./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix013.opt.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_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/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_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix013.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/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_52968a2d-fe74-402b-ace8-bb0d69a20faa/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 7d5aa429e9fa5fafdbda3a249edb2f84a5af4e6e0b36ce720714921f621bb137 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:47:15,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:47:16,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:47:16,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:47:16,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:47:16,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:47:16,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:47:16,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:47:16,087 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:47:16,088 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:47:16,089 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:47:16,090 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:47:16,091 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:47:16,091 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:47:16,092 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:47:16,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:47:16,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:47:16,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:47:16,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:47:16,096 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:47:16,097 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:47:16,098 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:47:16,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:47:16,100 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:47:16,101 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:47:16,101 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:47:16,102 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:47:16,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:47:16,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:16,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:47:16,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:47:16,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:47:16,106 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:47:16,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:47:16,107 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:47:16,107 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_52968a2d-fe74-402b-ace8-bb0d69a20faa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d5aa429e9fa5fafdbda3a249edb2f84a5af4e6e0b36ce720714921f621bb137 [2023-11-19 02:47:16,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:47:16,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:47:16,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:47:16,552 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:47:16,553 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:47:16,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix013.opt.i [2023-11-19 02:47:19,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:47:20,219 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:47:20,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/sv-benchmarks/c/pthread-wmm/mix013.opt.i [2023-11-19 02:47:20,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/data/9616c95c4/51b31e94f21f405b8934869a267db65c/FLAGdc1562e1b [2023-11-19 02:47:20,298 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/data/9616c95c4/51b31e94f21f405b8934869a267db65c [2023-11-19 02:47:20,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:47:20,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:47:20,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:20,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:47:20,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:47:20,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:20" (1/1) ... [2023-11-19 02:47:20,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d90486c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:20, skipping insertion in model container [2023-11-19 02:47:20,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:20" (1/1) ... [2023-11-19 02:47:20,411 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:47:20,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:20,895 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:47:20,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:21,020 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:47:21,021 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:47:21,030 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:47:21,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21 WrapperNode [2023-11-19 02:47:21,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:21,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:21,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:47:21,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:47:21,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2023-11-19 02:47:21,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2023-11-19 02:47:21,162 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2023-11-19 02:47:21,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:21,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:47:21,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:47:21,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:47:21,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2023-11-19 02:47:21,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2023-11-19 02:47:21,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2023-11-19 02:47:21,193 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2023-11-19 02:47:21,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2023-11-19 02:47:21,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2023-11-19 02:47:21,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2023-11-19 02:47:21,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2023-11-19 02:47:21,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:47:21,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:47:21,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:47:21,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:47:21,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:21" (1/1) ... [2023-11-19 02:47:21,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:21,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:47:21,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:47:21,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:47:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:47:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:47:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:47:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:47:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:47:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:47:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:47:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 02:47:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 02:47:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 02:47:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 02:47:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 02:47:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 02:47:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 02:47:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 02:47:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:47:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:47:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:47:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:47:21,426 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 02:47:21,620 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:47:21,623 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:47:22,072 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:47:22,323 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:47:22,323 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:47:22,331 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 02:47:22,341 INFO L158 Benchmark]: Toolchain (without parser) took 2031.86ms. Allocated memory is still 169.9MB. Free memory was 140.8MB in the beginning and 92.9MB in the end (delta: 47.8MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2023-11-19 02:47:22,342 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:47:22,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.85ms. Allocated memory is still 169.9MB. Free memory was 140.8MB in the beginning and 116.4MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 02:47:22,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.67ms. Allocated memory is still 169.9MB. Free memory was 116.4MB in the beginning and 139.1MB in the end (delta: -22.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 02:47:22,346 INFO L158 Benchmark]: Boogie Preprocessor took 108.14ms. Allocated memory is still 169.9MB. Free memory was 139.1MB in the beginning and 137.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:47:22,347 INFO L158 Benchmark]: RCFGBuilder took 1066.49ms. Allocated memory is still 169.9MB. Free memory was 137.0MB in the beginning and 92.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 02:47:22,352 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 719.85ms. Allocated memory is still 169.9MB. Free memory was 140.8MB in the beginning and 116.4MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.67ms. Allocated memory is still 169.9MB. Free memory was 116.4MB in the beginning and 139.1MB in the end (delta: -22.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.14ms. Allocated memory is still 169.9MB. Free memory was 139.1MB in the beginning and 137.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1066.49ms. Allocated memory is still 169.9MB. Free memory was 137.0MB in the beginning and 92.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~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:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:47:22,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/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 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_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/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_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix013.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/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_52968a2d-fe74-402b-ace8-bb0d69a20faa/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 7d5aa429e9fa5fafdbda3a249edb2f84a5af4e6e0b36ce720714921f621bb137 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:47:25,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:47:25,964 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 02:47:26,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:47:26,046 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:47:26,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:47:26,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:47:26,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:47:26,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:47:26,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:47:26,058 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:47:26,059 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:47:26,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:47:26,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:47:26,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:47:26,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:47:26,064 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:47:26,064 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:47:26,065 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:47:26,067 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:47:26,067 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:47:26,068 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:47:26,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:47:26,069 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:47:26,070 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:47:26,070 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:47:26,071 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:47:26,072 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:47:26,072 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:47:26,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:47:26,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:26,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:47:26,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:47:26,077 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:47:26,077 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:47:26,077 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:47:26,078 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:47:26,078 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:47:26,078 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:47:26,080 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_52968a2d-fe74-402b-ace8-bb0d69a20faa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d5aa429e9fa5fafdbda3a249edb2f84a5af4e6e0b36ce720714921f621bb137 [2023-11-19 02:47:26,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:47:26,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:47:26,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:47:26,694 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:47:26,695 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:47:26,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix013.opt.i [2023-11-19 02:47:30,115 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:47:30,582 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:47:30,583 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/sv-benchmarks/c/pthread-wmm/mix013.opt.i [2023-11-19 02:47:30,607 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/data/041cbc958/293c30bbd08d48928a9223c8c00d4526/FLAG43120bb99 [2023-11-19 02:47:30,626 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/data/041cbc958/293c30bbd08d48928a9223c8c00d4526 [2023-11-19 02:47:30,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:47:30,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:47:30,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:30,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:47:30,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:47:30,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:30" (1/1) ... [2023-11-19 02:47:30,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d168c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:30, skipping insertion in model container [2023-11-19 02:47:30,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:30" (1/1) ... [2023-11-19 02:47:30,743 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:47:31,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:31,479 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:47:31,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:31,734 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:47:31,734 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:47:31,744 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:47:31,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:31 WrapperNode [2023-11-19 02:47:31,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:31,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:31,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:47:31,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:47:31,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:31" (1/1) ... [2023-11-19 02:47:31,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:31" (1/1) ... [2023-11-19 02:47:31,863 INFO L138 Inliner]: procedures = 180, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2023-11-19 02:47:31,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:31,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:47:31,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:47:31,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:47:31,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:31" (1/1) ... [2023-11-19 02:47:31,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:31" (1/1) ... [2023-11-19 02:47:31,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:31" (1/1) ... [2023-11-19 02:47:31,914 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:31" (1/1) ... [2023-11-19 02:47:31,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:31" (1/1) ... [2023-11-19 02:47:31,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:31" (1/1) ... [2023-11-19 02:47:31,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:31" (1/1) ... [2023-11-19 02:47:31,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:31" (1/1) ... [2023-11-19 02:47:31,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:47:31,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:47:31,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:47:31,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:47:31,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:31" (1/1) ... [2023-11-19 02:47:31,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:32,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:47:32,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:47:32,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:47:32,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:47:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:47:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:47:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:47:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:47:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:47:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:47:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:47:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 02:47:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 02:47:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 02:47:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 02:47:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 02:47:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 02:47:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 02:47:32,101 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 02:47:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:47:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:47:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:47:32,104 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 02:47:32,339 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:47:32,346 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:47:32,921 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:47:33,231 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:47:33,232 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:47:33,236 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 02:47:33,243 INFO L158 Benchmark]: Toolchain (without parser) took 2610.83ms. Allocated memory is still 81.8MB. Free memory was 56.8MB in the beginning and 46.8MB in the end (delta: 10.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-11-19 02:47:33,243 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.3MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:47:33,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1111.83ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 51.6MB in the end (delta: 5.0MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-11-19 02:47:33,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.72ms. Allocated memory is still 81.8MB. Free memory was 51.6MB in the beginning and 49.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:47:33,246 INFO L158 Benchmark]: Boogie Preprocessor took 107.31ms. Allocated memory is still 81.8MB. Free memory was 49.1MB in the beginning and 46.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:47:33,247 INFO L158 Benchmark]: RCFGBuilder took 1264.54ms. Allocated memory is still 81.8MB. Free memory was 46.7MB in the beginning and 46.8MB in the end (delta: -121.3kB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2023-11-19 02:47:33,250 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.3MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1111.83ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 51.6MB in the end (delta: 5.0MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.72ms. Allocated memory is still 81.8MB. Free memory was 51.6MB in the beginning and 49.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.31ms. Allocated memory is still 81.8MB. Free memory was 49.1MB in the beginning and 46.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1264.54ms. Allocated memory is still 81.8MB. Free memory was 46.7MB in the beginning and 46.8MB in the end (delta: -121.3kB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:47:33,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52968a2d-fe74-402b-ace8-bb0d69a20faa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?