./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL --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 b1e99af7c76570461a4b0ac70d664412f250ec04f47fd9ca8c0f85236f1348c6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:17:50,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:17:50,339 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:17:50,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:17:50,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:17:50,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:17:50,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:17:50,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:17:50,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:17:50,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:17:50,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:17:50,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:17:50,412 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:17:50,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:17:50,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:17:50,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:17:50,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:17:50,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:17:50,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:17:50,416 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:17:50,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:17:50,417 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:17:50,417 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:17:50,418 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:17:50,418 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:17:50,419 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:17:50,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:17:50,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:17:50,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:17:50,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:17:50,421 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:17:50,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:17:50,422 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:17:50,422 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_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1e99af7c76570461a4b0ac70d664412f250ec04f47fd9ca8c0f85236f1348c6 [2023-11-19 03:17:50,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:17:50,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:17:50,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:17:50,755 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:17:50,756 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:17:50,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2023-11-19 03:17:53,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:17:53,961 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:17:53,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2023-11-19 03:17:53,971 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/data/78027962b/d8c62974971546a2a080dffe33d1e332/FLAGbec460dcf [2023-11-19 03:17:53,992 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/data/78027962b/d8c62974971546a2a080dffe33d1e332 [2023-11-19 03:17:54,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:17:54,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:17:54,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:17:54,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:17:54,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:17:54,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:17:53" (1/1) ... [2023-11-19 03:17:54,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a2b30ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:54, skipping insertion in model container [2023-11-19 03:17:54,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:17:53" (1/1) ... [2023-11-19 03:17:54,054 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:17:54,289 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_ee11029c-bd22-4e3b-86e8-a121126c44b2/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c[3694,3707] [2023-11-19 03:17:54,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:17:54,345 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:17:54,415 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_ee11029c-bd22-4e3b-86e8-a121126c44b2/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c[3694,3707] [2023-11-19 03:17:54,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:17:54,436 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:17:54,436 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:17:54,446 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:17:54,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:54 WrapperNode [2023-11-19 03:17:54,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:17:54,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:17:54,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:17:54,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:17:54,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:54" (1/1) ... [2023-11-19 03:17:54,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:54" (1/1) ... [2023-11-19 03:17:54,527 INFO L138 Inliner]: procedures = 27, calls = 68, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 140 [2023-11-19 03:17:54,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:17:54,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:17:54,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:17:54,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:17:54,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:54" (1/1) ... [2023-11-19 03:17:54,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:54" (1/1) ... [2023-11-19 03:17:54,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:54" (1/1) ... [2023-11-19 03:17:54,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:54" (1/1) ... [2023-11-19 03:17:54,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:54" (1/1) ... [2023-11-19 03:17:54,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:54" (1/1) ... [2023-11-19 03:17:54,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:54" (1/1) ... [2023-11-19 03:17:54,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:54" (1/1) ... [2023-11-19 03:17:54,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:17:54,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:17:54,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:17:54,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:17:54,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:54" (1/1) ... [2023-11-19 03:17:54,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:17:54,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:17:54,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:17:54,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:17:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:17:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:17:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:17:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:17:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:17:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:17:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:17:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:17:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:17:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:17:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:17:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:17:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:17:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:17:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:17:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-19 03:17:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-19 03:17:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:17:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:17:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:17:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:17:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:17:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:17:54,718 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:17:54,942 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:17:54,945 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:17:55,498 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:17:55,649 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:17:55,649 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:17:55,652 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~post2 := ~i1~0;~i1~0 := 1 + #t~post2;havoc #t~post2;call #t~mem3 := read~int(~x~0.base, ~x~0.offset + 4 * ~i1~0, 4);~t11~0 := #t~mem3;havoc #t~mem3;). 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:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 03:17:55,657 INFO L158 Benchmark]: Toolchain (without parser) took 1653.76ms. Allocated memory is still 176.2MB. Free memory was 144.9MB in the beginning and 115.8MB in the end (delta: 29.1MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-11-19 03:17:55,658 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory was 97.8MB in the beginning and 97.7MB in the end (delta: 74.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:17:55,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.87ms. Allocated memory is still 176.2MB. Free memory was 144.7MB in the beginning and 135.3MB in the end (delta: 9.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-11-19 03:17:55,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.20ms. Allocated memory is still 176.2MB. Free memory was 135.3MB in the beginning and 133.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:17:55,660 INFO L158 Benchmark]: Boogie Preprocessor took 76.65ms. Allocated memory is still 176.2MB. Free memory was 133.7MB in the beginning and 131.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:17:55,661 INFO L158 Benchmark]: RCFGBuilder took 1048.91ms. Allocated memory is still 176.2MB. Free memory was 131.6MB in the beginning and 115.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:17:55,665 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory was 97.8MB in the beginning and 97.7MB in the end (delta: 74.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.87ms. Allocated memory is still 176.2MB. Free memory was 144.7MB in the beginning and 135.3MB in the end (delta: 9.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.20ms. Allocated memory is still 176.2MB. Free memory was 135.3MB in the beginning and 133.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.65ms. Allocated memory is still 176.2MB. Free memory was 133.7MB in the beginning and 131.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1048.91ms. Allocated memory is still 176.2MB. Free memory was 131.6MB in the beginning and 115.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~post2 := ~i1~0;~i1~0 := 1 + #t~post2;havoc #t~post2;call #t~mem3 := read~int(~x~0.base, ~x~0.offset + 4 * ~i1~0, 4);~t11~0 := #t~mem3;havoc #t~mem3;). 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 end of atomic block: #t~post2 := ~i1~0;~i1~0 := 1 + #t~post2;havoc #t~post2;call #t~mem3 := read~int(~x~0.base, ~x~0.offset + 4 * ~i1~0, 4);~t11~0 := #t~mem3;havoc #t~mem3;). 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:17:55,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/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_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL --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 b1e99af7c76570461a4b0ac70d664412f250ec04f47fd9ca8c0f85236f1348c6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:17:58,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:17:58,779 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:17:58,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:17:58,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:17:58,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:17:58,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:17:58,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:17:58,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:17:58,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:17:58,821 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:17:58,821 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:17:58,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:17:58,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:17:58,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:17:58,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:17:58,824 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:17:58,825 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:17:58,826 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:17:58,826 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:17:58,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:17:58,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:17:58,828 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:17:58,828 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:17:58,829 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:17:58,829 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:17:58,830 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:17:58,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:17:58,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:17:58,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:17:58,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:17:58,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:17:58,833 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:17:58,834 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:17:58,834 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:17:58,835 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:17:58,835 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:17:58,836 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_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1e99af7c76570461a4b0ac70d664412f250ec04f47fd9ca8c0f85236f1348c6 [2023-11-19 03:17:59,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:17:59,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:17:59,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:17:59,349 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:17:59,350 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:17:59,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2023-11-19 03:18:02,658 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:18:02,967 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:18:02,968 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2023-11-19 03:18:02,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/data/f14a1b226/da40b30c491d421aa92231cc2786f144/FLAGf727c9e40 [2023-11-19 03:18:03,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/data/f14a1b226/da40b30c491d421aa92231cc2786f144 [2023-11-19 03:18:03,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:18:03,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:18:03,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:03,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:18:03,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:18:03,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:03" (1/1) ... [2023-11-19 03:18:03,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2806de22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:03, skipping insertion in model container [2023-11-19 03:18:03,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:03" (1/1) ... [2023-11-19 03:18:03,327 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:18:03,626 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_ee11029c-bd22-4e3b-86e8-a121126c44b2/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c[3694,3707] [2023-11-19 03:18:03,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:03,678 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:18:03,690 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:18:03,739 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_ee11029c-bd22-4e3b-86e8-a121126c44b2/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c[3694,3707] [2023-11-19 03:18:03,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:03,760 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:18:03,803 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_ee11029c-bd22-4e3b-86e8-a121126c44b2/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c[3694,3707] [2023-11-19 03:18:03,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:03,853 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:18:03,856 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:18:03,866 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:18:03,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:03 WrapperNode [2023-11-19 03:18:03,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:03,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:03,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:18:03,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:18:03,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:03" (1/1) ... [2023-11-19 03:18:03,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:03" (1/1) ... [2023-11-19 03:18:03,953 INFO L138 Inliner]: procedures = 29, calls = 68, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 130 [2023-11-19 03:18:03,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:03,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:18:03,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:18:03,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:18:03,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:03" (1/1) ... [2023-11-19 03:18:03,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:03" (1/1) ... [2023-11-19 03:18:03,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:03" (1/1) ... [2023-11-19 03:18:03,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:03" (1/1) ... [2023-11-19 03:18:04,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:03" (1/1) ... [2023-11-19 03:18:04,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:03" (1/1) ... [2023-11-19 03:18:04,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:03" (1/1) ... [2023-11-19 03:18:04,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:03" (1/1) ... [2023-11-19 03:18:04,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:18:04,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:18:04,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:18:04,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:18:04,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:03" (1/1) ... [2023-11-19 03:18:04,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:04,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:18:04,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:18:04,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:18:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:18:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:18:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:18:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:18:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:18:04,144 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:18:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:18:04,144 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:18:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:18:04,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:18:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:18:04,147 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:18:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:18:04,148 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:18:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-19 03:18:04,148 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-19 03:18:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:18:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:18:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:18:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:18:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:18:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:18:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:18:04,153 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:18:04,314 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:18:04,317 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:18:04,749 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:18:04,988 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:18:04,988 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:18:04,991 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~post2 := ~i1~0;~i1~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;call #t~mem3 := read~intINTTYPE4(~x~0.base, ~bvadd~32(~x~0.offset, ~bvmul~32(4bv32, ~i1~0)), 4bv32);~t11~0 := #t~mem3;havoc #t~mem3;). 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:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 03:18:04,996 INFO L158 Benchmark]: Toolchain (without parser) took 1742.67ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 46.9MB in the beginning and 55.4MB in the end (delta: -8.5MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2023-11-19 03:18:04,996 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 71.3MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:18:04,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 613.59ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 46.7MB in the beginning and 72.4MB in the end (delta: -25.7MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-11-19 03:18:04,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.83ms. Allocated memory is still 94.4MB. Free memory was 72.4MB in the beginning and 70.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:04,999 INFO L158 Benchmark]: Boogie Preprocessor took 84.65ms. Allocated memory is still 94.4MB. Free memory was 70.3MB in the beginning and 68.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:05,000 INFO L158 Benchmark]: RCFGBuilder took 954.01ms. Allocated memory is still 94.4MB. Free memory was 68.2MB in the beginning and 55.4MB in the end (delta: 12.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-11-19 03:18:05,004 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 71.3MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 613.59ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 46.7MB in the beginning and 72.4MB in the end (delta: -25.7MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.83ms. Allocated memory is still 94.4MB. Free memory was 72.4MB in the beginning and 70.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.65ms. Allocated memory is still 94.4MB. Free memory was 70.3MB in the beginning and 68.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 954.01ms. Allocated memory is still 94.4MB. Free memory was 68.2MB in the beginning and 55.4MB in the end (delta: 12.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~post2 := ~i1~0;~i1~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;call #t~mem3 := read~intINTTYPE4(~x~0.base, ~bvadd~32(~x~0.offset, ~bvmul~32(4bv32, ~i1~0)), 4bv32);~t11~0 := #t~mem3;havoc #t~mem3;). 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 end of atomic block: #t~post2 := ~i1~0;~i1~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;call #t~mem3 := read~intINTTYPE4(~x~0.base, ~bvadd~32(~x~0.offset, ~bvmul~32(4bv32, ~i1~0)), 4bv32);~t11~0 := #t~mem3;havoc #t~mem3;). 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:18:05,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee11029c-bd22-4e3b-86e8-a121126c44b2/bin/ukojak-verify-G8NBE6pJGL/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 end of atomic block: #t~post2 := ~i1~0;~i1~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;call #t~mem3 := read~intINTTYPE4(~x~0.base, ~bvadd~32(~x~0.offset, ~bvmul~32(4bv32, ~i1~0)), 4bv32);~t11~0 := #t~mem3;havoc #t~mem3;). Is there illegal control flow (e.g. loops) within an atomic block?