./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe008_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_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/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_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe008_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/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_3a0cd1ed-0a2c-435c-aba2-d37617815840/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 384baf663e8fa66fe4dacec773bc2c5acf71b0d621e6212d04013b3fa3b41d51 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:36:11,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:36:11,922 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:36:11,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:36:11,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:36:11,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:36:11,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:36:11,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:36:11,947 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:36:11,947 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:36:11,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:36:11,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:36:11,948 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:36:11,948 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:36:11,948 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:36:11,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:36:11,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:36:11,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:36:11,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:36:11,948 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:36:11,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:36:11,949 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:36:11,949 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:36:11,949 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:36:11,949 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:36:11,949 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:36:11,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:36:11,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:36:11,949 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:36:11,949 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:36:11,949 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:36:11,949 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:36:11,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:36:11,950 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_3a0cd1ed-0a2c-435c-aba2-d37617815840/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 -> 384baf663e8fa66fe4dacec773bc2c5acf71b0d621e6212d04013b3fa3b41d51 [2024-12-06 02:36:12,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:36:12,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:36:12,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:36:12,195 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:36:12,195 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:36:12,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/safe008_power.opt.i [2024-12-06 02:36:14,846 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/data/1e3decda9/4459fb360da5442daf6363d1534682ff/FLAGa5aa65b21 [2024-12-06 02:36:15,069 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:36:15,070 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/sv-benchmarks/c/pthread-wmm/safe008_power.opt.i [2024-12-06 02:36:15,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/data/1e3decda9/4459fb360da5442daf6363d1534682ff/FLAGa5aa65b21 [2024-12-06 02:36:15,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/data/1e3decda9/4459fb360da5442daf6363d1534682ff [2024-12-06 02:36:15,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:36:15,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:36:15,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:36:15,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:36:15,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:36:15,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:36:15" (1/1) ... [2024-12-06 02:36:15,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d91c5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:15, skipping insertion in model container [2024-12-06 02:36:15,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:36:15" (1/1) ... [2024-12-06 02:36:15,137 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:36:15,279 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_3a0cd1ed-0a2c-435c-aba2-d37617815840/sv-benchmarks/c/pthread-wmm/safe008_power.opt.i[951,964] [2024-12-06 02:36:15,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:36:15,437 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:36:15,446 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_3a0cd1ed-0a2c-435c-aba2-d37617815840/sv-benchmarks/c/pthread-wmm/safe008_power.opt.i[951,964] [2024-12-06 02:36:15,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:36:15,529 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:36:15,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:15 WrapperNode [2024-12-06 02:36:15,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:36:15,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:36:15,531 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:36:15,531 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:36:15,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:15" (1/1) ... [2024-12-06 02:36:15,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:15" (1/1) ... [2024-12-06 02:36:15,571 INFO L138 Inliner]: procedures = 175, calls = 61, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2024-12-06 02:36:15,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:36:15,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:36:15,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:36:15,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:36:15,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:15" (1/1) ... [2024-12-06 02:36:15,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:15" (1/1) ... [2024-12-06 02:36:15,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:15" (1/1) ... [2024-12-06 02:36:15,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:15" (1/1) ... [2024-12-06 02:36:15,590 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:15" (1/1) ... [2024-12-06 02:36:15,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:15" (1/1) ... [2024-12-06 02:36:15,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:15" (1/1) ... [2024-12-06 02:36:15,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:15" (1/1) ... [2024-12-06 02:36:15,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:15" (1/1) ... [2024-12-06 02:36:15,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:36:15,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:36:15,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:36:15,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:36:15,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:15" (1/1) ... [2024-12-06 02:36:15,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:36:15,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:36:15,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:36:15,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:36:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:36:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:36:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:36:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:36:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 02:36:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:36:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 02:36:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 02:36:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 02:36:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 02:36:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 02:36:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 02:36:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:36:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 02:36:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:36:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:36:15,658 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 02:36:15,786 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:36:15,787 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:36:16,164 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 02:36:16,165 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:36:16,478 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) [2024-12-06 02:36:16,483 INFO L158 Benchmark]: Toolchain (without parser) took 1382.07ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 62.6MB in the end (delta: 53.4MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2024-12-06 02:36:16,483 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:16,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.75ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 91.3MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 02:36:16,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.45ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 89.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:16,484 INFO L158 Benchmark]: Boogie Preprocessor took 26.04ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 87.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:16,485 INFO L158 Benchmark]: RCFGBuilder took 883.09ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 62.6MB in the end (delta: 24.6MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-12-06 02:36:16,487 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.75ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 91.3MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.45ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 89.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.04ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 87.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 883.09ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 62.6MB in the end (delta: 24.6MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$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. [2024-12-06 02:36:16,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/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_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/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_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe008_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/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_3a0cd1ed-0a2c-435c-aba2-d37617815840/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 384baf663e8fa66fe4dacec773bc2c5acf71b0d621e6212d04013b3fa3b41d51 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:36:18,440 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:36:18,520 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:36:18,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:36:18,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:36:18,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:36:18,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:36:18,545 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:36:18,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:36:18,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:36:18,546 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:36:18,546 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:36:18,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:36:18,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:36:18,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:36:18,546 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:36:18,546 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:36:18,547 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:36:18,547 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:36:18,547 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:36:18,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:36:18,547 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:36:18,547 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:36:18,547 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:36:18,547 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:36:18,547 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:36:18,548 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:18,548 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:36:18,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:36:18,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:36:18,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:36:18,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:36:18,548 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:36:18,548 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:36:18,548 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:18,548 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:36:18,549 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_3a0cd1ed-0a2c-435c-aba2-d37617815840/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 -> 384baf663e8fa66fe4dacec773bc2c5acf71b0d621e6212d04013b3fa3b41d51 [2024-12-06 02:36:18,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:36:18,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:36:18,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:36:18,780 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:36:18,780 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:36:18,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/safe008_power.opt.i [2024-12-06 02:36:21,542 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/data/c207d0741/486ba2b585df46d9a0f440488d5f4cee/FLAG16dfc7d85 [2024-12-06 02:36:21,783 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:36:21,784 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/sv-benchmarks/c/pthread-wmm/safe008_power.opt.i [2024-12-06 02:36:21,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/data/c207d0741/486ba2b585df46d9a0f440488d5f4cee/FLAG16dfc7d85 [2024-12-06 02:36:22,109 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/data/c207d0741/486ba2b585df46d9a0f440488d5f4cee [2024-12-06 02:36:22,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:36:22,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:36:22,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:36:22,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:36:22,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:36:22,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:36:22" (1/1) ... [2024-12-06 02:36:22,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db25d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:22, skipping insertion in model container [2024-12-06 02:36:22,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:36:22" (1/1) ... [2024-12-06 02:36:22,153 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:36:22,256 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_3a0cd1ed-0a2c-435c-aba2-d37617815840/sv-benchmarks/c/pthread-wmm/safe008_power.opt.i[951,964] [2024-12-06 02:36:22,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:36:22,414 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:36:22,424 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_3a0cd1ed-0a2c-435c-aba2-d37617815840/sv-benchmarks/c/pthread-wmm/safe008_power.opt.i[951,964] [2024-12-06 02:36:22,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:36:22,507 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:36:22,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:22 WrapperNode [2024-12-06 02:36:22,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:36:22,508 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:36:22,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:36:22,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:36:22,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:22" (1/1) ... [2024-12-06 02:36:22,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:22" (1/1) ... [2024-12-06 02:36:22,547 INFO L138 Inliner]: procedures = 179, calls = 61, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2024-12-06 02:36:22,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:36:22,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:36:22,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:36:22,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:36:22,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:22" (1/1) ... [2024-12-06 02:36:22,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:22" (1/1) ... [2024-12-06 02:36:22,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:22" (1/1) ... [2024-12-06 02:36:22,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:22" (1/1) ... [2024-12-06 02:36:22,569 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:22" (1/1) ... [2024-12-06 02:36:22,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:22" (1/1) ... [2024-12-06 02:36:22,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:22" (1/1) ... [2024-12-06 02:36:22,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:22" (1/1) ... [2024-12-06 02:36:22,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:22" (1/1) ... [2024-12-06 02:36:22,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:36:22,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:36:22,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:36:22,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:36:22,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:22" (1/1) ... [2024-12-06 02:36:22,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:36:22,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:36:22,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:36:22,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:36:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 02:36:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:36:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:36:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 02:36:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:36:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 02:36:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:36:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 02:36:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 02:36:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 02:36:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 02:36:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 02:36:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 02:36:22,642 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 02:36:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 02:36:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:36:22,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:36:22,643 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 02:36:22,773 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:36:22,774 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:36:23,195 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 02:36:23,195 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:36:23,523 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 02:36:23,529 INFO L158 Benchmark]: Toolchain (without parser) took 1414.95ms. Allocated memory is still 92.3MB. Free memory was 68.9MB in the beginning and 37.4MB in the end (delta: 31.4MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2024-12-06 02:36:23,529 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:23,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.76ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 43.8MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 02:36:23,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.90ms. Allocated memory is still 92.3MB. Free memory was 43.8MB in the beginning and 41.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:23,530 INFO L158 Benchmark]: Boogie Preprocessor took 36.48ms. Allocated memory is still 92.3MB. Free memory was 41.7MB in the beginning and 68.8MB in the end (delta: -27.2MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-12-06 02:36:23,530 INFO L158 Benchmark]: RCFGBuilder took 942.18ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 38.1MB in the end (delta: 30.7MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2024-12-06 02:36:23,532 INFO L338 ainManager$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 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.76ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 43.8MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.90ms. Allocated memory is still 92.3MB. Free memory was 43.8MB in the beginning and 41.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.48ms. Allocated memory is still 92.3MB. Free memory was 41.7MB in the beginning and 68.8MB in the end (delta: -27.2MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * RCFGBuilder took 942.18ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 38.1MB in the end (delta: 30.7MB). Peak memory consumption was 48.6MB. 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. [2024-12-06 02:36:23,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0cd1ed-0a2c-435c-aba2-d37617815840/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?