./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b --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 3bc57c42fd552df471a50a3f823d776d12ae5a02a1da1686aaab749af4f270bf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:15:47,113 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:15:47,168 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:15:47,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:15:47,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:15:47,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:15:47,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:15:47,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:15:47,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:15:47,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:15:47,193 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:15:47,193 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:15:47,193 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:15:47,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:15:47,194 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:15:47,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:15:47,194 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:15:47,194 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:15:47,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:15:47,194 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:15:47,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:15:47,194 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:15:47,194 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:15:47,194 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:15:47,194 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:15:47,195 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:15:47,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:15:47,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:15:47,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:15:47,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:15:47,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:15:47,195 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:15:47,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:15:47,195 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b 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 -> 3bc57c42fd552df471a50a3f823d776d12ae5a02a1da1686aaab749af4f270bf [2024-12-06 05:15:47,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:15:47,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:15:47,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:15:47,451 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:15:47,452 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:15:47,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i [2024-12-06 05:15:50,133 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/data/ae138e8e1/ccbb8a07de7a4daf9c0f273e3fbfb591/FLAG7d9b03dfd [2024-12-06 05:15:50,375 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:15:50,376 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i [2024-12-06 05:15:50,388 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/data/ae138e8e1/ccbb8a07de7a4daf9c0f273e3fbfb591/FLAG7d9b03dfd [2024-12-06 05:15:50,697 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/data/ae138e8e1/ccbb8a07de7a4daf9c0f273e3fbfb591 [2024-12-06 05:15:50,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:15:50,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:15:50,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:15:50,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:15:50,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:15:50,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:15:50" (1/1) ... [2024-12-06 05:15:50,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6a1265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:50, skipping insertion in model container [2024-12-06 05:15:50,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:15:50" (1/1) ... [2024-12-06 05:15:50,733 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:15:50,855 WARN L250 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_c0a2986d-efa7-4885-bafa-f798f8a995e2/sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i[949,962] [2024-12-06 05:15:51,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:15:51,020 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:15:51,028 WARN L250 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_c0a2986d-efa7-4885-bafa-f798f8a995e2/sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i[949,962] [2024-12-06 05:15:51,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:15:51,106 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:15:51,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:51 WrapperNode [2024-12-06 05:15:51,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:15:51,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:15:51,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:15:51,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:15:51,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:51" (1/1) ... [2024-12-06 05:15:51,124 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:51" (1/1) ... [2024-12-06 05:15:51,146 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2024-12-06 05:15:51,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:15:51,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:15:51,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:15:51,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:15:51,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:51" (1/1) ... [2024-12-06 05:15:51,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:51" (1/1) ... [2024-12-06 05:15:51,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:51" (1/1) ... [2024-12-06 05:15:51,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:51" (1/1) ... [2024-12-06 05:15:51,166 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:51" (1/1) ... [2024-12-06 05:15:51,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:51" (1/1) ... [2024-12-06 05:15:51,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:51" (1/1) ... [2024-12-06 05:15:51,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:51" (1/1) ... [2024-12-06 05:15:51,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:51" (1/1) ... [2024-12-06 05:15:51,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:15:51,177 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:15:51,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:15:51,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:15:51,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:51" (1/1) ... [2024-12-06 05:15:51,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:15:51,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:15:51,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:15:51,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:15:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:15:51,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:15:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 05:15:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:15:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 05:15:51,234 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 05:15:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 05:15:51,234 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 05:15:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 05:15:51,234 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 05:15:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-06 05:15:51,234 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-06 05:15:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:15:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 05:15:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:15:51,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:15:51,236 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 05:15:51,347 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:15:51,349 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:15:51,630 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 05:15:51,630 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:15:51,781 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: ~x$r_buff1_thd0~0 := (if 0 == ~x$r_buff0_thd0~0 % 256 then 0 else 1);~x$r_buff1_thd1~0 := (if 0 == ~x$r_buff0_thd1~0 % 256 then 0 else 1);~x$r_buff1_thd2~0 := (if 0 == ~x$r_buff0_thd2~0 % 256 then 0 else 1);~x$r_buff1_thd3~0 := (if 0 == ~x$r_buff0_thd3~0 % 256 then 0 else 1);~x$r_buff1_thd4~0 := (if 0 == ~x$r_buff0_thd4~0 % 256 then 0 else 1);~x$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2024-12-06 05:15:51,786 INFO L158 Benchmark]: Toolchain (without parser) took 1085.06ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 103.7MB in the end (delta: 11.9MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2024-12-06 05:15:51,786 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:15:51,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.60ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 91.2MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:15:51,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.19ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 88.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:15:51,788 INFO L158 Benchmark]: Boogie Preprocessor took 29.34ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 87.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:15:51,788 INFO L158 Benchmark]: RCFGBuilder took 607.88ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 103.7MB in the end (delta: -16.5MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-12-06 05:15:51,790 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.60ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 91.2MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.19ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 88.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.34ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 87.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 607.88ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 103.7MB in the end (delta: -16.5MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0 == ~x$r_buff0_thd0~0 % 256 then 0 else 1);~x$r_buff1_thd1~0 := (if 0 == ~x$r_buff0_thd1~0 % 256 then 0 else 1);~x$r_buff1_thd2~0 := (if 0 == ~x$r_buff0_thd2~0 % 256 then 0 else 1);~x$r_buff1_thd3~0 := (if 0 == ~x$r_buff0_thd3~0 % 256 then 0 else 1);~x$r_buff1_thd4~0 := (if 0 == ~x$r_buff0_thd4~0 % 256 then 0 else 1);~x$r_buff0_thd2~0 := 1;). 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: ~x$r_buff1_thd0~0 := (if 0 == ~x$r_buff0_thd0~0 % 256 then 0 else 1);~x$r_buff1_thd1~0 := (if 0 == ~x$r_buff0_thd1~0 % 256 then 0 else 1);~x$r_buff1_thd2~0 := (if 0 == ~x$r_buff0_thd2~0 % 256 then 0 else 1);~x$r_buff1_thd3~0 := (if 0 == ~x$r_buff0_thd3~0 % 256 then 0 else 1);~x$r_buff1_thd4~0 := (if 0 == ~x$r_buff0_thd4~0 % 256 then 0 else 1);~x$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:15:51,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b --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 3bc57c42fd552df471a50a3f823d776d12ae5a02a1da1686aaab749af4f270bf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:15:53,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:15:53,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:15:53,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:15:53,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:15:53,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:15:53,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:15:53,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:15:53,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:15:53,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:15:53,842 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:15:53,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:15:53,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:15:53,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:15:53,842 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:15:53,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:15:53,843 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:15:53,843 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:15:53,843 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:15:53,843 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:15:53,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:15:53,843 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:15:53,843 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:15:53,843 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:15:53,843 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:15:53,843 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:15:53,843 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:53,844 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:15:53,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:15:53,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:15:53,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:15:53,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:15:53,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:15:53,844 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:15:53,844 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:53,844 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:15:53,844 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b 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 -> 3bc57c42fd552df471a50a3f823d776d12ae5a02a1da1686aaab749af4f270bf [2024-12-06 05:15:54,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:15:54,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:15:54,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:15:54,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:15:54,088 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:15:54,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i [2024-12-06 05:15:56,847 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/data/77c872281/022197427fe6496fa401d56de37ff8fa/FLAG9d0c5484f [2024-12-06 05:15:57,056 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:15:57,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i [2024-12-06 05:15:57,069 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/data/77c872281/022197427fe6496fa401d56de37ff8fa/FLAG9d0c5484f [2024-12-06 05:15:57,081 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/data/77c872281/022197427fe6496fa401d56de37ff8fa [2024-12-06 05:15:57,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:15:57,084 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:15:57,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:15:57,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:15:57,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:15:57,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:15:57" (1/1) ... [2024-12-06 05:15:57,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2825899e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:57, skipping insertion in model container [2024-12-06 05:15:57,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:15:57" (1/1) ... [2024-12-06 05:15:57,117 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:15:57,243 WARN L250 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_c0a2986d-efa7-4885-bafa-f798f8a995e2/sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i[949,962] [2024-12-06 05:15:57,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:15:57,395 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:15:57,404 WARN L250 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_c0a2986d-efa7-4885-bafa-f798f8a995e2/sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i[949,962] [2024-12-06 05:15:57,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:15:57,488 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:15:57,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:57 WrapperNode [2024-12-06 05:15:57,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:15:57,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:15:57,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:15:57,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:15:57,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:57" (1/1) ... [2024-12-06 05:15:57,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:57" (1/1) ... [2024-12-06 05:15:57,527 INFO L138 Inliner]: procedures = 177, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2024-12-06 05:15:57,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:15:57,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:15:57,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:15:57,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:15:57,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:57" (1/1) ... [2024-12-06 05:15:57,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:57" (1/1) ... [2024-12-06 05:15:57,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:57" (1/1) ... [2024-12-06 05:15:57,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:57" (1/1) ... [2024-12-06 05:15:57,548 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:57" (1/1) ... [2024-12-06 05:15:57,549 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:57" (1/1) ... [2024-12-06 05:15:57,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:57" (1/1) ... [2024-12-06 05:15:57,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:57" (1/1) ... [2024-12-06 05:15:57,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:57" (1/1) ... [2024-12-06 05:15:57,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:15:57,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:15:57,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:15:57,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:15:57,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:57" (1/1) ... [2024-12-06 05:15:57,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:15:57,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:15:57,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:15:57,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:15:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:15:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:15:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 05:15:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:15:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:15:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 05:15:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 05:15:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 05:15:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 05:15:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 05:15:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 05:15:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-06 05:15:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-06 05:15:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 05:15:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:15:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:15:57,619 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 05:15:57,747 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:15:57,749 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:15:58,047 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 05:15:58,048 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:15:58,184 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: ~x$r_buff1_thd0~0 := (if 0bv8 == ~x$r_buff0_thd0~0 then 0bv8 else 1bv8);~x$r_buff1_thd1~0 := (if 0bv8 == ~x$r_buff0_thd1~0 then 0bv8 else 1bv8);~x$r_buff1_thd2~0 := (if 0bv8 == ~x$r_buff0_thd2~0 then 0bv8 else 1bv8);~x$r_buff1_thd3~0 := (if 0bv8 == ~x$r_buff0_thd3~0 then 0bv8 else 1bv8);~x$r_buff1_thd4~0 := (if 0bv8 == ~x$r_buff0_thd4~0 then 0bv8 else 1bv8);~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:15:58,189 INFO L158 Benchmark]: Toolchain (without parser) took 1104.12ms. Allocated memory is still 92.3MB. Free memory was 67.3MB in the beginning and 48.6MB in the end (delta: 18.7MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-12-06 05:15:58,189 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:15:58,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.90ms. Allocated memory is still 92.3MB. Free memory was 67.1MB in the beginning and 42.7MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:15:58,190 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.56ms. Allocated memory is still 92.3MB. Free memory was 42.7MB in the beginning and 40.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:15:58,190 INFO L158 Benchmark]: Boogie Preprocessor took 26.73ms. Allocated memory is still 92.3MB. Free memory was 40.5MB in the beginning and 38.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:15:58,191 INFO L158 Benchmark]: RCFGBuilder took 631.75ms. Allocated memory is still 92.3MB. Free memory was 38.3MB in the beginning and 48.6MB in the end (delta: -10.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-12-06 05:15:58,193 INFO L338 ainManager$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 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.90ms. Allocated memory is still 92.3MB. Free memory was 67.1MB in the beginning and 42.7MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.56ms. Allocated memory is still 92.3MB. Free memory was 42.7MB in the beginning and 40.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.73ms. Allocated memory is still 92.3MB. Free memory was 40.5MB in the beginning and 38.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 631.75ms. Allocated memory is still 92.3MB. Free memory was 38.3MB in the beginning and 48.6MB in the end (delta: -10.3MB). Peak memory consumption was 14.2MB. 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: ~x$r_buff1_thd0~0 := (if 0bv8 == ~x$r_buff0_thd0~0 then 0bv8 else 1bv8);~x$r_buff1_thd1~0 := (if 0bv8 == ~x$r_buff0_thd1~0 then 0bv8 else 1bv8);~x$r_buff1_thd2~0 := (if 0bv8 == ~x$r_buff0_thd2~0 then 0bv8 else 1bv8);~x$r_buff1_thd3~0 := (if 0bv8 == ~x$r_buff0_thd3~0 then 0bv8 else 1bv8);~x$r_buff1_thd4~0 := (if 0bv8 == ~x$r_buff0_thd4~0 then 0bv8 else 1bv8);~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0bv8 == ~x$r_buff0_thd0~0 then 0bv8 else 1bv8);~x$r_buff1_thd1~0 := (if 0bv8 == ~x$r_buff0_thd1~0 then 0bv8 else 1bv8);~x$r_buff1_thd2~0 := (if 0bv8 == ~x$r_buff0_thd2~0 then 0bv8 else 1bv8);~x$r_buff1_thd3~0 := (if 0bv8 == ~x$r_buff0_thd3~0 then 0bv8 else 1bv8);~x$r_buff1_thd4~0 := (if 0bv8 == ~x$r_buff0_thd4~0 then 0bv8 else 1bv8);~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:15:58,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2986d-efa7-4885-bafa-f798f8a995e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0bv8 == ~x$r_buff0_thd0~0 then 0bv8 else 1bv8);~x$r_buff1_thd1~0 := (if 0bv8 == ~x$r_buff0_thd1~0 then 0bv8 else 1bv8);~x$r_buff1_thd2~0 := (if 0bv8 == ~x$r_buff0_thd2~0 then 0bv8 else 1bv8);~x$r_buff1_thd3~0 := (if 0bv8 == ~x$r_buff0_thd3~0 then 0bv8 else 1bv8);~x$r_buff1_thd4~0 := (if 0bv8 == ~x$r_buff0_thd4~0 then 0bv8 else 1bv8);~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?