./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe028_power.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_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/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_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe028_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/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_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/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 0d78821bc3a287b999f98be361d707254bd2fa61b63b525cf42d392168336d80 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:52,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:52,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:08:52,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:08:52,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:08:52,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:52,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:08:52,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:08:52,381 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:52,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:52,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:52,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:52,392 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:08:52,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:08:52,395 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:08:52,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:52,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:52,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:52,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:52,397 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:08:52,397 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:08:52,398 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:08:52,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:52,401 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:52,402 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:52,402 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:52,403 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:52,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:52,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:52,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:52,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:52,406 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:08:52,407 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:08:52,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:08:52,407 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:08:52,408 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_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d78821bc3a287b999f98be361d707254bd2fa61b63b525cf42d392168336d80 [2023-11-19 04:08:52,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:52,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:52,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:52,810 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:52,811 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:52,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/safe028_power.i [2023-11-19 04:08:56,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:57,054 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:57,054 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/sv-benchmarks/c/pthread-wmm/safe028_power.i [2023-11-19 04:08:57,081 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/data/e90aafda6/daee6c194a0e48449e089008f18317ce/FLAGbe67935ee [2023-11-19 04:08:57,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/data/e90aafda6/daee6c194a0e48449e089008f18317ce [2023-11-19 04:08:57,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:57,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:57,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:57,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:57,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:57,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:57" (1/1) ... [2023-11-19 04:08:57,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428c9e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:57, skipping insertion in model container [2023-11-19 04:08:57,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:57" (1/1) ... [2023-11-19 04:08:57,186 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:57,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:57,707 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:57,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:57,914 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:57,914 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:57,922 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:57,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:57 WrapperNode [2023-11-19 04:08:57,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:57,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:57,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:57,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:57,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:57" (1/1) ... [2023-11-19 04:08:57,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:57" (1/1) ... [2023-11-19 04:08:58,032 INFO L138 Inliner]: procedures = 176, calls = 78, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 139 [2023-11-19 04:08:58,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:58,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:58,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:58,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:58,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:57" (1/1) ... [2023-11-19 04:08:58,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:57" (1/1) ... [2023-11-19 04:08:58,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:57" (1/1) ... [2023-11-19 04:08:58,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:57" (1/1) ... [2023-11-19 04:08:58,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:57" (1/1) ... [2023-11-19 04:08:58,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:57" (1/1) ... [2023-11-19 04:08:58,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:57" (1/1) ... [2023-11-19 04:08:58,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:57" (1/1) ... [2023-11-19 04:08:58,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:58,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:58,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:58,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:58,155 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:57" (1/1) ... [2023-11-19 04:08:58,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:58,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:58,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:58,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:08:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:08:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:08:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:08:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:08:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:08:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:08:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 04:08:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 04:08:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 04:08:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 04:08:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 04:08:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 04:08:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:08:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:08:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:58,272 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 04:08:58,492 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:58,495 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:59,258 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:59,743 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:59,744 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:08:59,746 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 04:08:59,757 INFO L158 Benchmark]: Toolchain (without parser) took 2650.27ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 111.2MB in the beginning and 99.5MB in the end (delta: 11.6MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2023-11-19 04:08:59,757 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 159.4MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:59,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 816.88ms. Allocated memory is still 159.4MB. Free memory was 110.9MB in the beginning and 85.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 04:08:59,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.94ms. Allocated memory is still 159.4MB. Free memory was 85.7MB in the beginning and 83.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:59,761 INFO L158 Benchmark]: Boogie Preprocessor took 112.78ms. Allocated memory is still 159.4MB. Free memory was 83.1MB in the beginning and 80.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:59,762 INFO L158 Benchmark]: RCFGBuilder took 1601.32ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 80.5MB in the beginning and 99.5MB in the end (delta: -19.0MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2023-11-19 04:08:59,772 INFO L338 ainManager$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 159.4MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 816.88ms. Allocated memory is still 159.4MB. Free memory was 110.9MB in the beginning and 85.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.94ms. Allocated memory is still 159.4MB. Free memory was 85.7MB in the beginning and 83.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.78ms. Allocated memory is still 159.4MB. Free memory was 83.1MB in the beginning and 80.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1601.32ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 80.5MB in the beginning and 99.5MB in the end (delta: -19.0MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:08:59,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/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_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/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_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe028_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/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_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/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 0d78821bc3a287b999f98be361d707254bd2fa61b63b525cf42d392168336d80 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:09:02,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:09:02,935 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 04:09:02,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:09:02,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:09:02,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:09:02,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:09:02,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:09:03,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:09:03,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:09:03,008 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:09:03,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:09:03,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:09:03,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:09:03,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:09:03,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:09:03,012 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:09:03,013 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:09:03,013 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:09:03,015 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:09:03,015 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:09:03,016 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:09:03,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:09:03,017 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:09:03,017 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:09:03,018 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:09:03,018 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:09:03,019 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:09:03,019 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:09:03,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:09:03,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:03,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:09:03,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:09:03,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:09:03,023 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:09:03,023 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:09:03,023 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:09:03,024 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:09:03,024 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:09:03,025 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_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d78821bc3a287b999f98be361d707254bd2fa61b63b525cf42d392168336d80 [2023-11-19 04:09:03,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:09:03,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:09:03,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:09:03,623 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:09:03,624 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:09:03,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/safe028_power.i [2023-11-19 04:09:07,463 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:09:07,991 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:09:07,992 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/sv-benchmarks/c/pthread-wmm/safe028_power.i [2023-11-19 04:09:08,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/data/4e5e08684/bfacfbbebb05415e82c1450982ea2f4b/FLAG67dca4007 [2023-11-19 04:09:08,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/data/4e5e08684/bfacfbbebb05415e82c1450982ea2f4b [2023-11-19 04:09:08,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:09:08,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:09:08,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:08,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:09:08,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:09:08,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:08" (1/1) ... [2023-11-19 04:09:08,073 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4998b7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:08, skipping insertion in model container [2023-11-19 04:09:08,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:08" (1/1) ... [2023-11-19 04:09:08,149 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:09:08,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:08,842 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:09:08,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:09,000 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:09:09,000 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:09:09,010 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:09:09,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09 WrapperNode [2023-11-19 04:09:09,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:09,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:09,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:09:09,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:09:09,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,109 INFO L138 Inliner]: procedures = 180, calls = 78, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 140 [2023-11-19 04:09:09,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:09,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:09:09,111 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:09:09,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:09:09,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:09:09,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:09:09,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:09:09,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:09:09,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:09,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:09:09,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:09:09,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:09:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:09:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:09:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:09:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:09:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:09:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:09:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:09:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:09:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:09:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:09:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 04:09:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 04:09:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 04:09:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 04:09:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 04:09:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 04:09:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:09:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:09:09,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:09:09,334 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 04:09:09,568 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:09:09,571 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:09:10,346 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:09:11,008 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:09:11,008 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:09:11,011 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 04:09:11,016 INFO L158 Benchmark]: Toolchain (without parser) took 2955.45ms. Allocated memory was 92.3MB in the beginning and 140.5MB in the end (delta: 48.2MB). Free memory was 66.5MB in the beginning and 67.9MB in the end (delta: -1.3MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2023-11-19 04:09:11,016 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:11,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 947.77ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 65.3MB in the end (delta: 958.5kB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2023-11-19 04:09:11,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.20ms. Allocated memory is still 92.3MB. Free memory was 65.3MB in the beginning and 62.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:09:11,019 INFO L158 Benchmark]: Boogie Preprocessor took 112.19ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 59.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:09:11,020 INFO L158 Benchmark]: RCFGBuilder took 1789.84ms. Allocated memory was 92.3MB in the beginning and 140.5MB in the end (delta: 48.2MB). Free memory was 59.8MB in the beginning and 67.9MB in the end (delta: -8.0MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2023-11-19 04:09:11,023 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 947.77ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 65.3MB in the end (delta: 958.5kB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.20ms. Allocated memory is still 92.3MB. Free memory was 65.3MB in the beginning and 62.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.19ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 59.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1789.84ms. Allocated memory was 92.3MB in the beginning and 140.5MB in the end (delta: 48.2MB). Free memory was 59.8MB in the beginning and 67.9MB in the end (delta: -8.0MB). Peak memory consumption was 39.9MB. 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: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:09:11,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e967b-1e38-4758-ac6f-768a3bbc5c8c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?