./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi002_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi002_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL --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 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:49:00,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:49:00,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:49:00,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:49:00,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:49:00,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:49:00,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:49:00,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:49:00,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:49:00,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:49:00,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:49:00,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:49:00,846 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:49:00,847 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:49:00,847 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:49:00,848 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:49:00,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:49:00,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:49:00,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:49:00,850 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:49:00,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:49:00,853 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:49:00,853 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:49:00,854 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:49:00,854 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:49:00,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:49:00,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:00,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:49:00,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:49:00,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:49:00,860 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:49:00,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:49:00,861 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:49:00,861 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_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a [2023-11-19 02:49:01,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:49:01,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:49:01,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:49:01,148 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:49:01,149 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:49:01,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2023-11-19 02:49:04,315 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:49:04,630 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:49:04,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2023-11-19 02:49:04,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/data/890c6d544/e49ab67eb76348e8b6a36dbb4e361e6a/FLAG9876190d7 [2023-11-19 02:49:04,676 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/data/890c6d544/e49ab67eb76348e8b6a36dbb4e361e6a [2023-11-19 02:49:04,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:49:04,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:49:04,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:04,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:49:04,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:49:04,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:04" (1/1) ... [2023-11-19 02:49:04,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23fb6611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:04, skipping insertion in model container [2023-11-19 02:49:04,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:04" (1/1) ... [2023-11-19 02:49:04,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:49:04,931 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_8a6b159d-d1f0-4986-aebe-c0f001907463/sv-benchmarks/c/pthread-wmm/rfi002_tso.i[987,1000] [2023-11-19 02:49:05,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:05,283 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:49:05,304 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_8a6b159d-d1f0-4986-aebe-c0f001907463/sv-benchmarks/c/pthread-wmm/rfi002_tso.i[987,1000] [2023-11-19 02:49:05,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:05,422 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:49:05,423 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:49:05,431 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:49:05,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:05 WrapperNode [2023-11-19 02:49:05,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:05,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:05,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:49:05,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:49:05,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:05" (1/1) ... [2023-11-19 02:49:05,460 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:05" (1/1) ... [2023-11-19 02:49:05,489 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-19 02:49:05,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:05,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:49:05,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:49:05,490 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:49:05,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:05" (1/1) ... [2023-11-19 02:49:05,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:05" (1/1) ... [2023-11-19 02:49:05,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:05" (1/1) ... [2023-11-19 02:49:05,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:05" (1/1) ... [2023-11-19 02:49:05,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:05" (1/1) ... [2023-11-19 02:49:05,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:05" (1/1) ... [2023-11-19 02:49:05,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:05" (1/1) ... [2023-11-19 02:49:05,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:05" (1/1) ... [2023-11-19 02:49:05,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:49:05,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:49:05,545 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:49:05,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:49:05,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:05" (1/1) ... [2023-11-19 02:49:05,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:05,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:49:05,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:49:05,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:49:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:49:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:49:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:49:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:49:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:49:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:49:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:49:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 02:49:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 02:49:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 02:49:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 02:49:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:49:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:49:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:49:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:49:05,628 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 02:49:05,821 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:49:05,825 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:49:06,295 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:49:06,616 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:49:06,617 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:49:06,619 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 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 02:49:06,624 INFO L158 Benchmark]: Toolchain (without parser) took 1941.26ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 98.7MB in the end (delta: -104.9kB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2023-11-19 02:49:06,624 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:06,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 748.79ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 108.9MB in the end (delta: -10.3MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2023-11-19 02:49:06,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.92ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 106.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:49:06,627 INFO L158 Benchmark]: Boogie Preprocessor took 54.33ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 103.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:49:06,629 INFO L158 Benchmark]: RCFGBuilder took 1076.81ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 98.7MB in the end (delta: 5.2MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2023-11-19 02:49:06,633 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 748.79ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 108.9MB in the end (delta: -10.3MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.92ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 106.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.33ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 103.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1076.81ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 98.7MB in the end (delta: 5.2MB). Peak memory consumption was 60.4MB. 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$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~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 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:49:06,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi002_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL --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 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:49:09,340 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:49:09,411 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:49:09,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:49:09,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:49:09,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:49:09,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:49:09,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:49:09,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:49:09,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:49:09,459 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:49:09,460 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:49:09,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:49:09,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:49:09,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:49:09,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:49:09,463 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:49:09,464 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:49:09,465 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:49:09,465 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:49:09,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:49:09,467 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:49:09,467 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:49:09,468 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:49:09,468 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:49:09,469 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:49:09,470 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:49:09,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:49:09,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:09,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:49:09,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:49:09,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:49:09,473 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:49:09,474 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:49:09,474 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:49:09,475 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:49:09,475 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:49:09,475 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_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a [2023-11-19 02:49:09,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:49:09,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:49:09,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:49:09,937 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:49:09,938 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:49:09,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2023-11-19 02:49:13,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:49:13,449 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:49:13,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2023-11-19 02:49:13,467 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/data/cd04ffd06/a97672e537f54fa99c9d9e705aac5141/FLAGa75185f83 [2023-11-19 02:49:13,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/data/cd04ffd06/a97672e537f54fa99c9d9e705aac5141 [2023-11-19 02:49:13,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:49:13,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:49:13,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:13,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:49:13,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:49:13,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:13" (1/1) ... [2023-11-19 02:49:13,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bd52b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:13, skipping insertion in model container [2023-11-19 02:49:13,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:13" (1/1) ... [2023-11-19 02:49:13,570 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:49:13,798 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_8a6b159d-d1f0-4986-aebe-c0f001907463/sv-benchmarks/c/pthread-wmm/rfi002_tso.i[987,1000] [2023-11-19 02:49:14,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:14,132 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:49:14,145 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_8a6b159d-d1f0-4986-aebe-c0f001907463/sv-benchmarks/c/pthread-wmm/rfi002_tso.i[987,1000] [2023-11-19 02:49:14,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:14,285 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:49:14,285 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:49:14,293 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:49:14,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:14 WrapperNode [2023-11-19 02:49:14,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:14,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:14,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:49:14,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:49:14,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:14" (1/1) ... [2023-11-19 02:49:14,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:14" (1/1) ... [2023-11-19 02:49:14,391 INFO L138 Inliner]: procedures = 178, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2023-11-19 02:49:14,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:14,392 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:49:14,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:49:14,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:49:14,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:14" (1/1) ... [2023-11-19 02:49:14,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:14" (1/1) ... [2023-11-19 02:49:14,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:14" (1/1) ... [2023-11-19 02:49:14,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:14" (1/1) ... [2023-11-19 02:49:14,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:14" (1/1) ... [2023-11-19 02:49:14,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:14" (1/1) ... [2023-11-19 02:49:14,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:14" (1/1) ... [2023-11-19 02:49:14,492 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:14" (1/1) ... [2023-11-19 02:49:14,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:49:14,498 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:49:14,498 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:49:14,499 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:49:14,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:14" (1/1) ... [2023-11-19 02:49:14,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:14,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:49:14,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:49:14,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:49:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:49:14,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:49:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:49:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:49:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:49:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:49:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:49:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:49:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 02:49:14,588 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 02:49:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 02:49:14,588 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 02:49:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:49:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:49:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:49:14,592 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 02:49:14,774 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:49:14,777 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:49:15,309 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:49:15,620 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:49:15,620 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:49:15,623 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 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 02:49:15,630 INFO L158 Benchmark]: Toolchain (without parser) took 2136.73ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 48.2MB in the beginning and 61.1MB in the end (delta: -12.9MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2023-11-19 02:49:15,632 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:15,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 800.94ms. Allocated memory is still 73.4MB. Free memory was 48.0MB in the beginning and 37.1MB in the end (delta: 10.9MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2023-11-19 02:49:15,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.50ms. Allocated memory is still 73.4MB. Free memory was 37.1MB in the beginning and 34.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:49:15,634 INFO L158 Benchmark]: Boogie Preprocessor took 105.34ms. Allocated memory is still 73.4MB. Free memory was 34.3MB in the beginning and 50.9MB in the end (delta: -16.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-11-19 02:49:15,636 INFO L158 Benchmark]: RCFGBuilder took 1129.39ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 50.9MB in the beginning and 61.3MB in the end (delta: -10.4MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2023-11-19 02:49:15,645 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 800.94ms. Allocated memory is still 73.4MB. Free memory was 48.0MB in the beginning and 37.1MB in the end (delta: 10.9MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.50ms. Allocated memory is still 73.4MB. Free memory was 37.1MB in the beginning and 34.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.34ms. Allocated memory is still 73.4MB. Free memory was 34.3MB in the beginning and 50.9MB in the end (delta: -16.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1129.39ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 50.9MB in the beginning and 61.3MB in the end (delta: -10.4MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~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 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:49:15,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6b159d-d1f0-4986-aebe-c0f001907463/bin/ukojak-verify-G8NBE6pJGL/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: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?