./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix039.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/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_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix039.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42c5ff0d69642601057eb29fc7d78b67af5ab0b43644460199f4561abe049d3b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:34:37,986 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:34:38,055 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:34:38,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:34:38,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:34:38,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:34:38,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:34:38,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:34:38,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:34:38,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:34:38,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:34:38,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:34:38,115 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:34:38,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:34:38,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:34:38,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:34:38,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:34:38,119 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:34:38,119 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:34:38,120 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:34:38,120 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:34:38,121 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:34:38,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:34:38,122 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:34:38,122 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:34:38,122 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:34:38,123 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:34:38,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:34:38,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:38,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:34:38,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:34:38,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:34:38,126 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:34:38,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:34:38,126 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:34:38,127 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_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42c5ff0d69642601057eb29fc7d78b67af5ab0b43644460199f4561abe049d3b [2023-11-19 03:34:38,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:34:38,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:34:38,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:34:38,525 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:34:38,526 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:34:38,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix039.oepc.i [2023-11-19 03:34:41,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:34:41,888 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:34:41,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/sv-benchmarks/c/pthread-wmm/mix039.oepc.i [2023-11-19 03:34:41,910 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/data/bde233587/2fafc7e1f38b4496998ddc01606de362/FLAG6b927f352 [2023-11-19 03:34:41,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/data/bde233587/2fafc7e1f38b4496998ddc01606de362 [2023-11-19 03:34:41,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:34:41,927 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:34:41,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:41,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:34:41,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:34:41,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:41" (1/1) ... [2023-11-19 03:34:41,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a65081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:41, skipping insertion in model container [2023-11-19 03:34:41,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:41" (1/1) ... [2023-11-19 03:34:41,999 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:34:42,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:42,471 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:34:42,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:42,621 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:42,621 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:42,627 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:34:42,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42 WrapperNode [2023-11-19 03:34:42,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:42,629 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:42,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:34:42,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:34:42,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,694 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2023-11-19 03:34:42,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:42,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:34:42,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:34:42,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:34:42,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:34:42,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:34:42,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:34:42,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:34:42,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:42" (1/1) ... [2023-11-19 03:34:42,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:42,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:34:42,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:34:42,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:34:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:34:42,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:34:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:34:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:34:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:34:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:34:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:34:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 03:34:42,864 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 03:34:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 03:34:42,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 03:34:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 03:34:42,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 03:34:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 03:34:42,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 03:34:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:34:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:34:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:34:42,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:34:42,876 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 03:34:43,032 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:34:43,034 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:34:43,419 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:34:43,657 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:34:43,657 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:34:43,659 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: ~b$r_buff1_thd0~0 := ~b$r_buff0_thd0~0;~b$r_buff1_thd1~0 := ~b$r_buff0_thd1~0;~b$r_buff1_thd2~0 := ~b$r_buff0_thd2~0;~b$r_buff1_thd3~0 := ~b$r_buff0_thd3~0;~b$r_buff1_thd4~0 := ~b$r_buff0_thd4~0;~b$r_buff0_thd1~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:34:43,664 INFO L158 Benchmark]: Toolchain (without parser) took 1735.52ms. Allocated memory is still 155.2MB. Free memory was 125.4MB in the beginning and 83.9MB in the end (delta: 41.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 03:34:43,665 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:43,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 699.40ms. Allocated memory is still 155.2MB. Free memory was 124.8MB in the beginning and 101.1MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:34:43,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.34ms. Allocated memory is still 155.2MB. Free memory was 101.1MB in the beginning and 98.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:43,668 INFO L158 Benchmark]: Boogie Preprocessor took 46.30ms. Allocated memory is still 155.2MB. Free memory was 98.3MB in the beginning and 96.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:43,669 INFO L158 Benchmark]: RCFGBuilder took 920.25ms. Allocated memory is still 155.2MB. Free memory was 96.2MB in the beginning and 83.9MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:34:43,673 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 699.40ms. Allocated memory is still 155.2MB. Free memory was 124.8MB in the beginning and 101.1MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.34ms. Allocated memory is still 155.2MB. Free memory was 101.1MB in the beginning and 98.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.30ms. Allocated memory is still 155.2MB. Free memory was 98.3MB in the beginning and 96.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 920.25ms. Allocated memory is still 155.2MB. Free memory was 96.2MB in the beginning and 83.9MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~b$r_buff1_thd0~0 := ~b$r_buff0_thd0~0;~b$r_buff1_thd1~0 := ~b$r_buff0_thd1~0;~b$r_buff1_thd2~0 := ~b$r_buff0_thd2~0;~b$r_buff1_thd3~0 := ~b$r_buff0_thd3~0;~b$r_buff1_thd4~0 := ~b$r_buff0_thd4~0;~b$r_buff0_thd1~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~b$r_buff1_thd0~0 := ~b$r_buff0_thd0~0;~b$r_buff1_thd1~0 := ~b$r_buff0_thd1~0;~b$r_buff1_thd2~0 := ~b$r_buff0_thd2~0;~b$r_buff1_thd3~0 := ~b$r_buff0_thd3~0;~b$r_buff1_thd4~0 := ~b$r_buff0_thd4~0;~b$r_buff0_thd1~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:34:43,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/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_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/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_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix039.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42c5ff0d69642601057eb29fc7d78b67af5ab0b43644460199f4561abe049d3b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:34:46,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:34:46,431 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:34:46,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:34:46,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:34:46,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:34:46,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:34:46,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:34:46,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:34:46,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:34:46,513 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:34:46,513 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:34:46,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:34:46,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:34:46,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:34:46,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:34:46,517 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:34:46,517 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:34:46,517 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:34:46,518 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:34:46,519 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:34:46,519 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:34:46,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:34:46,520 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:34:46,521 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:34:46,521 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:34:46,522 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:34:46,522 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:34:46,523 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:34:46,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:34:46,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:46,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:34:46,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:34:46,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:34:46,526 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:34:46,526 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:34:46,526 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:34:46,527 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:34:46,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:34:46,528 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_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42c5ff0d69642601057eb29fc7d78b67af5ab0b43644460199f4561abe049d3b [2023-11-19 03:34:46,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:34:46,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:34:46,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:34:46,933 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:34:46,934 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:34:46,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix039.oepc.i [2023-11-19 03:34:50,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:34:50,305 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:34:50,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/sv-benchmarks/c/pthread-wmm/mix039.oepc.i [2023-11-19 03:34:50,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/data/61f7a034b/e3538e4c23674c839f355d569bec0b16/FLAG6d7064fac [2023-11-19 03:34:50,373 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/data/61f7a034b/e3538e4c23674c839f355d569bec0b16 [2023-11-19 03:34:50,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:34:50,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:34:50,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:50,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:34:50,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:34:50,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:50" (1/1) ... [2023-11-19 03:34:50,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a9fb12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:50, skipping insertion in model container [2023-11-19 03:34:50,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:50" (1/1) ... [2023-11-19 03:34:50,477 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:34:51,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:51,062 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:34:51,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:51,178 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:51,178 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:51,186 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:34:51,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:51 WrapperNode [2023-11-19 03:34:51,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:51,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:51,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:34:51,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:34:51,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:51" (1/1) ... [2023-11-19 03:34:51,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:51" (1/1) ... [2023-11-19 03:34:51,243 INFO L138 Inliner]: procedures = 180, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2023-11-19 03:34:51,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:51,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:34:51,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:34:51,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:34:51,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:51" (1/1) ... [2023-11-19 03:34:51,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:51" (1/1) ... [2023-11-19 03:34:51,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:51" (1/1) ... [2023-11-19 03:34:51,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:51" (1/1) ... [2023-11-19 03:34:51,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:51" (1/1) ... [2023-11-19 03:34:51,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:51" (1/1) ... [2023-11-19 03:34:51,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:51" (1/1) ... [2023-11-19 03:34:51,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:51" (1/1) ... [2023-11-19 03:34:51,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:34:51,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:34:51,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:34:51,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:34:51,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:51" (1/1) ... [2023-11-19 03:34:51,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:51,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:34:51,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:34:51,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:34:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:34:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:34:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:34:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:34:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:34:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:34:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:34:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:34:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 03:34:51,384 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 03:34:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 03:34:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 03:34:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 03:34:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 03:34:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 03:34:51,387 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 03:34:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:34:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:34:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:34:51,390 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 03:34:51,587 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:34:51,590 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:34:52,073 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:34:52,287 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:34:52,288 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:34:52,290 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: ~b$r_buff1_thd0~0 := ~b$r_buff0_thd0~0;~b$r_buff1_thd1~0 := ~b$r_buff0_thd1~0;~b$r_buff1_thd2~0 := ~b$r_buff0_thd2~0;~b$r_buff1_thd3~0 := ~b$r_buff0_thd3~0;~b$r_buff1_thd4~0 := ~b$r_buff0_thd4~0;~b$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:34:52,297 INFO L158 Benchmark]: Toolchain (without parser) took 1914.73ms. Allocated memory is still 83.9MB. Free memory was 58.8MB in the beginning and 47.8MB in the end (delta: 11.0MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-19 03:34:52,297 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 56.6MB. Free memory was 33.1MB in the beginning and 33.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:52,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 802.34ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 52.1MB in the end (delta: 6.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-11-19 03:34:52,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.62ms. Allocated memory is still 83.9MB. Free memory was 52.1MB in the beginning and 49.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:52,300 INFO L158 Benchmark]: Boogie Preprocessor took 47.75ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 47.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:52,301 INFO L158 Benchmark]: RCFGBuilder took 1002.73ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 47.8MB in the end (delta: -651.3kB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-11-19 03:34:52,309 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 56.6MB. Free memory was 33.1MB in the beginning and 33.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 802.34ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 52.1MB in the end (delta: 6.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.62ms. Allocated memory is still 83.9MB. Free memory was 52.1MB in the beginning and 49.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.75ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 47.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1002.73ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 47.8MB in the end (delta: -651.3kB). Peak memory consumption was 17.4MB. 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: ~b$r_buff1_thd0~0 := ~b$r_buff0_thd0~0;~b$r_buff1_thd1~0 := ~b$r_buff0_thd1~0;~b$r_buff1_thd2~0 := ~b$r_buff0_thd2~0;~b$r_buff1_thd3~0 := ~b$r_buff0_thd3~0;~b$r_buff1_thd4~0 := ~b$r_buff0_thd4~0;~b$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~b$r_buff1_thd0~0 := ~b$r_buff0_thd0~0;~b$r_buff1_thd1~0 := ~b$r_buff0_thd1~0;~b$r_buff1_thd2~0 := ~b$r_buff0_thd2~0;~b$r_buff1_thd3~0 := ~b$r_buff0_thd3~0;~b$r_buff1_thd4~0 := ~b$r_buff0_thd4~0;~b$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:34:52,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2ebd0e-0aa0-4478-9254-2513edf0bf90/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: ~b$r_buff1_thd0~0 := ~b$r_buff0_thd0~0;~b$r_buff1_thd1~0 := ~b$r_buff0_thd1~0;~b$r_buff1_thd2~0 := ~b$r_buff0_thd2~0;~b$r_buff1_thd3~0 := ~b$r_buff0_thd3~0;~b$r_buff1_thd4~0 := ~b$r_buff0_thd4~0;~b$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?