./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.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_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/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_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/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_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/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 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:46:36,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:46:36,551 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:46:36,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:46:36,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:46:36,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:46:36,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:46:36,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:46:36,599 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:46:36,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:46:36,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:46:36,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:46:36,606 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:46:36,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:46:36,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:46:36,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:46:36,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:46:36,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:46:36,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:46:36,611 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:46:36,611 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:46:36,612 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:46:36,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:46:36,613 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:46:36,613 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:46:36,614 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:46:36,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:46:36,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:36,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:46:36,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:46:36,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:46:36,618 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:46:36,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:46:36,618 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:46:36,619 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_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301 [2023-11-11 23:46:36,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:46:36,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:46:36,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:46:36,978 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:46:36,978 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:46:36,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i [2023-11-11 23:46:40,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:46:40,305 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:46:40,311 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i [2023-11-11 23:46:40,332 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/data/3529fb0a4/9e00afe680ef4fce9ee3fe5553d2593a/FLAG86936c29f [2023-11-11 23:46:40,349 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/data/3529fb0a4/9e00afe680ef4fce9ee3fe5553d2593a [2023-11-11 23:46:40,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:46:40,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:46:40,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:40,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:46:40,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:46:40,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:40" (1/1) ... [2023-11-11 23:46:40,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13fb516a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:40, skipping insertion in model container [2023-11-11 23:46:40,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:40" (1/1) ... [2023-11-11 23:46:40,409 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:40,599 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:46:40,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:40,774 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:46:40,792 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:46:40,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:40,860 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:40,861 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:40,861 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:40,870 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:46:40,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:40 WrapperNode [2023-11-11 23:46:40,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:40,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:40,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:46:40,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:46:40,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:40" (1/1) ... [2023-11-11 23:46:40,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:40" (1/1) ... [2023-11-11 23:46:40,926 INFO L138 Inliner]: procedures = 174, calls = 52, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 119 [2023-11-11 23:46:40,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:40,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:46:40,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:46:40,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:46:40,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:40" (1/1) ... [2023-11-11 23:46:40,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:40" (1/1) ... [2023-11-11 23:46:40,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:40" (1/1) ... [2023-11-11 23:46:40,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:40" (1/1) ... [2023-11-11 23:46:40,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:40" (1/1) ... [2023-11-11 23:46:40,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:40" (1/1) ... [2023-11-11 23:46:40,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:40" (1/1) ... [2023-11-11 23:46:40,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:40" (1/1) ... [2023-11-11 23:46:40,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:46:40,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:46:40,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:46:40,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:46:40,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:40" (1/1) ... [2023-11-11 23:46:40,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:40,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:46:40,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:46:41,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:46:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:46:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:46:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:46:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:46:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:46:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:46:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2023-11-11 23:46:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2023-11-11 23:46:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:46:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:46:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:46:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:46:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:46:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:46:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2023-11-11 23:46:41,053 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2023-11-11 23:46:41,055 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 23:46:41,226 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:46:41,228 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:46:41,495 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:46:41,543 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:46:41,543 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:46:41,544 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L710 is neither atomic block end nor a sink node. [2023-11-11 23:46:41,545 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 23:46:41,549 INFO L158 Benchmark]: Toolchain (without parser) took 1195.49ms. Allocated memory is still 201.3MB. Free memory was 156.1MB in the beginning and 168.3MB in the end (delta: -12.2MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2023-11-11 23:46:41,550 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 134.2MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:46:41,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.49ms. Allocated memory is still 201.3MB. Free memory was 155.6MB in the beginning and 134.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:46:41,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.03ms. Allocated memory is still 201.3MB. Free memory was 134.7MB in the beginning and 132.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:41,552 INFO L158 Benchmark]: Boogie Preprocessor took 32.51ms. Allocated memory is still 201.3MB. Free memory was 132.5MB in the beginning and 131.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:41,553 INFO L158 Benchmark]: RCFGBuilder took 586.83ms. Allocated memory is still 201.3MB. Free memory was 131.0MB in the beginning and 169.1MB in the end (delta: -38.1MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2023-11-11 23:46:41,562 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 134.2MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.49ms. Allocated memory is still 201.3MB. Free memory was 155.6MB in the beginning and 134.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.03ms. Allocated memory is still 201.3MB. Free memory was 134.7MB in the beginning and 132.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.51ms. Allocated memory is still 201.3MB. Free memory was 132.5MB in the beginning and 131.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 586.83ms. Allocated memory is still 201.3MB. Free memory was 131.0MB in the beginning and 169.1MB in the end (delta: -38.1MB). Peak memory consumption was 20.8MB. 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 23:46:41,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/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_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/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_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/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_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/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 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:46:44,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:46:44,444 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:46:44,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:46:44,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:46:44,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:46:44,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:46:44,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:46:44,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:46:44,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:46:44,513 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:46:44,514 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:46:44,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:46:44,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:46:44,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:46:44,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:46:44,517 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:46:44,518 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:46:44,518 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:46:44,519 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:46:44,519 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:46:44,520 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:46:44,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:46:44,520 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:46:44,521 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:46:44,521 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:46:44,522 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:46:44,522 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:46:44,522 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:46:44,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:46:44,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:44,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:46:44,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:46:44,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:46:44,526 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:46:44,526 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:46:44,526 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:46:44,526 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:46:44,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:46:44,528 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_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301 [2023-11-11 23:46:44,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:46:45,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:46:45,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:46:45,006 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:46:45,007 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:46:45,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i [2023-11-11 23:46:48,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:46:48,733 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:46:48,734 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i [2023-11-11 23:46:48,778 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/data/61d6e6b06/3b87e6f80e294a1a8d6231e7e1685a41/FLAGc35016cd3 [2023-11-11 23:46:48,794 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/data/61d6e6b06/3b87e6f80e294a1a8d6231e7e1685a41 [2023-11-11 23:46:48,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:46:48,799 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:46:48,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:48,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:46:48,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:46:48,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:48" (1/1) ... [2023-11-11 23:46:48,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d89940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:48, skipping insertion in model container [2023-11-11 23:46:48,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:48" (1/1) ... [2023-11-11 23:46:48,885 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:49,145 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:46:49,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:49,397 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:46:49,425 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:46:49,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:49,542 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:49,542 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:49,542 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:49,550 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:46:49,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:49 WrapperNode [2023-11-11 23:46:49,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:49,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:49,553 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:46:49,553 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:46:49,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:49" (1/1) ... [2023-11-11 23:46:49,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:49" (1/1) ... [2023-11-11 23:46:49,614 INFO L138 Inliner]: procedures = 177, calls = 52, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 120 [2023-11-11 23:46:49,614 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:49,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:46:49,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:46:49,616 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:46:49,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:49" (1/1) ... [2023-11-11 23:46:49,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:49" (1/1) ... [2023-11-11 23:46:49,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:49" (1/1) ... [2023-11-11 23:46:49,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:49" (1/1) ... [2023-11-11 23:46:49,641 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:49" (1/1) ... [2023-11-11 23:46:49,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:49" (1/1) ... [2023-11-11 23:46:49,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:49" (1/1) ... [2023-11-11 23:46:49,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:49" (1/1) ... [2023-11-11 23:46:49,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:46:49,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:46:49,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:46:49,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:46:49,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:49" (1/1) ... [2023-11-11 23:46:49,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:49,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:46:49,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:46:49,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:46:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:46:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:46:49,737 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:46:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:46:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:46:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2023-11-11 23:46:49,738 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2023-11-11 23:46:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:46:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:46:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:46:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:46:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:46:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:46:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:46:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2023-11-11 23:46:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2023-11-11 23:46:49,741 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 23:46:49,906 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:46:49,909 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:46:50,301 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:46:50,364 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:46:50,368 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:46:50,369 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L710 is neither atomic block end nor a sink node. [2023-11-11 23:46:50,371 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 23:46:50,377 INFO L158 Benchmark]: Toolchain (without parser) took 1577.10ms. Allocated memory is still 98.6MB. Free memory was 73.4MB in the beginning and 51.6MB in the end (delta: 21.8MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:50,377 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:46:50,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.09ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 73.8MB in the end (delta: -645.2kB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:50,379 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.18ms. Allocated memory is still 98.6MB. Free memory was 73.8MB in the beginning and 71.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:50,379 INFO L158 Benchmark]: Boogie Preprocessor took 39.00ms. Allocated memory is still 98.6MB. Free memory was 71.4MB in the beginning and 69.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:50,380 INFO L158 Benchmark]: RCFGBuilder took 720.20ms. Allocated memory is still 98.6MB. Free memory was 69.7MB in the beginning and 51.6MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:46:50,384 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 751.09ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 73.8MB in the end (delta: -645.2kB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.18ms. Allocated memory is still 98.6MB. Free memory was 73.8MB in the beginning and 71.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.00ms. Allocated memory is still 98.6MB. Free memory was 71.4MB in the beginning and 69.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 720.20ms. Allocated memory is still 98.6MB. Free memory was 69.7MB in the beginning and 51.6MB in the end (delta: 18.2MB). 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 23:46:50,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb33a8f-faf7-4945-b0df-5c2e35b1539a/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?