./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe025_power.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_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe025_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3 --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 6b4ccd44d6ad5c937026f9c7e728382cb906c06e55c568dcdbddf828dfe89bc6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:58:10,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:58:10,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:58:10,540 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:58:10,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:58:10,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:58:10,567 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:58:10,567 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:58:10,568 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:58:10,568 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:58:10,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:58:10,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:58:10,568 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:58:10,568 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:58:10,569 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:58:10,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:58:10,569 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:58:10,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:58:10,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:58:10,569 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:58:10,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:58:10,569 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:58:10,569 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:58:10,569 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:58:10,570 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:58:10,570 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:58:10,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:58:10,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:58:10,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:58:10,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:58:10,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:58:10,571 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:58:10,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:58:10,571 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_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3 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 -> 6b4ccd44d6ad5c937026f9c7e728382cb906c06e55c568dcdbddf828dfe89bc6 [2024-11-25 04:58:10,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:58:10,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:58:10,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:58:10,866 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:58:10,867 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:58:10,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/pthread-wmm/safe025_power.i [2024-11-25 04:58:13,822 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/data/5eb6bc27b/17ef4616958c448b95997730c03e66b5/FLAGaa2e229fd [2024-11-25 04:58:14,283 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:58:14,286 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/sv-benchmarks/c/pthread-wmm/safe025_power.i [2024-11-25 04:58:14,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/data/5eb6bc27b/17ef4616958c448b95997730c03e66b5/FLAGaa2e229fd [2024-11-25 04:58:14,412 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/data/5eb6bc27b/17ef4616958c448b95997730c03e66b5 [2024-11-25 04:58:14,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:58:14,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:58:14,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:58:14,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:58:14,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:58:14,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:58:14" (1/1) ... [2024-11-25 04:58:14,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ece4ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:14, skipping insertion in model container [2024-11-25 04:58:14,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:58:14" (1/1) ... [2024-11-25 04:58:14,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:58:14,675 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_7fdf6f6f-9632-48b5-8f6f-9cd983218146/sv-benchmarks/c/pthread-wmm/safe025_power.i[990,1003] [2024-11-25 04:58:14,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:58:14,989 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:58:15,002 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_7fdf6f6f-9632-48b5-8f6f-9cd983218146/sv-benchmarks/c/pthread-wmm/safe025_power.i[990,1003] [2024-11-25 04:58:15,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:58:15,153 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:58:15,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:15 WrapperNode [2024-11-25 04:58:15,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:58:15,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:58:15,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:58:15,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:58:15,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:15" (1/1) ... [2024-11-25 04:58:15,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:15" (1/1) ... [2024-11-25 04:58:15,224 INFO L138 Inliner]: procedures = 175, calls = 74, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 154 [2024-11-25 04:58:15,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:58:15,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:58:15,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:58:15,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:58:15,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:15" (1/1) ... [2024-11-25 04:58:15,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:15" (1/1) ... [2024-11-25 04:58:15,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:15" (1/1) ... [2024-11-25 04:58:15,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:15" (1/1) ... [2024-11-25 04:58:15,267 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:15" (1/1) ... [2024-11-25 04:58:15,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:15" (1/1) ... [2024-11-25 04:58:15,275 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:15" (1/1) ... [2024-11-25 04:58:15,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:15" (1/1) ... [2024-11-25 04:58:15,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:15" (1/1) ... [2024-11-25 04:58:15,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:58:15,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:58:15,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:58:15,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:58:15,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:15" (1/1) ... [2024-11-25 04:58:15,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:58:15,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:58:15,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:58:15,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:58:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 04:58:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:58:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:58:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 04:58:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 04:58:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:58:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-25 04:58:15,372 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-25 04:58:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-25 04:58:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-25 04:58:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-25 04:58:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-25 04:58:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:58:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 04:58:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:58:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:58:15,375 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 04:58:15,589 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:58:15,592 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:58:16,349 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 04:58:16,350 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:58:16,935 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$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:58:16,944 INFO L158 Benchmark]: Toolchain (without parser) took 2524.10ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.1MB in the beginning and 277.6MB in the end (delta: -185.5MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2024-11-25 04:58:16,945 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:58:16,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 735.87ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 65.3MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:58:16,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.69ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 62.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:58:16,946 INFO L158 Benchmark]: Boogie Preprocessor took 61.51ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 59.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:58:16,946 INFO L158 Benchmark]: RCFGBuilder took 1644.96ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 59.9MB in the beginning and 277.6MB in the end (delta: -217.7MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-11-25 04:58:16,950 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 735.87ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 65.3MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.69ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 62.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.51ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 59.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1644.96ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 59.9MB in the beginning and 277.6MB in the end (delta: -217.7MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$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_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0 == ~x$r_buff0_thd0~0 % 256 then 0 else 1);~x$r_buff1_thd1~0 := (if 0 == ~x$r_buff0_thd1~0 % 256 then 0 else 1);~x$r_buff1_thd2~0 := (if 0 == ~x$r_buff0_thd2~0 % 256 then 0 else 1);~x$r_buff1_thd3~0 := (if 0 == ~x$r_buff0_thd3~0 % 256 then 0 else 1);~x$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:58:16,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe025_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3 --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 6b4ccd44d6ad5c937026f9c7e728382cb906c06e55c568dcdbddf828dfe89bc6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:58:19,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:58:19,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:58:19,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:58:19,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:58:19,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:58:19,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:58:19,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:58:19,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:58:19,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:58:19,702 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:58:19,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:58:19,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:58:19,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:58:19,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:58:19,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:58:19,703 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:58:19,703 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:58:19,703 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:58:19,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:58:19,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:58:19,704 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:58:19,704 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:58:19,704 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:58:19,704 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:58:19,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:58:19,704 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:19,704 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:58:19,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:58:19,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:58:19,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:58:19,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:58:19,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:58:19,706 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:58:19,706 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:19,706 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:58:19,706 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_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3 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 -> 6b4ccd44d6ad5c937026f9c7e728382cb906c06e55c568dcdbddf828dfe89bc6 [2024-11-25 04:58:20,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:58:20,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:58:20,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:58:20,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:58:20,020 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:58:20,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/pthread-wmm/safe025_power.i [2024-11-25 04:58:22,954 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/data/ec4e7b74e/e05d8a8cd33f46778ba670ba925e43b5/FLAGfe9e3ba5c [2024-11-25 04:58:23,305 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:58:23,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/sv-benchmarks/c/pthread-wmm/safe025_power.i [2024-11-25 04:58:23,322 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/data/ec4e7b74e/e05d8a8cd33f46778ba670ba925e43b5/FLAGfe9e3ba5c [2024-11-25 04:58:23,347 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/data/ec4e7b74e/e05d8a8cd33f46778ba670ba925e43b5 [2024-11-25 04:58:23,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:58:23,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:58:23,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:58:23,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:58:23,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:58:23,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:58:23" (1/1) ... [2024-11-25 04:58:23,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ccf82c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:23, skipping insertion in model container [2024-11-25 04:58:23,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:58:23" (1/1) ... [2024-11-25 04:58:23,423 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:58:23,626 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_7fdf6f6f-9632-48b5-8f6f-9cd983218146/sv-benchmarks/c/pthread-wmm/safe025_power.i[990,1003] [2024-11-25 04:58:23,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:58:23,958 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:58:23,970 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_7fdf6f6f-9632-48b5-8f6f-9cd983218146/sv-benchmarks/c/pthread-wmm/safe025_power.i[990,1003] [2024-11-25 04:58:24,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:58:24,073 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:58:24,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:24 WrapperNode [2024-11-25 04:58:24,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:58:24,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:58:24,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:58:24,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:58:24,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:24" (1/1) ... [2024-11-25 04:58:24,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:24" (1/1) ... [2024-11-25 04:58:24,127 INFO L138 Inliner]: procedures = 179, calls = 74, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 155 [2024-11-25 04:58:24,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:58:24,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:58:24,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:58:24,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:58:24,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:24" (1/1) ... [2024-11-25 04:58:24,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:24" (1/1) ... [2024-11-25 04:58:24,147 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:24" (1/1) ... [2024-11-25 04:58:24,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:24" (1/1) ... [2024-11-25 04:58:24,177 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:24" (1/1) ... [2024-11-25 04:58:24,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:24" (1/1) ... [2024-11-25 04:58:24,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:24" (1/1) ... [2024-11-25 04:58:24,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:24" (1/1) ... [2024-11-25 04:58:24,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:24" (1/1) ... [2024-11-25 04:58:24,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:58:24,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:58:24,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:58:24,199 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:58:24,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:24" (1/1) ... [2024-11-25 04:58:24,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:58:24,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:58:24,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:58:24,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:58:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 04:58:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:58:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:58:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 04:58:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:58:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 04:58:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:58:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-25 04:58:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-25 04:58:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-25 04:58:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-25 04:58:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-25 04:58:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-25 04:58:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-25 04:58:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 04:58:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:58:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:58:24,274 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 04:58:24,469 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:58:24,472 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:58:25,238 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 04:58:25,238 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:58:25,917 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_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:58:25,923 INFO L158 Benchmark]: Toolchain (without parser) took 2569.51ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 90.8MB in the beginning and 207.0MB in the end (delta: -116.2MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2024-11-25 04:58:25,924 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:58:25,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.42ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 63.7MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:58:25,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.22ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 61.2MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:58:25,925 INFO L158 Benchmark]: Boogie Preprocessor took 70.25ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 58.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:58:25,926 INFO L158 Benchmark]: RCFGBuilder took 1722.65ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 58.5MB in the beginning and 207.0MB in the end (delta: -148.5MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-11-25 04:58:25,928 INFO L338 ainManager$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 117.4MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 719.42ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 63.7MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.22ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 61.2MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.25ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 58.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1722.65ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 58.5MB in the beginning and 207.0MB in the end (delta: -148.5MB). Peak memory consumption was 28.1MB. 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$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0bv8 == ~x$r_buff0_thd0~0 then 0bv8 else 1bv8);~x$r_buff1_thd1~0 := (if 0bv8 == ~x$r_buff0_thd1~0 then 0bv8 else 1bv8);~x$r_buff1_thd2~0 := (if 0bv8 == ~x$r_buff0_thd2~0 then 0bv8 else 1bv8);~x$r_buff1_thd3~0 := (if 0bv8 == ~x$r_buff0_thd3~0 then 0bv8 else 1bv8);~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:58:25,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fdf6f6f-9632-48b5-8f6f-9cd983218146/bin/ukojak-verify-ENZ3QT5qd3/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_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?