./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix021_tso.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_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/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_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/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_d1114041-1f58-49ff-912e-3b7f4f3a5c90/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 1821be0ec0c098ba0cd2fb39edc7421f58889218b21285544a5e01e847e429e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:25,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:25,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:23:25,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:23:25,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:23:26,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:26,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:23:26,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:23:26,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:26,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:26,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:26,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:26,030 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:23:26,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:23:26,032 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:23:26,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:26,033 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:26,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:26,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:26,035 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:23:26,035 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:23:26,036 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:23:26,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:26,037 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:26,037 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:26,038 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:26,038 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:26,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:26,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:26,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:26,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:26,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:23:26,062 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:23:26,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:23:26,063 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:23:26,063 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_d1114041-1f58-49ff-912e-3b7f4f3a5c90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1821be0ec0c098ba0cd2fb39edc7421f58889218b21285544a5e01e847e429e6 [2023-11-19 03:23:26,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:26,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:26,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:26,414 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:26,415 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:26,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i [2023-11-19 03:23:29,559 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:29,955 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:29,955 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i [2023-11-19 03:23:29,985 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/data/badb73aae/6952fd684a474c4fb8401244f32782e4/FLAGc11484733 [2023-11-19 03:23:30,199 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/data/badb73aae/6952fd684a474c4fb8401244f32782e4 [2023-11-19 03:23:30,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:30,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:30,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:30,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:30,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:30,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:30" (1/1) ... [2023-11-19 03:23:30,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29384968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:30, skipping insertion in model container [2023-11-19 03:23:30,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:30" (1/1) ... [2023-11-19 03:23:30,285 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:30,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:30,842 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:30,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:31,018 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:23:31,018 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:23:31,026 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:31,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:31 WrapperNode [2023-11-19 03:23:31,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:31,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:31,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:31,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:31,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:31" (1/1) ... [2023-11-19 03:23:31,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:31" (1/1) ... [2023-11-19 03:23:31,127 INFO L138 Inliner]: procedures = 177, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 128 [2023-11-19 03:23:31,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:31,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:31,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:31,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:31,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:31" (1/1) ... [2023-11-19 03:23:31,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:31" (1/1) ... [2023-11-19 03:23:31,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:31" (1/1) ... [2023-11-19 03:23:31,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:31" (1/1) ... [2023-11-19 03:23:31,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:31" (1/1) ... [2023-11-19 03:23:31,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:31" (1/1) ... [2023-11-19 03:23:31,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:31" (1/1) ... [2023-11-19 03:23:31,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:31" (1/1) ... [2023-11-19 03:23:31,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:31,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:31,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:31,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:31,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:31" (1/1) ... [2023-11-19 03:23:31,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:31,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:31,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:31,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:23:31,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:23:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:23:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:23:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:23:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:23:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 03:23:31,292 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 03:23:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 03:23:31,292 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 03:23:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 03:23:31,293 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 03:23:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 03:23:31,293 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 03:23:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:23:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:23:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:31,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:31,297 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 03:23:31,484 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:31,486 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:31,960 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:32,166 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:32,167 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:23:32,169 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$r_buff1_thd3~0 := ~y$r_buff0_thd3~0;~y$r_buff1_thd4~0 := ~y$r_buff0_thd4~0;~y$r_buff0_thd3~0 := 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:23:32,174 INFO L158 Benchmark]: Toolchain (without parser) took 1969.52ms. Allocated memory is still 140.5MB. Free memory was 104.4MB in the beginning and 98.8MB in the end (delta: 5.6MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2023-11-19 03:23:32,175 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 140.5MB. Free memory was 108.4MB in the beginning and 108.2MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:32,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 822.34ms. Allocated memory is still 140.5MB. Free memory was 104.0MB in the beginning and 80.4MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:32,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.34ms. Allocated memory is still 140.5MB. Free memory was 80.4MB in the beginning and 77.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:32,178 INFO L158 Benchmark]: Boogie Preprocessor took 67.38ms. Allocated memory is still 140.5MB. Free memory was 77.9MB in the beginning and 75.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:32,179 INFO L158 Benchmark]: RCFGBuilder took 969.87ms. Allocated memory is still 140.5MB. Free memory was 75.8MB in the beginning and 98.8MB in the end (delta: -23.0MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2023-11-19 03:23:32,182 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 140.5MB. Free memory was 108.4MB in the beginning and 108.2MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 822.34ms. Allocated memory is still 140.5MB. Free memory was 104.0MB in the beginning and 80.4MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.34ms. Allocated memory is still 140.5MB. Free memory was 80.4MB in the beginning and 77.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.38ms. Allocated memory is still 140.5MB. Free memory was 77.9MB in the beginning and 75.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 969.87ms. Allocated memory is still 140.5MB. Free memory was 75.8MB in the beginning and 98.8MB in the end (delta: -23.0MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$r_buff1_thd3~0 := ~y$r_buff0_thd3~0;~y$r_buff1_thd4~0 := ~y$r_buff0_thd4~0;~y$r_buff0_thd3~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$r_buff1_thd3~0 := ~y$r_buff0_thd3~0;~y$r_buff1_thd4~0 := ~y$r_buff0_thd4~0;~y$r_buff0_thd3~0 := 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 03:23:32,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/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_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/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_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/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_d1114041-1f58-49ff-912e-3b7f4f3a5c90/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 1821be0ec0c098ba0cd2fb39edc7421f58889218b21285544a5e01e847e429e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:34,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:35,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:23:35,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:35,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:23:35,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:23:35,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:35,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:35,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:35,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:35,204 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:23:35,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:23:35,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:35,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:35,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:35,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:35,209 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:23:35,209 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:23:35,210 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:23:35,211 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:23:35,211 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:23:35,212 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:23:35,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:35,213 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:35,214 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:35,214 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:35,214 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:35,215 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:35,215 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:23:35,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:35,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:35,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:35,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:35,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:23:35,219 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:23:35,219 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:35,220 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:23:35,220 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:23:35,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:23:35,222 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_d1114041-1f58-49ff-912e-3b7f4f3a5c90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1821be0ec0c098ba0cd2fb39edc7421f58889218b21285544a5e01e847e429e6 [2023-11-19 03:23:35,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:35,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:35,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:35,658 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:35,659 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:35,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i [2023-11-19 03:23:39,101 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:39,449 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:39,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i [2023-11-19 03:23:39,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/data/6e34a5709/930823eb72594cd6864e964180aaae89/FLAG732f32d6e [2023-11-19 03:23:39,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/data/6e34a5709/930823eb72594cd6864e964180aaae89 [2023-11-19 03:23:39,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:39,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:39,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:39,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:39,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:39,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:39" (1/1) ... [2023-11-19 03:23:39,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a518eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:39, skipping insertion in model container [2023-11-19 03:23:39,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:39" (1/1) ... [2023-11-19 03:23:39,569 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:40,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:40,170 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:40,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:40,351 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:23:40,352 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:23:40,360 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:40,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:40 WrapperNode [2023-11-19 03:23:40,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:40,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:40,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:40,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:40,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:40" (1/1) ... [2023-11-19 03:23:40,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:40" (1/1) ... [2023-11-19 03:23:40,450 INFO L138 Inliner]: procedures = 180, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 129 [2023-11-19 03:23:40,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:40,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:40,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:40,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:40,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:40" (1/1) ... [2023-11-19 03:23:40,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:40" (1/1) ... [2023-11-19 03:23:40,481 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:40" (1/1) ... [2023-11-19 03:23:40,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:40" (1/1) ... [2023-11-19 03:23:40,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:40" (1/1) ... [2023-11-19 03:23:40,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:40" (1/1) ... [2023-11-19 03:23:40,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:40" (1/1) ... [2023-11-19 03:23:40,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:40" (1/1) ... [2023-11-19 03:23:40,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:40,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:40,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:40,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:40,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:40" (1/1) ... [2023-11-19 03:23:40,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:40,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:40,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:40,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:23:40,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:23:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:23:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:23:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:23:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:23:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:23:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 03:23:40,635 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 03:23:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 03:23:40,635 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 03:23:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 03:23:40,636 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 03:23:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 03:23:40,638 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 03:23:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:23:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:40,641 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 03:23:40,839 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:40,841 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:41,284 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:41,543 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:41,544 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:23:41,547 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$r_buff1_thd3~0 := ~y$r_buff0_thd3~0;~y$r_buff1_thd4~0 := ~y$r_buff0_thd4~0;~y$r_buff0_thd3~0 := 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:23:41,553 INFO L158 Benchmark]: Toolchain (without parser) took 2051.12ms. Allocated memory is still 98.6MB. Free memory was 72.9MB in the beginning and 52.7MB in the end (delta: 20.2MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2023-11-19 03:23:41,554 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 87.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:41,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 858.34ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 74.1MB in the end (delta: -1.5MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-11-19 03:23:41,556 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.02ms. Allocated memory is still 98.6MB. Free memory was 74.1MB in the beginning and 71.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:23:41,557 INFO L158 Benchmark]: Boogie Preprocessor took 88.86ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 68.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:41,558 INFO L158 Benchmark]: RCFGBuilder took 1010.24ms. Allocated memory is still 98.6MB. Free memory was 68.7MB in the beginning and 52.7MB in the end (delta: 15.9MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2023-11-19 03:23:41,566 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 87.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 858.34ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 74.1MB in the end (delta: -1.5MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.02ms. Allocated memory is still 98.6MB. Free memory was 74.1MB in the beginning and 71.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.86ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 68.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1010.24ms. Allocated memory is still 98.6MB. Free memory was 68.7MB in the beginning and 52.7MB in the end (delta: 15.9MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$r_buff1_thd3~0 := ~y$r_buff0_thd3~0;~y$r_buff1_thd4~0 := ~y$r_buff0_thd4~0;~y$r_buff0_thd3~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$r_buff1_thd3~0 := ~y$r_buff0_thd3~0;~y$r_buff1_thd4~0 := ~y$r_buff0_thd4~0;~y$r_buff0_thd3~0 := 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 03:23:41,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1114041-1f58-49ff-912e-3b7f4f3a5c90/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: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$r_buff1_thd3~0 := ~y$r_buff0_thd3~0;~y$r_buff1_thd4~0 := ~y$r_buff0_thd4~0;~y$r_buff0_thd3~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?