./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix020.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/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_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix020.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/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_c913e59b-581f-4a63-831e-e6e650dc8fb6/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 035ec41aa2053cde8ee24830f9eb7cf444ea0c142ead33ef0c1fe95c3a7de39e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:25:52,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:25:52,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:25:52,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:25:52,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:25:52,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:25:52,251 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:25:52,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:25:52,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:25:52,257 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:25:52,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:25:52,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:25:52,259 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:25:52,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:25:52,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:25:52,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:25:52,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:25:52,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:25:52,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:25:52,270 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:25:52,271 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:25:52,271 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:25:52,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:25:52,272 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:25:52,273 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:25:52,273 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:25:52,273 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:25:52,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:25:52,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:52,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:25:52,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:25:52,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:25:52,277 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:25:52,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:25:52,278 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:25:52,278 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_c913e59b-581f-4a63-831e-e6e650dc8fb6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 035ec41aa2053cde8ee24830f9eb7cf444ea0c142ead33ef0c1fe95c3a7de39e [2023-11-19 03:25:52,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:25:52,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:25:52,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:25:52,651 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:25:52,652 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:25:52,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix020.oepc.i [2023-11-19 03:25:55,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:25:56,151 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:25:56,154 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/sv-benchmarks/c/pthread-wmm/mix020.oepc.i [2023-11-19 03:25:56,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/data/99203c0c4/950c74d34ed641aa9be0654312a9dfd6/FLAG2cfcaaab2 [2023-11-19 03:25:56,195 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/data/99203c0c4/950c74d34ed641aa9be0654312a9dfd6 [2023-11-19 03:25:56,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:25:56,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:25:56,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:56,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:25:56,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:25:56,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:56" (1/1) ... [2023-11-19 03:25:56,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f42d24b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:56, skipping insertion in model container [2023-11-19 03:25:56,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:56" (1/1) ... [2023-11-19 03:25:56,266 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:25:56,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:56,792 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:25:56,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:56,913 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:56,913 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:56,921 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:25:56,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:56 WrapperNode [2023-11-19 03:25:56,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:56,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:56,923 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:25:56,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:25:56,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:56" (1/1) ... [2023-11-19 03:25:56,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:56" (1/1) ... [2023-11-19 03:25:57,012 INFO L138 Inliner]: procedures = 177, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2023-11-19 03:25:57,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:57,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:25:57,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:25:57,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:25:57,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:56" (1/1) ... [2023-11-19 03:25:57,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:56" (1/1) ... [2023-11-19 03:25:57,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:56" (1/1) ... [2023-11-19 03:25:57,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:56" (1/1) ... [2023-11-19 03:25:57,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:56" (1/1) ... [2023-11-19 03:25:57,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:56" (1/1) ... [2023-11-19 03:25:57,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:56" (1/1) ... [2023-11-19 03:25:57,073 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:56" (1/1) ... [2023-11-19 03:25:57,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:25:57,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:25:57,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:25:57,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:25:57,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:56" (1/1) ... [2023-11-19 03:25:57,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:57,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:25:57,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:25:57,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:25:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:25:57,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:25:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:25:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:25:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:25:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:25:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:25:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 03:25:57,183 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 03:25:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 03:25:57,183 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 03:25:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 03:25:57,183 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 03:25:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 03:25:57,184 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 03:25:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:25:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:25:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:25:57,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:25:57,189 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 03:25:57,395 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:25:57,398 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:25:57,874 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:25:58,093 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:25:58,094 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:25:58,096 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: ~a$r_buff1_thd0~0 := ~a$r_buff0_thd0~0;~a$r_buff1_thd1~0 := ~a$r_buff0_thd1~0;~a$r_buff1_thd2~0 := ~a$r_buff0_thd2~0;~a$r_buff1_thd3~0 := ~a$r_buff0_thd3~0;~a$r_buff1_thd4~0 := ~a$r_buff0_thd4~0;~a$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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:25:58,101 INFO L158 Benchmark]: Toolchain (without parser) took 1896.98ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 83.7MB in the beginning and 99.4MB in the end (delta: -15.7MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2023-11-19 03:25:58,101 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 100.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:25:58,102 INFO L158 Benchmark]: CACSL2BoogieTranslator took 715.75ms. Allocated memory is still 130.0MB. Free memory was 83.7MB in the beginning and 59.2MB in the end (delta: 24.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:25:58,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.80ms. Allocated memory is still 130.0MB. Free memory was 59.2MB in the beginning and 57.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:25:58,103 INFO L158 Benchmark]: Boogie Preprocessor took 64.33ms. Allocated memory is still 130.0MB. Free memory was 57.0MB in the beginning and 55.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:25:58,104 INFO L158 Benchmark]: RCFGBuilder took 1020.64ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 55.0MB in the beginning and 99.4MB in the end (delta: -44.4MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-11-19 03:25:58,115 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 100.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 715.75ms. Allocated memory is still 130.0MB. Free memory was 83.7MB in the beginning and 59.2MB in the end (delta: 24.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.80ms. Allocated memory is still 130.0MB. Free memory was 59.2MB in the beginning and 57.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.33ms. Allocated memory is still 130.0MB. Free memory was 57.0MB in the beginning and 55.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1020.64ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 55.0MB in the beginning and 99.4MB in the end (delta: -44.4MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~a$r_buff1_thd0~0 := ~a$r_buff0_thd0~0;~a$r_buff1_thd1~0 := ~a$r_buff0_thd1~0;~a$r_buff1_thd2~0 := ~a$r_buff0_thd2~0;~a$r_buff1_thd3~0 := ~a$r_buff0_thd3~0;~a$r_buff1_thd4~0 := ~a$r_buff0_thd4~0;~a$r_buff0_thd1~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~a$r_buff1_thd0~0 := ~a$r_buff0_thd0~0;~a$r_buff1_thd1~0 := ~a$r_buff0_thd1~0;~a$r_buff1_thd2~0 := ~a$r_buff0_thd2~0;~a$r_buff1_thd3~0 := ~a$r_buff0_thd3~0;~a$r_buff1_thd4~0 := ~a$r_buff0_thd4~0;~a$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 03:25:58,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/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_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix020.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/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_c913e59b-581f-4a63-831e-e6e650dc8fb6/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 035ec41aa2053cde8ee24830f9eb7cf444ea0c142ead33ef0c1fe95c3a7de39e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:26:00,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:26:00,937 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:26:00,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:26:00,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:26:00,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:26:00,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:26:00,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:26:00,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:26:00,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:26:00,998 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:26:00,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:26:00,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:26:01,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:26:01,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:26:01,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:26:01,002 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:26:01,002 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:26:01,003 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:26:01,003 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:26:01,004 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:26:01,004 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:26:01,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:26:01,005 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:26:01,005 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:26:01,006 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:26:01,006 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:26:01,006 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:26:01,007 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:26:01,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:26:01,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:01,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:26:01,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:26:01,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:26:01,009 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:26:01,010 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:26:01,010 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:26:01,010 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:26:01,010 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:26:01,011 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_c913e59b-581f-4a63-831e-e6e650dc8fb6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 035ec41aa2053cde8ee24830f9eb7cf444ea0c142ead33ef0c1fe95c3a7de39e [2023-11-19 03:26:01,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:26:01,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:26:01,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:26:01,489 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:26:01,490 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:26:01,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix020.oepc.i [2023-11-19 03:26:04,867 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:26:05,202 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:26:05,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/sv-benchmarks/c/pthread-wmm/mix020.oepc.i [2023-11-19 03:26:05,223 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/data/72c03a208/b7042e6002024868b51aeeb69902512b/FLAG3c64a3fd4 [2023-11-19 03:26:05,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/data/72c03a208/b7042e6002024868b51aeeb69902512b [2023-11-19 03:26:05,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:26:05,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:26:05,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:05,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:26:05,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:26:05,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:05" (1/1) ... [2023-11-19 03:26:05,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e9bc9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:05, skipping insertion in model container [2023-11-19 03:26:05,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:05" (1/1) ... [2023-11-19 03:26:05,347 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:26:05,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:05,996 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:26:06,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:06,115 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:26:06,115 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:26:06,123 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:26:06,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:06 WrapperNode [2023-11-19 03:26:06,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:06,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:06,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:26:06,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:26:06,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:06" (1/1) ... [2023-11-19 03:26:06,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:06" (1/1) ... [2023-11-19 03:26:06,189 INFO L138 Inliner]: procedures = 180, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2023-11-19 03:26:06,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:06,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:26:06,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:26:06,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:26:06,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:06" (1/1) ... [2023-11-19 03:26:06,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:06" (1/1) ... [2023-11-19 03:26:06,225 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:06" (1/1) ... [2023-11-19 03:26:06,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:06" (1/1) ... [2023-11-19 03:26:06,252 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:06" (1/1) ... [2023-11-19 03:26:06,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:06" (1/1) ... [2023-11-19 03:26:06,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:06" (1/1) ... [2023-11-19 03:26:06,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:06" (1/1) ... [2023-11-19 03:26:06,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:26:06,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:26:06,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:26:06,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:26:06,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:06" (1/1) ... [2023-11-19 03:26:06,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:06,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:26:06,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:26:06,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:26:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:26:06,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:26:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:26:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:26:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:26:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:26:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:26:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:26:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 03:26:06,372 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 03:26:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 03:26:06,372 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 03:26:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 03:26:06,373 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 03:26:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 03:26:06,373 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 03:26:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:26:06,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:26:06,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:26:06,379 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 03:26:06,609 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:26:06,611 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:26:07,073 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:26:07,278 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:26:07,280 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:26:07,282 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: ~a$r_buff1_thd0~0 := ~a$r_buff0_thd0~0;~a$r_buff1_thd1~0 := ~a$r_buff0_thd1~0;~a$r_buff1_thd2~0 := ~a$r_buff0_thd2~0;~a$r_buff1_thd3~0 := ~a$r_buff0_thd3~0;~a$r_buff1_thd4~0 := ~a$r_buff0_thd4~0;~a$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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:26:07,288 INFO L158 Benchmark]: Toolchain (without parser) took 2028.85ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 47.6MB in the beginning and 70.6MB in the end (delta: -23.0MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2023-11-19 03:26:07,289 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:26:07,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 864.65ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 47.5MB in the beginning and 64.9MB in the end (delta: -17.5MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-11-19 03:26:07,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.46ms. Allocated memory is still 98.6MB. Free memory was 64.9MB in the beginning and 62.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:26:07,293 INFO L158 Benchmark]: Boogie Preprocessor took 97.38ms. Allocated memory is still 98.6MB. Free memory was 62.4MB in the beginning and 60.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:26:07,294 INFO L158 Benchmark]: RCFGBuilder took 997.90ms. Allocated memory is still 98.6MB. Free memory was 60.0MB in the beginning and 70.6MB in the end (delta: -10.7MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2023-11-19 03:26:07,302 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 864.65ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 47.5MB in the beginning and 64.9MB in the end (delta: -17.5MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.46ms. Allocated memory is still 98.6MB. Free memory was 64.9MB in the beginning and 62.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.38ms. Allocated memory is still 98.6MB. Free memory was 62.4MB in the beginning and 60.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 997.90ms. Allocated memory is still 98.6MB. Free memory was 60.0MB in the beginning and 70.6MB in the end (delta: -10.7MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~a$r_buff1_thd0~0 := ~a$r_buff0_thd0~0;~a$r_buff1_thd1~0 := ~a$r_buff0_thd1~0;~a$r_buff1_thd2~0 := ~a$r_buff0_thd2~0;~a$r_buff1_thd3~0 := ~a$r_buff0_thd3~0;~a$r_buff1_thd4~0 := ~a$r_buff0_thd4~0;~a$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~a$r_buff1_thd0~0 := ~a$r_buff0_thd0~0;~a$r_buff1_thd1~0 := ~a$r_buff0_thd1~0;~a$r_buff1_thd2~0 := ~a$r_buff0_thd2~0;~a$r_buff1_thd3~0 := ~a$r_buff0_thd3~0;~a$r_buff1_thd4~0 := ~a$r_buff0_thd4~0;~a$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 03:26:07,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c913e59b-581f-4a63-831e-e6e650dc8fb6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~a$r_buff1_thd0~0 := ~a$r_buff0_thd0~0;~a$r_buff1_thd1~0 := ~a$r_buff0_thd1~0;~a$r_buff1_thd2~0 := ~a$r_buff0_thd2~0;~a$r_buff1_thd3~0 := ~a$r_buff0_thd3~0;~a$r_buff1_thd4~0 := ~a$r_buff0_thd4~0;~a$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?