./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9 --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 3bc57c42fd552df471a50a3f823d776d12ae5a02a1da1686aaab749af4f270bf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:13:58,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:13:58,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 03:13:59,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:13:59,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:13:59,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:13:59,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:13:59,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:13:59,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:13:59,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:13:59,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:13:59,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:13:59,030 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:13:59,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:13:59,031 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:13:59,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:13:59,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:13:59,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:13:59,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:13:59,034 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:13:59,034 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:13:59,035 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:13:59,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:13:59,036 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:13:59,036 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:13:59,037 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:13:59,037 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:13:59,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:13:59,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:13:59,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:13:59,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:13:59,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:13:59,040 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:13:59,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:13:59,040 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:13:59,041 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_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bc57c42fd552df471a50a3f823d776d12ae5a02a1da1686aaab749af4f270bf [2023-12-03 03:13:59,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:13:59,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:13:59,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:13:59,325 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:13:59,325 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:13:59,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i [2023-12-03 03:14:02,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:14:02,301 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:14:02,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i [2023-12-03 03:14:02,317 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/data/3c4f4050e/7de5eec45ee24d3880cfe3fedbff7907/FLAG4d481e872 [2023-12-03 03:14:02,331 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/data/3c4f4050e/7de5eec45ee24d3880cfe3fedbff7907 [2023-12-03 03:14:02,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:14:02,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:14:02,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:14:02,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:14:02,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:14:02,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:14:02" (1/1) ... [2023-12-03 03:14:02,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1580f839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:02, skipping insertion in model container [2023-12-03 03:14:02,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:14:02" (1/1) ... [2023-12-03 03:14:02,393 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:14:02,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:14:02,737 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:14:02,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:14:02,824 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:14:02,824 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:14:02,830 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:14:02,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:02 WrapperNode [2023-12-03 03:14:02,830 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:14:02,831 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:14:02,831 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:14:02,831 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:14:02,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:02" (1/1) ... [2023-12-03 03:14:02,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:02" (1/1) ... [2023-12-03 03:14:02,880 INFO L138 Inliner]: procedures = 177, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 129 [2023-12-03 03:14:02,881 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:14:02,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:14:02,882 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:14:02,882 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:14:02,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:02" (1/1) ... [2023-12-03 03:14:02,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:02" (1/1) ... [2023-12-03 03:14:02,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:02" (1/1) ... [2023-12-03 03:14:02,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:02" (1/1) ... [2023-12-03 03:14:02,906 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:02" (1/1) ... [2023-12-03 03:14:02,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:02" (1/1) ... [2023-12-03 03:14:02,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:02" (1/1) ... [2023-12-03 03:14:02,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:02" (1/1) ... [2023-12-03 03:14:02,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:14:02,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:14:02,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:14:02,919 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:14:02,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:02" (1/1) ... [2023-12-03 03:14:02,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:14:02,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:14:02,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:14:02,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:14:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:14:02,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:14:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:14:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 03:14:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:14:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:14:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:14:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-03 03:14:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-03 03:14:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-03 03:14:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-03 03:14:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-03 03:14:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-03 03:14:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-12-03 03:14:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-12-03 03:14:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:14:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 03:14:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:14:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:14:02,995 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 03:14:03,129 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:14:03,132 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:14:03,461 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:14:03,597 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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-12-03 03:14:03,601 INFO L158 Benchmark]: Toolchain (without parser) took 1265.85ms. Allocated memory is still 165.7MB. Free memory was 125.6MB in the beginning and 130.8MB in the end (delta: -5.2MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2023-12-03 03:14:03,602 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:14:03,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.60ms. Allocated memory is still 165.7MB. Free memory was 124.9MB in the beginning and 100.7MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-03 03:14:03,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.94ms. Allocated memory is still 165.7MB. Free memory was 100.7MB in the beginning and 98.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:14:03,604 INFO L158 Benchmark]: Boogie Preprocessor took 36.06ms. Allocated memory is still 165.7MB. Free memory was 98.6MB in the beginning and 96.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:14:03,605 INFO L158 Benchmark]: RCFGBuilder took 681.26ms. Allocated memory is still 165.7MB. Free memory was 96.5MB in the beginning and 130.8MB in the end (delta: -34.3MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2023-12-03 03:14:03,607 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.60ms. Allocated memory is still 165.7MB. Free memory was 124.9MB in the beginning and 100.7MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.94ms. Allocated memory is still 165.7MB. Free memory was 100.7MB in the beginning and 98.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.06ms. Allocated memory is still 165.7MB. Free memory was 98.6MB in the beginning and 96.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 681.26ms. Allocated memory is still 165.7MB. Free memory was 96.5MB in the beginning and 130.8MB in the end (delta: -34.3MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$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:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:14:03,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9 --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 3bc57c42fd552df471a50a3f823d776d12ae5a02a1da1686aaab749af4f270bf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:14:05,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:14:05,597 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 03:14:05,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:14:05,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:14:05,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:14:05,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:14:05,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:14:05,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:14:05,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:14:05,631 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:14:05,632 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:14:05,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:14:05,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:14:05,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:14:05,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:14:05,634 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:14:05,634 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:14:05,635 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:14:05,635 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:14:05,636 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:14:05,636 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:14:05,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:14:05,637 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:14:05,638 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:14:05,639 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:14:05,639 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:14:05,640 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:05,640 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:14:05,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:14:05,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:14:05,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:14:05,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:14:05,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:14:05,642 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:14:05,642 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:05,643 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:14:05,643 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:14:05,643 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:14:05,643 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_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bc57c42fd552df471a50a3f823d776d12ae5a02a1da1686aaab749af4f270bf [2023-12-03 03:14:05,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:14:05,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:14:05,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:14:05,958 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:14:05,958 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:14:05,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i [2023-12-03 03:14:08,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:14:08,991 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:14:08,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i [2023-12-03 03:14:09,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/data/7afa6cb3b/db2f6d9fdb064198a388c43ce094ee2c/FLAG81d7cfdce [2023-12-03 03:14:09,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/data/7afa6cb3b/db2f6d9fdb064198a388c43ce094ee2c [2023-12-03 03:14:09,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:14:09,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:14:09,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:14:09,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:14:09,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:14:09,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:14:09" (1/1) ... [2023-12-03 03:14:09,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54bf087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:09, skipping insertion in model container [2023-12-03 03:14:09,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:14:09" (1/1) ... [2023-12-03 03:14:09,105 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:14:09,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:14:09,490 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:14:09,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:14:09,588 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:14:09,589 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:14:09,597 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:14:09,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:09 WrapperNode [2023-12-03 03:14:09,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:14:09,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:14:09,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:14:09,610 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:14:09,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:09" (1/1) ... [2023-12-03 03:14:09,638 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:09" (1/1) ... [2023-12-03 03:14:09,677 INFO L138 Inliner]: procedures = 180, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 130 [2023-12-03 03:14:09,678 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:14:09,678 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:14:09,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:14:09,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:14:09,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:09" (1/1) ... [2023-12-03 03:14:09,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:09" (1/1) ... [2023-12-03 03:14:09,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:09" (1/1) ... [2023-12-03 03:14:09,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:09" (1/1) ... [2023-12-03 03:14:09,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:09" (1/1) ... [2023-12-03 03:14:09,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:09" (1/1) ... [2023-12-03 03:14:09,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:09" (1/1) ... [2023-12-03 03:14:09,714 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:09" (1/1) ... [2023-12-03 03:14:09,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:14:09,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:14:09,720 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:14:09,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:14:09,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:14:09" (1/1) ... [2023-12-03 03:14:09,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:14:09,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:14:09,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:14:09,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:14:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:14:09,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:14:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 03:14:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:14:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:14:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:14:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:14:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:14:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-03 03:14:09,785 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-03 03:14:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-03 03:14:09,785 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-03 03:14:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-03 03:14:09,786 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-03 03:14:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-12-03 03:14:09,786 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-12-03 03:14:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 03:14:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:14:09,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:14:09,788 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 03:14:09,933 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:14:09,935 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:14:10,286 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:14:10,447 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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-12-03 03:14:10,451 INFO L158 Benchmark]: Toolchain (without parser) took 1421.23ms. Allocated memory is still 102.8MB. Free memory was 77.2MB in the beginning and 69.9MB in the end (delta: 7.3MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2023-12-03 03:14:10,451 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:14:10,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.94ms. Allocated memory is still 102.8MB. Free memory was 76.9MB in the beginning and 80.7MB in the end (delta: -3.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-03 03:14:10,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.62ms. Allocated memory is still 102.8MB. Free memory was 80.7MB in the beginning and 78.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:14:10,453 INFO L158 Benchmark]: Boogie Preprocessor took 41.05ms. Allocated memory is still 102.8MB. Free memory was 78.0MB in the beginning and 75.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:14:10,454 INFO L158 Benchmark]: RCFGBuilder took 729.16ms. Allocated memory is still 102.8MB. Free memory was 75.9MB in the beginning and 69.9MB in the end (delta: 5.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2023-12-03 03:14:10,456 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.94ms. Allocated memory is still 102.8MB. Free memory was 76.9MB in the beginning and 80.7MB in the end (delta: -3.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.62ms. Allocated memory is still 102.8MB. Free memory was 80.7MB in the beginning and 78.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.05ms. Allocated memory is still 102.8MB. Free memory was 78.0MB in the beginning and 75.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 729.16ms. Allocated memory is still 102.8MB. Free memory was 75.9MB in the beginning and 69.9MB in the end (delta: 5.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:14:10,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8eb65cc-033e-44ba-b5b3-28f5d70d55df/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?