./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix021.opt.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_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/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_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix021.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/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_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/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 576d0750cd121d18ae295ddde1dd1649436f79f5ff3834655e4b6c15fd1260db --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:17:25,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:17:25,414 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 22:17:25,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:17:25,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:17:25,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:17:25,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:17:25,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:17:25,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:17:25,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:17:25,446 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:17:25,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:17:25,447 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:17:25,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:17:25,448 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:17:25,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:17:25,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:17:25,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:17:25,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:17:25,450 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:17:25,451 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:17:25,451 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:17:25,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:17:25,452 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:17:25,453 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:17:25,453 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:17:25,454 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:17:25,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:17:25,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:17:25,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:17:25,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:17:25,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:17:25,456 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:17:25,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:17:25,457 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:17:25,457 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_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 576d0750cd121d18ae295ddde1dd1649436f79f5ff3834655e4b6c15fd1260db [2023-12-02 22:17:25,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:17:25,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:17:25,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:17:25,713 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:17:25,713 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:17:25,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/mix021.opt.i [2023-12-02 22:17:28,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:17:29,021 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:17:29,022 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/sv-benchmarks/c/pthread-wmm/mix021.opt.i [2023-12-02 22:17:29,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/data/a5ca6244f/e35d954597fa41ad83b307c83c90e489/FLAG3e20d050c [2023-12-02 22:17:29,060 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/data/a5ca6244f/e35d954597fa41ad83b307c83c90e489 [2023-12-02 22:17:29,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:17:29,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:17:29,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:17:29,065 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:17:29,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:17:29,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:29" (1/1) ... [2023-12-02 22:17:29,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@617de4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:29, skipping insertion in model container [2023-12-02 22:17:29,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:29" (1/1) ... [2023-12-02 22:17:29,138 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:17:29,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:17:29,616 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:17:29,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:17:29,731 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:17:29,732 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:17:29,740 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:17:29,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:29 WrapperNode [2023-12-02 22:17:29,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:17:29,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:17:29,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:17:29,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:17:29,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:29" (1/1) ... [2023-12-02 22:17:29,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:29" (1/1) ... [2023-12-02 22:17:29,802 INFO L138 Inliner]: procedures = 177, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 111 [2023-12-02 22:17:29,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:17:29,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:17:29,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:17:29,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:17:29,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:29" (1/1) ... [2023-12-02 22:17:29,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:29" (1/1) ... [2023-12-02 22:17:29,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:29" (1/1) ... [2023-12-02 22:17:29,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:29" (1/1) ... [2023-12-02 22:17:29,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:29" (1/1) ... [2023-12-02 22:17:29,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:29" (1/1) ... [2023-12-02 22:17:29,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:29" (1/1) ... [2023-12-02 22:17:29,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:29" (1/1) ... [2023-12-02 22:17:29,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:17:29,850 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:17:29,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:17:29,850 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:17:29,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:29" (1/1) ... [2023-12-02 22:17:29,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:17:29,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:17:29,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:17:29,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:17:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:17:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:17:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:17:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:17:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:17:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:17:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:17:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-02 22:17:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-02 22:17:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-02 22:17:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-02 22:17:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-02 22:17:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-02 22:17:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-12-02 22:17:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-12-02 22:17:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:17:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:17:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:17:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:17:29,933 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:17:30,093 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:17:30,096 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:17:30,476 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:17:30,638 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 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:333) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:17:30,643 INFO L158 Benchmark]: Toolchain (without parser) took 1578.12ms. Allocated memory is still 165.7MB. Free memory was 120.3MB in the beginning and 118.3MB in the end (delta: 1.9MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2023-12-02 22:17:30,643 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory was 67.9MB in the beginning and 67.9MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:17:30,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 676.66ms. Allocated memory is still 165.7MB. Free memory was 119.5MB in the beginning and 95.1MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 22:17:30,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.08ms. Allocated memory is still 165.7MB. Free memory was 95.1MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:17:30,645 INFO L158 Benchmark]: Boogie Preprocessor took 45.33ms. Allocated memory is still 165.7MB. Free memory was 93.0MB in the beginning and 90.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:17:30,646 INFO L158 Benchmark]: RCFGBuilder took 791.46ms. Allocated memory is still 165.7MB. Free memory was 90.9MB in the beginning and 118.3MB in the end (delta: -27.4MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-12-02 22:17:30,649 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory was 67.9MB in the beginning and 67.9MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 676.66ms. Allocated memory is still 165.7MB. Free memory was 119.5MB in the beginning and 95.1MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.08ms. Allocated memory is still 165.7MB. Free memory was 95.1MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.33ms. Allocated memory is still 165.7MB. Free memory was 93.0MB in the beginning and 90.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 791.46ms. Allocated memory is still 165.7MB. Free memory was 90.9MB in the beginning and 118.3MB in the end (delta: -27.4MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 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:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:17:30,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/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 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_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/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_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix021.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/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_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/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 576d0750cd121d18ae295ddde1dd1649436f79f5ff3834655e4b6c15fd1260db --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:17:32,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:17:33,009 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 22:17:33,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:17:33,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:17:33,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:17:33,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:17:33,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:17:33,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:17:33,054 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:17:33,055 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:17:33,056 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:17:33,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:17:33,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:17:33,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:17:33,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:17:33,058 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:17:33,059 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:17:33,059 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:17:33,060 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:17:33,060 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:17:33,065 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:17:33,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:17:33,066 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:17:33,066 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:17:33,067 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:17:33,067 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:17:33,068 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:17:33,068 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:17:33,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:17:33,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:17:33,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:17:33,070 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:17:33,070 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:17:33,071 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:17:33,071 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:17:33,071 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:17:33,071 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:17:33,072 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:17:33,072 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_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 576d0750cd121d18ae295ddde1dd1649436f79f5ff3834655e4b6c15fd1260db [2023-12-02 22:17:33,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:17:33,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:17:33,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:17:33,434 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:17:33,435 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:17:33,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/mix021.opt.i [2023-12-02 22:17:36,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:17:36,774 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:17:36,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/sv-benchmarks/c/pthread-wmm/mix021.opt.i [2023-12-02 22:17:36,791 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/data/ad4337b4c/fcd9eb0dc0104cdbadb3f17e8d1d5eb0/FLAGccc9877cf [2023-12-02 22:17:36,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/data/ad4337b4c/fcd9eb0dc0104cdbadb3f17e8d1d5eb0 [2023-12-02 22:17:36,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:17:36,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:17:36,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:17:36,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:17:36,816 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:17:36,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:36" (1/1) ... [2023-12-02 22:17:36,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb26ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:36, skipping insertion in model container [2023-12-02 22:17:36,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:36" (1/1) ... [2023-12-02 22:17:36,872 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:17:37,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:17:37,255 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:17:37,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:17:37,379 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:17:37,379 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:17:37,386 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:17:37,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:37 WrapperNode [2023-12-02 22:17:37,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:17:37,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:17:37,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:17:37,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:17:37,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:37" (1/1) ... [2023-12-02 22:17:37,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:37" (1/1) ... [2023-12-02 22:17:37,439 INFO L138 Inliner]: procedures = 180, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2023-12-02 22:17:37,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:17:37,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:17:37,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:17:37,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:17:37,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:37" (1/1) ... [2023-12-02 22:17:37,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:37" (1/1) ... [2023-12-02 22:17:37,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:37" (1/1) ... [2023-12-02 22:17:37,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:37" (1/1) ... [2023-12-02 22:17:37,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:37" (1/1) ... [2023-12-02 22:17:37,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:37" (1/1) ... [2023-12-02 22:17:37,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:37" (1/1) ... [2023-12-02 22:17:37,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:37" (1/1) ... [2023-12-02 22:17:37,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:17:37,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:17:37,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:17:37,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:17:37,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:37" (1/1) ... [2023-12-02 22:17:37,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:17:37,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:17:37,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:17:37,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:17:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:17:37,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:17:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:17:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:17:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:17:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:17:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:17:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:17:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-02 22:17:37,546 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-02 22:17:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-02 22:17:37,547 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-02 22:17:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-02 22:17:37,547 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-02 22:17:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-12-02 22:17:37,547 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-12-02 22:17:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:17:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:17:37,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:17:37,549 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:17:37,702 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:17:37,704 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:17:38,052 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:17:38,198 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 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:333) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:17:38,202 INFO L158 Benchmark]: Toolchain (without parser) took 1391.66ms. Allocated memory is still 94.4MB. Free memory was 69.4MB in the beginning and 68.7MB in the end (delta: 704.3kB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2023-12-02 22:17:38,202 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 69.2MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:17:38,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.16ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 65.5MB in the end (delta: 3.6MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2023-12-02 22:17:38,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.18ms. Allocated memory is still 94.4MB. Free memory was 65.1MB in the beginning and 62.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:17:38,204 INFO L158 Benchmark]: Boogie Preprocessor took 38.98ms. Allocated memory is still 94.4MB. Free memory was 62.9MB in the beginning and 60.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:17:38,205 INFO L158 Benchmark]: RCFGBuilder took 721.06ms. Allocated memory is still 94.4MB. Free memory was 60.1MB in the beginning and 68.7MB in the end (delta: -8.6MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2023-12-02 22:17:38,208 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 69.2MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 576.16ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 65.5MB in the end (delta: 3.6MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.18ms. Allocated memory is still 94.4MB. Free memory was 65.1MB in the beginning and 62.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.98ms. Allocated memory is still 94.4MB. Free memory was 62.9MB in the beginning and 60.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 721.06ms. Allocated memory is still 94.4MB. Free memory was 60.1MB in the beginning and 68.7MB in the end (delta: -8.6MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 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:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:17:38,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe02fa12-72d3-4477-931c-9d56e9e0ff6f/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 end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?