./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix046.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_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/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_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix046.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/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_c6764ac0-ec62-45a1-9423-e83d83cb48d0/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 0c2da3652c054af11b47a99e37d3ddb516e4f65f65f3696b960347af3ebf57e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:31:01,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:31:01,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:31:01,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:31:01,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:31:01,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:31:01,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:31:01,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:31:01,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:31:01,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:31:01,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:31:01,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:31:01,239 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:31:01,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:31:01,241 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:31:01,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:31:01,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:31:01,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:31:01,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:31:01,243 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:31:01,243 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:31:01,244 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:31:01,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:31:01,245 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:31:01,245 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:31:01,246 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:31:01,246 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:31:01,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:31:01,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:31:01,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:31:01,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:31:01,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:31:01,250 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:31:01,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:31:01,250 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:31:01,251 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_c6764ac0-ec62-45a1-9423-e83d83cb48d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c2da3652c054af11b47a99e37d3ddb516e4f65f65f3696b960347af3ebf57e8 [2023-11-19 03:31:01,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:31:01,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:31:01,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:31:01,626 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:31:01,627 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:31:01,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix046.oepc.i [2023-11-19 03:31:04,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:31:05,191 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:31:05,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/sv-benchmarks/c/pthread-wmm/mix046.oepc.i [2023-11-19 03:31:05,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/data/f8384a99d/c44104b51cf940ff9d5ccf6f89b21771/FLAG6ba05b03f [2023-11-19 03:31:05,231 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/data/f8384a99d/c44104b51cf940ff9d5ccf6f89b21771 [2023-11-19 03:31:05,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:31:05,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:31:05,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:31:05,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:31:05,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:31:05,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:31:05" (1/1) ... [2023-11-19 03:31:05,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@189fa5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:05, skipping insertion in model container [2023-11-19 03:31:05,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:31:05" (1/1) ... [2023-11-19 03:31:05,294 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:31:05,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:31:05,780 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:31:05,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:31:05,980 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:31:05,980 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:31:05,989 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:31:05,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:05 WrapperNode [2023-11-19 03:31:05,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:31:05,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:31:05,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:31:05,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:31:06,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:05" (1/1) ... [2023-11-19 03:31:06,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:05" (1/1) ... [2023-11-19 03:31:06,088 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2023-11-19 03:31:06,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:31:06,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:31:06,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:31:06,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:31:06,100 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:05" (1/1) ... [2023-11-19 03:31:06,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:05" (1/1) ... [2023-11-19 03:31:06,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:05" (1/1) ... [2023-11-19 03:31:06,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:05" (1/1) ... [2023-11-19 03:31:06,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:05" (1/1) ... [2023-11-19 03:31:06,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:05" (1/1) ... [2023-11-19 03:31:06,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:05" (1/1) ... [2023-11-19 03:31:06,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:05" (1/1) ... [2023-11-19 03:31:06,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:31:06,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:31:06,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:31:06,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:31:06,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:05" (1/1) ... [2023-11-19 03:31:06,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:31:06,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:31:06,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:31:06,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:31:06,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:31:06,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:31:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:31:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:31:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:31:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:31:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:31:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 03:31:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 03:31:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 03:31:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 03:31:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 03:31:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 03:31:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 03:31:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 03:31:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:31:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:31:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:31:06,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:31:06,269 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 03:31:06,473 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:31:06,476 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:31:06,919 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:31:07,154 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:31:07,155 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:31:07,157 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:31:07,164 INFO L158 Benchmark]: Toolchain (without parser) took 1927.79ms. Allocated memory is still 132.1MB. Free memory was 85.7MB in the beginning and 54.7MB in the end (delta: 31.0MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2023-11-19 03:31:07,165 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:31:07,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 753.85ms. Allocated memory is still 132.1MB. Free memory was 85.4MB in the beginning and 100.7MB in the end (delta: -15.3MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2023-11-19 03:31:07,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.10ms. Allocated memory is still 132.1MB. Free memory was 100.7MB in the beginning and 98.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:31:07,168 INFO L158 Benchmark]: Boogie Preprocessor took 70.35ms. Allocated memory is still 132.1MB. Free memory was 98.2MB in the beginning and 96.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:31:07,169 INFO L158 Benchmark]: RCFGBuilder took 1000.90ms. Allocated memory is still 132.1MB. Free memory was 96.0MB in the beginning and 54.7MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 03:31:07,173 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 753.85ms. Allocated memory is still 132.1MB. Free memory was 85.4MB in the beginning and 100.7MB in the end (delta: -15.3MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.10ms. Allocated memory is still 132.1MB. Free memory was 100.7MB in the beginning and 98.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.35ms. Allocated memory is still 132.1MB. Free memory was 98.2MB in the beginning and 96.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1000.90ms. Allocated memory is still 132.1MB. Free memory was 96.0MB in the beginning and 54.7MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. 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 03:31:07,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/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_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/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_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix046.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/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_c6764ac0-ec62-45a1-9423-e83d83cb48d0/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 0c2da3652c054af11b47a99e37d3ddb516e4f65f65f3696b960347af3ebf57e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:31:09,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:31:10,072 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:31:10,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:31:10,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:31:10,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:31:10,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:31:10,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:31:10,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:31:10,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:31:10,155 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:31:10,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:31:10,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:31:10,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:31:10,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:31:10,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:31:10,159 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:31:10,160 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:31:10,160 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:31:10,162 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:31:10,162 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:31:10,163 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:31:10,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:31:10,164 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:31:10,164 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:31:10,165 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:31:10,165 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:31:10,165 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:31:10,166 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:31:10,166 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:31:10,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:31:10,168 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:31:10,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:31:10,169 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:31:10,170 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:31:10,170 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:31:10,170 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:31:10,170 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:31:10,171 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:31:10,172 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_c6764ac0-ec62-45a1-9423-e83d83cb48d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c2da3652c054af11b47a99e37d3ddb516e4f65f65f3696b960347af3ebf57e8 [2023-11-19 03:31:10,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:31:10,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:31:10,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:31:10,639 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:31:10,639 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:31:10,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix046.oepc.i [2023-11-19 03:31:13,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:31:14,371 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:31:14,372 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/sv-benchmarks/c/pthread-wmm/mix046.oepc.i [2023-11-19 03:31:14,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/data/1eecf6a94/4a33951a9d3348e7b153a72e9c6d0ec0/FLAGf87a412e3 [2023-11-19 03:31:14,407 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/data/1eecf6a94/4a33951a9d3348e7b153a72e9c6d0ec0 [2023-11-19 03:31:14,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:31:14,411 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:31:14,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:31:14,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:31:14,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:31:14,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:31:14" (1/1) ... [2023-11-19 03:31:14,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e6701ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:14, skipping insertion in model container [2023-11-19 03:31:14,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:31:14" (1/1) ... [2023-11-19 03:31:14,505 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:31:14,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:31:14,936 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:31:15,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:31:15,099 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:31:15,099 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:31:15,108 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:31:15,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:15 WrapperNode [2023-11-19 03:31:15,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:31:15,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:31:15,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:31:15,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:31:15,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:15" (1/1) ... [2023-11-19 03:31:15,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:15" (1/1) ... [2023-11-19 03:31:15,217 INFO L138 Inliner]: procedures = 180, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2023-11-19 03:31:15,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:31:15,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:31:15,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:31:15,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:31:15,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:15" (1/1) ... [2023-11-19 03:31:15,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:15" (1/1) ... [2023-11-19 03:31:15,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:15" (1/1) ... [2023-11-19 03:31:15,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:15" (1/1) ... [2023-11-19 03:31:15,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:15" (1/1) ... [2023-11-19 03:31:15,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:15" (1/1) ... [2023-11-19 03:31:15,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:15" (1/1) ... [2023-11-19 03:31:15,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:15" (1/1) ... [2023-11-19 03:31:15,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:31:15,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:31:15,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:31:15,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:31:15,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:15" (1/1) ... [2023-11-19 03:31:15,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:31:15,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:31:15,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:31:15,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:31:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:31:15,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:31:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:31:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:31:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:31:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:31:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:31:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:31:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 03:31:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 03:31:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 03:31:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 03:31:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 03:31:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 03:31:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 03:31:15,427 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 03:31:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:31:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:31:15,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:31:15,429 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 03:31:15,633 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:31:15,636 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:31:16,246 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:31:16,444 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:31:16,444 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:31:16,446 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:31:16,455 INFO L158 Benchmark]: Toolchain (without parser) took 2042.18ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 53.3MB in the beginning and 66.1MB in the end (delta: -12.9MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2023-11-19 03:31:16,455 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 77.6MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:31:16,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 696.58ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 51.5MB in the end (delta: 1.8MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2023-11-19 03:31:16,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.60ms. Allocated memory is still 77.6MB. Free memory was 51.5MB in the beginning and 49.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:31:16,459 INFO L158 Benchmark]: Boogie Preprocessor took 105.58ms. Allocated memory is still 77.6MB. Free memory was 49.1MB in the beginning and 46.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:31:16,460 INFO L158 Benchmark]: RCFGBuilder took 1124.03ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 46.3MB in the beginning and 66.1MB in the end (delta: -19.8MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-11-19 03:31:16,469 INFO L338 ainManager$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 77.6MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 696.58ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 51.5MB in the end (delta: 1.8MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.60ms. Allocated memory is still 77.6MB. Free memory was 51.5MB in the beginning and 49.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.58ms. Allocated memory is still 77.6MB. Free memory was 49.1MB in the beginning and 46.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1124.03ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 46.3MB in the beginning and 66.1MB in the end (delta: -19.8MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~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 03:31:16,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6764ac0-ec62-45a1-9423-e83d83cb48d0/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?