./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi010.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi010.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9 --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 582aea72bf150e6792f444cf029a22a25cb033a365b198fc215f246088fb4d39 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:26:31,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:26:31,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:26:31,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:26:31,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:26:31,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:26:31,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:26:31,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:26:31,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:26:31,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:26:31,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:26:31,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:26:31,671 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:26:31,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:26:31,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:26:31,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:26:31,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:26:31,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:26:31,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:26:31,675 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:26:31,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:26:31,676 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:26:31,677 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:26:31,677 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:26:31,678 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:26:31,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:26:31,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:26:31,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:26:31,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:26:31,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:26:31,681 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:26:31,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:26:31,682 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:26:31,682 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 582aea72bf150e6792f444cf029a22a25cb033a365b198fc215f246088fb4d39 [2023-12-03 00:26:31,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:26:31,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:26:31,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:26:31,914 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:26:31,914 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:26:31,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/rfi010.i [2023-12-03 00:26:34,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:26:34,893 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:26:34,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/sv-benchmarks/c/pthread-wmm/rfi010.i [2023-12-03 00:26:34,912 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/data/557b670ef/10b1e269031a4d34bbd8dee4cbd47db0/FLAGc8199dd8a [2023-12-03 00:26:34,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/data/557b670ef/10b1e269031a4d34bbd8dee4cbd47db0 [2023-12-03 00:26:34,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:26:34,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:26:34,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:26:34,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:26:34,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:26:34,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:26:34" (1/1) ... [2023-12-03 00:26:34,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eab713d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:34, skipping insertion in model container [2023-12-03 00:26:34,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:26:34" (1/1) ... [2023-12-03 00:26:35,003 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:26:35,164 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/sv-benchmarks/c/pthread-wmm/rfi010.i[983,996] [2023-12-03 00:26:35,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:26:35,413 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:26:35,427 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/sv-benchmarks/c/pthread-wmm/rfi010.i[983,996] [2023-12-03 00:26:35,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:26:35,514 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:26:35,514 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:26:35,523 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:26:35,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:35 WrapperNode [2023-12-03 00:26:35,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:26:35,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:26:35,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:26:35,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:26:35,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:35" (1/1) ... [2023-12-03 00:26:35,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:35" (1/1) ... [2023-12-03 00:26:35,580 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2023-12-03 00:26:35,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:26:35,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:26:35,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:26:35,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:26:35,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:35" (1/1) ... [2023-12-03 00:26:35,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:35" (1/1) ... [2023-12-03 00:26:35,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:35" (1/1) ... [2023-12-03 00:26:35,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:35" (1/1) ... [2023-12-03 00:26:35,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:35" (1/1) ... [2023-12-03 00:26:35,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:35" (1/1) ... [2023-12-03 00:26:35,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:35" (1/1) ... [2023-12-03 00:26:35,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:35" (1/1) ... [2023-12-03 00:26:35,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:26:35,622 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:26:35,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:26:35,622 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:26:35,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:35" (1/1) ... [2023-12-03 00:26:35,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:26:35,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:26:35,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:26:35,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:26:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:26:35,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:26:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:26:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 00:26:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:26:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:26:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:26:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-03 00:26:35,727 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-03 00:26:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-03 00:26:35,727 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-03 00:26:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:26:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 00:26:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:26:35,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:26:35,729 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 00:26:35,876 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:26:35,879 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:26:36,187 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:26:36,335 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: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:26:36,341 INFO L158 Benchmark]: Toolchain (without parser) took 1405.69ms. Allocated memory is still 151.0MB. Free memory was 108.5MB in the beginning and 87.8MB in the end (delta: 20.8MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2023-12-03 00:26:36,341 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 84.9MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:26:36,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.41ms. Allocated memory is still 151.0MB. Free memory was 108.1MB in the beginning and 84.6MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 00:26:36,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.76ms. Allocated memory is still 151.0MB. Free memory was 84.2MB in the beginning and 82.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:26:36,344 INFO L158 Benchmark]: Boogie Preprocessor took 39.55ms. Allocated memory is still 151.0MB. Free memory was 82.1MB in the beginning and 80.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:26:36,345 INFO L158 Benchmark]: RCFGBuilder took 716.73ms. Allocated memory is still 151.0MB. Free memory was 80.3MB in the beginning and 87.8MB in the end (delta: -7.4MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-12-03 00:26:36,348 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 84.9MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.41ms. Allocated memory is still 151.0MB. Free memory was 108.1MB in the beginning and 84.6MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.76ms. Allocated memory is still 151.0MB. Free memory was 84.2MB in the beginning and 82.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.55ms. Allocated memory is still 151.0MB. Free memory was 82.1MB in the beginning and 80.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 716.73ms. Allocated memory is still 151.0MB. Free memory was 80.3MB in the beginning and 87.8MB in the end (delta: -7.4MB). Peak memory consumption was 12.3MB. 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: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:26:36,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi010.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9 --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 582aea72bf150e6792f444cf029a22a25cb033a365b198fc215f246088fb4d39 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:26:38,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:26:38,629 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:26:38,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:26:38,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:26:38,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:26:38,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:26:38,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:26:38,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:26:38,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:26:38,671 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:26:38,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:26:38,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:26:38,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:26:38,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:26:38,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:26:38,675 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:26:38,675 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:26:38,676 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:26:38,676 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:26:38,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:26:38,678 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:26:38,678 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:26:38,679 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:26:38,679 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:26:38,680 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:38,681 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:26:38,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:26:38,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:26:38,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:26:38,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:26:38,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:26:38,684 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:26:38,684 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:38,685 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:26:38,685 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:26:38,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:26:38,685 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 582aea72bf150e6792f444cf029a22a25cb033a365b198fc215f246088fb4d39 [2023-12-03 00:26:38,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:26:38,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:26:38,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:26:38,999 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:26:38,999 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:26:39,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/rfi010.i [2023-12-03 00:26:41,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:26:42,097 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:26:42,098 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/sv-benchmarks/c/pthread-wmm/rfi010.i [2023-12-03 00:26:42,116 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/data/9ad6c53f0/fdc3c64287754275b2db36c04fab3645/FLAG23a2f81e2 [2023-12-03 00:26:42,132 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/data/9ad6c53f0/fdc3c64287754275b2db36c04fab3645 [2023-12-03 00:26:42,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:26:42,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:26:42,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:26:42,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:26:42,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:26:42,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:26:42" (1/1) ... [2023-12-03 00:26:42,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4761f664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:42, skipping insertion in model container [2023-12-03 00:26:42,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:26:42" (1/1) ... [2023-12-03 00:26:42,202 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:26:42,366 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/sv-benchmarks/c/pthread-wmm/rfi010.i[983,996] [2023-12-03 00:26:42,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:26:42,617 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:26:42,629 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/sv-benchmarks/c/pthread-wmm/rfi010.i[983,996] [2023-12-03 00:26:42,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:26:42,719 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:26:42,719 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:26:42,726 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:26:42,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:42 WrapperNode [2023-12-03 00:26:42,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:26:42,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:26:42,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:26:42,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:26:42,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:42" (1/1) ... [2023-12-03 00:26:42,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:42" (1/1) ... [2023-12-03 00:26:42,781 INFO L138 Inliner]: procedures = 178, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2023-12-03 00:26:42,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:26:42,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:26:42,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:26:42,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:26:42,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:42" (1/1) ... [2023-12-03 00:26:42,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:42" (1/1) ... [2023-12-03 00:26:42,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:42" (1/1) ... [2023-12-03 00:26:42,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:42" (1/1) ... [2023-12-03 00:26:42,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:42" (1/1) ... [2023-12-03 00:26:42,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:42" (1/1) ... [2023-12-03 00:26:42,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:42" (1/1) ... [2023-12-03 00:26:42,818 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:42" (1/1) ... [2023-12-03 00:26:42,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:26:42,825 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:26:42,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:26:42,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:26:42,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:42" (1/1) ... [2023-12-03 00:26:42,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:26:42,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:26:42,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:26:42,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:26:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:26:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:26:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 00:26:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:26:42,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:26:42,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:26:42,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:26:42,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:26:42,911 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-03 00:26:42,911 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-03 00:26:42,912 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-03 00:26:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-03 00:26:42,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 00:26:42,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:26:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:26:42,914 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 00:26:43,076 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:26:43,078 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:26:43,411 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:26:43,541 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: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:26:43,546 INFO L158 Benchmark]: Toolchain (without parser) took 1408.23ms. Allocated memory is still 90.2MB. Free memory was 65.4MB in the beginning and 41.6MB in the end (delta: 23.9MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2023-12-03 00:26:43,546 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:26:43,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.96ms. Allocated memory is still 90.2MB. Free memory was 65.2MB in the beginning and 64.0MB in the end (delta: 1.2MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-12-03 00:26:43,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.14ms. Allocated memory is still 90.2MB. Free memory was 64.0MB in the beginning and 61.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:26:43,548 INFO L158 Benchmark]: Boogie Preprocessor took 41.16ms. Allocated memory is still 90.2MB. Free memory was 61.8MB in the beginning and 59.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:26:43,549 INFO L158 Benchmark]: RCFGBuilder took 719.10ms. Allocated memory is still 90.2MB. Free memory was 59.1MB in the beginning and 41.6MB in the end (delta: 17.6MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2023-12-03 00:26:43,552 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 588.96ms. Allocated memory is still 90.2MB. Free memory was 65.2MB in the beginning and 64.0MB in the end (delta: 1.2MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.14ms. Allocated memory is still 90.2MB. Free memory was 64.0MB in the beginning and 61.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.16ms. Allocated memory is still 90.2MB. Free memory was 61.8MB in the beginning and 59.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 719.10ms. Allocated memory is still 90.2MB. Free memory was 59.1MB in the beginning and 41.6MB in the end (delta: 17.6MB). Peak memory consumption was 21.3MB. 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: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:26:43,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2fce99-5346-4726-a2d1-c17c4cf8e7c9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?