated memory is still 96.5MB. Free memory was 64.2MB in the beginning and 62.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 822.88ms. Allocated memory is still 96.5MB. Free memory was 62.2MB in the beginning and 43.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:49:29,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b332dc7-9fb1-44de-8e23-9e559bf43299/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?