./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:22,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:22,692 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:10:22,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:22,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:22,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:22,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:22,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:22,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:22,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:22,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:22,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:22,729 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:10:22,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:22,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:10:22,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:22,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:22,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:22,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:22,733 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:10:22,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:22,735 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:22,735 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:22,736 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:22,736 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:22,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:22,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:22,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:22,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:22,739 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:22,740 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:22,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:22,741 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:22,741 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_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 [2023-11-24 22:10:22,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:23,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:23,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:23,029 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:23,030 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:23,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-24 22:10:26,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:26,602 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:26,604 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-24 22:10:26,617 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/data/fc7c8195b/fe844a784328497e8caba64c3fc7e7c5/FLAGf647e3177 [2023-11-24 22:10:26,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/data/fc7c8195b/fe844a784328497e8caba64c3fc7e7c5 [2023-11-24 22:10:26,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:26,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:26,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:26,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:26,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:26,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:26" (1/1) ... [2023-11-24 22:10:26,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7a079f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:26, skipping insertion in model container [2023-11-24 22:10:26,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:26" (1/1) ... [2023-11-24 22:10:26,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:26,985 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4284,4297] [2023-11-24 22:10:26,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:27,008 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:27,043 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4284,4297] [2023-11-24 22:10:27,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:27,058 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:10:27,059 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:10:27,067 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:27,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:27 WrapperNode [2023-11-24 22:10:27,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:27,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:27,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:27,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:27,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:27" (1/1) ... [2023-11-24 22:10:27,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:27" (1/1) ... [2023-11-24 22:10:27,130 INFO L138 Inliner]: procedures = 27, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 113 [2023-11-24 22:10:27,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:27,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:27,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:27,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:27,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:27" (1/1) ... [2023-11-24 22:10:27,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:27" (1/1) ... [2023-11-24 22:10:27,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:27" (1/1) ... [2023-11-24 22:10:27,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:27" (1/1) ... [2023-11-24 22:10:27,167 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:27" (1/1) ... [2023-11-24 22:10:27,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:27" (1/1) ... [2023-11-24 22:10:27,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:27" (1/1) ... [2023-11-24 22:10:27,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:27" (1/1) ... [2023-11-24 22:10:27,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:27,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:27,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:27,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:27,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:27" (1/1) ... [2023-11-24 22:10:27,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:27,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:27,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:27,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:10:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:10:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-24 22:10:27,267 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-24 22:10:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:10:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:10:27,268 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:10:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:10:27,268 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:10:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:10:27,268 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:10:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 22:10:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 22:10:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:10:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:10:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:10:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-24 22:10:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-24 22:10:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:10:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:10:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:10:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:10:27,274 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:10:27,407 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:27,410 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:27,873 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:28,054 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-24 22:10:28,059 INFO L158 Benchmark]: Toolchain (without parser) took 1411.10ms. Allocated memory is still 148.9MB. Free memory was 111.9MB in the beginning and 102.6MB in the end (delta: 9.3MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-11-24 22:10:28,060 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory was 69.8MB in the beginning and 69.8MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:28,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.16ms. Allocated memory is still 148.9MB. Free memory was 111.9MB in the beginning and 98.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:10:28,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.41ms. Allocated memory is still 148.9MB. Free memory was 98.5MB in the beginning and 96.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:28,062 INFO L158 Benchmark]: Boogie Preprocessor took 60.01ms. Allocated memory is still 148.9MB. Free memory was 96.5MB in the beginning and 94.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:28,063 INFO L158 Benchmark]: RCFGBuilder took 861.34ms. Allocated memory is still 148.9MB. Free memory was 94.4MB in the beginning and 102.6MB in the end (delta: -8.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-11-24 22:10:28,066 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 100.7MB. Free memory was 69.8MB in the beginning and 69.8MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.16ms. Allocated memory is still 148.9MB. Free memory was 111.9MB in the beginning and 98.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.41ms. Allocated memory is still 148.9MB. Free memory was 98.5MB in the beginning and 96.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.01ms. Allocated memory is still 148.9MB. Free memory was 96.5MB in the beginning and 94.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 861.34ms. Allocated memory is still 148.9MB. Free memory was 94.4MB in the beginning and 102.6MB in the end (delta: -8.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:10:28,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:30,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:30,962 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:10:31,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:31,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:31,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:31,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:31,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:31,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:31,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:31,027 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:10:31,027 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:10:31,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:31,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:31,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:31,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:31,031 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:10:31,031 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:10:31,032 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:10:31,032 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:10:31,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:31,033 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:31,034 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:31,034 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:31,034 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:31,035 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:10:31,035 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:10:31,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:31,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:31,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:31,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:31,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:31,039 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:10:31,039 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:10:31,039 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:31,040 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:10:31,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:10:31,040 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_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 [2023-11-24 22:10:31,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:31,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:31,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:31,540 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:31,541 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:31,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-24 22:10:34,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:35,018 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:35,018 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-24 22:10:35,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/data/1cfab5bdf/8d51dd62ad78465ebe474da4d7770407/FLAG2a529f022 [2023-11-24 22:10:35,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/data/1cfab5bdf/8d51dd62ad78465ebe474da4d7770407 [2023-11-24 22:10:35,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:35,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:35,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:35,065 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:35,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:35,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f40a7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35, skipping insertion in model container [2023-11-24 22:10:35,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,118 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:35,434 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4284,4297] [2023-11-24 22:10:35,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:35,487 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 22:10:35,498 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:35,564 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4284,4297] [2023-11-24 22:10:35,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:35,589 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:35,635 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4284,4297] [2023-11-24 22:10:35,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:35,673 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:10:35,673 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:10:35,682 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:35,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35 WrapperNode [2023-11-24 22:10:35,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:35,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:35,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:35,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:35,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,767 INFO L138 Inliner]: procedures = 29, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 108 [2023-11-24 22:10:35,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:35,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:35,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:35,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:35,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:35,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:35,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:35,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:35,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:35,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:35,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:35,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:10:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:10:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-24 22:10:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-24 22:10:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:10:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:10:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:10:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:10:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:10:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:10:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:10:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 22:10:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 22:10:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:10:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:10:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-24 22:10:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-24 22:10:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:10:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:10:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:10:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:10:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:10:35,959 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:10:36,184 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:36,189 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:36,759 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:36,926 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-24 22:10:36,931 INFO L158 Benchmark]: Toolchain (without parser) took 1870.50ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 59.5MB in the beginning and 92.3MB in the end (delta: -32.8MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2023-11-24 22:10:36,932 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 59.3MB in the end (delta: 155.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:36,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.93ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 43.3MB in the end (delta: 15.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:10:36,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.67ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 41.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:36,934 INFO L158 Benchmark]: Boogie Preprocessor took 76.38ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 39.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:36,935 INFO L158 Benchmark]: RCFGBuilder took 1082.70ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 39.2MB in the beginning and 92.3MB in the end (delta: -53.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-11-24 22:10:36,939 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 83.9MB. Free memory was 59.4MB in the beginning and 59.3MB in the end (delta: 155.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.93ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 43.3MB in the end (delta: 15.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.67ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 41.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.38ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 39.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1082.70ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 39.2MB in the beginning and 92.3MB in the end (delta: -53.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:10:36,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9073a58c-b7cc-4dce-96bc-3c00fc419a27/bin/ukojak-verify-afCqCEvfdi/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: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?