./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe009_power.opt.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_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/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_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe009_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/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_612ce17a-15bc-4a89-8909-870716f5ffab/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 be536b3b382c4e63adbabc11deb06983f35dbd290b78e0d42f1a068990873986 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:20:15,440 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:20:15,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:20:15,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:20:15,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:20:15,521 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:20:15,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:20:15,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:20:15,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:20:15,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:20:15,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:20:15,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:20:15,523 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:20:15,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:20:15,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:20:15,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:20:15,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:20:15,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:20:15,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:20:15,524 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:20:15,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:20:15,524 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:20:15,524 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:20:15,524 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:20:15,524 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:20:15,524 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:20:15,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:20:15,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:20:15,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:20:15,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:20:15,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:20:15,525 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:20:15,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:20:15,525 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_612ce17a-15bc-4a89-8909-870716f5ffab/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 -> be536b3b382c4e63adbabc11deb06983f35dbd290b78e0d42f1a068990873986 [2024-12-05 23:20:15,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:20:15,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:20:15,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:20:15,765 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:20:15,765 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:20:15,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/safe009_power.opt.i [2024-12-05 23:20:18,414 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/data/e08279f69/221402eba12848ab92af40aa61f5d8be/FLAG4c0085b9d [2024-12-05 23:20:18,674 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:20:18,675 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i [2024-12-05 23:20:18,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/data/e08279f69/221402eba12848ab92af40aa61f5d8be/FLAG4c0085b9d [2024-12-05 23:20:18,704 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/data/e08279f69/221402eba12848ab92af40aa61f5d8be [2024-12-05 23:20:18,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:20:18,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:20:18,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:20:18,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:20:18,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:20:18,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:20:18" (1/1) ... [2024-12-05 23:20:18,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13fc5b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:18, skipping insertion in model container [2024-12-05 23:20:18,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:20:18" (1/1) ... [2024-12-05 23:20:18,744 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:20:18,883 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_612ce17a-15bc-4a89-8909-870716f5ffab/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i[951,964] [2024-12-05 23:20:19,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:20:19,035 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:20:19,045 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_612ce17a-15bc-4a89-8909-870716f5ffab/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i[951,964] [2024-12-05 23:20:19,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:20:19,128 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:20:19,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:19 WrapperNode [2024-12-05 23:20:19,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:20:19,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:20:19,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:20:19,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:20:19,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:19" (1/1) ... [2024-12-05 23:20:19,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:19" (1/1) ... [2024-12-05 23:20:19,166 INFO L138 Inliner]: procedures = 175, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 118 [2024-12-05 23:20:19,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:20:19,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:20:19,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:20:19,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:20:19,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:19" (1/1) ... [2024-12-05 23:20:19,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:19" (1/1) ... [2024-12-05 23:20:19,175 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:19" (1/1) ... [2024-12-05 23:20:19,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:19" (1/1) ... [2024-12-05 23:20:19,185 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:19" (1/1) ... [2024-12-05 23:20:19,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:19" (1/1) ... [2024-12-05 23:20:19,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:19" (1/1) ... [2024-12-05 23:20:19,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:19" (1/1) ... [2024-12-05 23:20:19,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:19" (1/1) ... [2024-12-05 23:20:19,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:20:19,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:20:19,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:20:19,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:20:19,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:19" (1/1) ... [2024-12-05 23:20:19,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:20:19,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:20:19,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:20:19,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:20:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 23:20:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:20:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:20:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 23:20:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 23:20:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:20:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-05 23:20:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-05 23:20:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-05 23:20:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-05 23:20:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-05 23:20:19,253 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-05 23:20:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:20:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 23:20:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:20:19,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:20:19,254 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 23:20:19,383 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:20:19,385 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:20:19,756 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 23:20:19,756 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:20:20,065 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$r_buff0_thd1~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2024-12-05 23:20:20,070 INFO L158 Benchmark]: Toolchain (without parser) took 1362.25ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 56.2MB in the end (delta: 61.6MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-12-05 23:20:20,071 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:20:20,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.21ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 93.2MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:20:20,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.99ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 91.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:20:20,072 INFO L158 Benchmark]: Boogie Preprocessor took 29.34ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 89.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:20:20,072 INFO L158 Benchmark]: RCFGBuilder took 871.96ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 56.2MB in the end (delta: 32.9MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-12-05 23:20:20,074 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.21ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 93.2MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.99ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 91.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.34ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 89.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 871.96ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 56.2MB in the end (delta: 32.9MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$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_buff0_thd1~0 := 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_buff0_thd1~0 := 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. [2024-12-05 23:20:20,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/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_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/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_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe009_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/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_612ce17a-15bc-4a89-8909-870716f5ffab/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 be536b3b382c4e63adbabc11deb06983f35dbd290b78e0d42f1a068990873986 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:20:21,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:20:22,051 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:20:22,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:20:22,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:20:22,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:20:22,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:20:22,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:20:22,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:20:22,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:20:22,078 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:20:22,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:20:22,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:20:22,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:20:22,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:20:22,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:20:22,078 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:20:22,079 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:20:22,079 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:20:22,079 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:20:22,079 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:20:22,079 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:20:22,079 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:20:22,079 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:20:22,079 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:20:22,079 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:20:22,079 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:22,079 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:20:22,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:20:22,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:20:22,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:20:22,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:20:22,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:20:22,080 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:20:22,080 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:22,080 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:20:22,080 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_612ce17a-15bc-4a89-8909-870716f5ffab/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 -> be536b3b382c4e63adbabc11deb06983f35dbd290b78e0d42f1a068990873986 [2024-12-05 23:20:22,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:20:22,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:20:22,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:20:22,318 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:20:22,319 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:20:22,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/safe009_power.opt.i [2024-12-05 23:20:24,975 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/data/c59ede487/b1e6feb36aba49878da94af42a2f29bb/FLAG7948311d9 [2024-12-05 23:20:25,193 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:20:25,193 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i [2024-12-05 23:20:25,206 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/data/c59ede487/b1e6feb36aba49878da94af42a2f29bb/FLAG7948311d9 [2024-12-05 23:20:25,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/data/c59ede487/b1e6feb36aba49878da94af42a2f29bb [2024-12-05 23:20:25,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:20:25,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:20:25,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:20:25,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:20:25,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:20:25,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:20:25" (1/1) ... [2024-12-05 23:20:25,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366d28ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:25, skipping insertion in model container [2024-12-05 23:20:25,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:20:25" (1/1) ... [2024-12-05 23:20:25,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:20:25,681 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_612ce17a-15bc-4a89-8909-870716f5ffab/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i[951,964] [2024-12-05 23:20:25,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:20:25,833 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:20:25,842 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_612ce17a-15bc-4a89-8909-870716f5ffab/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i[951,964] [2024-12-05 23:20:25,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:20:25,930 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:20:25,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:25 WrapperNode [2024-12-05 23:20:25,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:20:25,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:20:25,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:20:25,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:20:25,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:25" (1/1) ... [2024-12-05 23:20:25,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:25" (1/1) ... [2024-12-05 23:20:25,969 INFO L138 Inliner]: procedures = 179, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2024-12-05 23:20:25,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:20:25,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:20:25,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:20:25,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:20:25,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:25" (1/1) ... [2024-12-05 23:20:25,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:25" (1/1) ... [2024-12-05 23:20:25,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:25" (1/1) ... [2024-12-05 23:20:25,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:25" (1/1) ... [2024-12-05 23:20:25,991 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:25" (1/1) ... [2024-12-05 23:20:25,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:25" (1/1) ... [2024-12-05 23:20:25,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:25" (1/1) ... [2024-12-05 23:20:26,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:25" (1/1) ... [2024-12-05 23:20:26,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:25" (1/1) ... [2024-12-05 23:20:26,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:20:26,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:20:26,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:20:26,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:20:26,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:25" (1/1) ... [2024-12-05 23:20:26,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:20:26,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:20:26,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:20:26,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:20:26,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 23:20:26,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:20:26,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:20:26,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 23:20:26,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:20:26,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 23:20:26,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:20:26,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-05 23:20:26,070 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-05 23:20:26,070 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-05 23:20:26,070 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-05 23:20:26,070 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-05 23:20:26,070 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-05 23:20:26,070 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-05 23:20:26,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 23:20:26,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:20:26,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:20:26,071 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 23:20:26,197 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:20:26,198 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:20:26,623 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 23:20:26,623 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:20:26,979 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_buff0_thd1~0 := 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:20:26,984 INFO L158 Benchmark]: Toolchain (without parser) took 1461.46ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 67.7MB in the beginning and 85.4MB in the end (delta: -17.6MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2024-12-05 23:20:26,985 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:20:26,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.87ms. Allocated memory is still 92.3MB. Free memory was 67.5MB in the beginning and 42.7MB in the end (delta: 24.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:20:26,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.68ms. Allocated memory is still 92.3MB. Free memory was 42.7MB in the beginning and 40.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:20:26,986 INFO L158 Benchmark]: Boogie Preprocessor took 41.15ms. Allocated memory is still 92.3MB. Free memory was 40.5MB in the beginning and 67.6MB in the end (delta: -27.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-12-05 23:20:26,986 INFO L158 Benchmark]: RCFGBuilder took 970.74ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 67.6MB in the beginning and 85.4MB in the end (delta: -17.8MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2024-12-05 23:20:26,988 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.87ms. Allocated memory is still 92.3MB. Free memory was 67.5MB in the beginning and 42.7MB in the end (delta: 24.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.68ms. Allocated memory is still 92.3MB. Free memory was 42.7MB in the beginning and 40.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.15ms. Allocated memory is still 92.3MB. Free memory was 40.5MB in the beginning and 67.6MB in the end (delta: -27.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * RCFGBuilder took 970.74ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 67.6MB in the beginning and 85.4MB in the end (delta: -17.8MB). Peak memory consumption was 48.8MB. 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: ~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$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$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_buff0_thd1~0 := 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. [2024-12-05 23:20:27,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612ce17a-15bc-4a89-8909-870716f5ffab/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_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?