./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe006_power.opt-thin000_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe006_power.opt-thin000_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eec124b30114ac40ce6b503b76c1b377fc7c0cddd0ece3b04d579d49ce56e9b5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:49:46,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:49:46,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:49:46,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:49:46,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:49:46,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:49:46,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:49:46,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:49:46,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:49:46,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:49:46,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:49:46,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:49:46,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:49:46,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:49:46,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:49:46,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:49:46,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:49:46,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:49:46,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:49:46,762 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:49:46,766 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:49:46,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:49:46,767 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:49:46,768 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:49:46,768 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:49:46,768 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:49:46,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:49:46,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:49:46,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:49:46,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:49:46,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:49:46,772 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:49:46,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:49:46,773 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_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eec124b30114ac40ce6b503b76c1b377fc7c0cddd0ece3b04d579d49ce56e9b5 [2024-11-08 19:49:47,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:49:47,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:49:47,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:49:47,130 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:49:47,131 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:49:47,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/pthread-wmm/safe006_power.opt-thin000_power.opt.i Unable to find full path for "g++" [2024-11-08 19:49:49,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:49:49,402 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:49:49,403 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/sv-benchmarks/c/pthread-wmm/safe006_power.opt-thin000_power.opt.i [2024-11-08 19:49:49,417 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/data/5c8179f8c/ce5330c942f94b15811aaeb4e3108fee/FLAG7a1a52d98 [2024-11-08 19:49:49,699 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/data/5c8179f8c/ce5330c942f94b15811aaeb4e3108fee [2024-11-08 19:49:49,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:49:49,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:49:49,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:49:49,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:49:49,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:49:49,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:49:49" (1/1) ... [2024-11-08 19:49:49,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e5b57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:49, skipping insertion in model container [2024-11-08 19:49:49,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:49:49" (1/1) ... [2024-11-08 19:49:49,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:49:50,016 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/sv-benchmarks/c/pthread-wmm/safe006_power.opt-thin000_power.opt.i[969,982] [2024-11-08 19:49:50,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:49:50,352 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:49:50,367 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/sv-benchmarks/c/pthread-wmm/safe006_power.opt-thin000_power.opt.i[969,982] [2024-11-08 19:49:50,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:49:50,499 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:49:50,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:50 WrapperNode [2024-11-08 19:49:50,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:49:50,502 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:49:50,502 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:49:50,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:49:50,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:50" (1/1) ... [2024-11-08 19:49:50,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:50" (1/1) ... [2024-11-08 19:49:50,578 INFO L138 Inliner]: procedures = 174, calls = 50, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2024-11-08 19:49:50,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:49:50,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:49:50,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:49:50,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:49:50,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:50" (1/1) ... [2024-11-08 19:49:50,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:50" (1/1) ... [2024-11-08 19:49:50,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:50" (1/1) ... [2024-11-08 19:49:50,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:50" (1/1) ... [2024-11-08 19:49:50,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:50" (1/1) ... [2024-11-08 19:49:50,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:50" (1/1) ... [2024-11-08 19:49:50,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:50" (1/1) ... [2024-11-08 19:49:50,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:50" (1/1) ... [2024-11-08 19:49:50,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:49:50,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:49:50,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:49:50,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:49:50,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:50" (1/1) ... [2024-11-08 19:49:50,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:49:50,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:49:50,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:49:50,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:49:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 19:49:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:49:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:49:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 19:49:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 19:49:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:49:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-08 19:49:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-08 19:49:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-08 19:49:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-08 19:49:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:49:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 19:49:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:49:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:49:50,737 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 19:49:50,905 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:49:50,908 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:49:51,410 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 19:49:51,410 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:49:51,827 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0 == ~x$r_buff0_thd0~0 % 256 then 0 else 1);~x$r_buff1_thd1~0 := (if 0 == ~x$r_buff0_thd1~0 % 256 then 0 else 1);~x$r_buff1_thd2~0 := (if 0 == ~x$r_buff0_thd2~0 % 256 then 0 else 1);~x$r_buff0_thd1~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 19:49:51,835 INFO L158 Benchmark]: Toolchain (without parser) took 2128.54ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 108.5MB in the beginning and 96.3MB in the end (delta: 12.2MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2024-11-08 19:49:51,836 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 151.0MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:49:51,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 795.68ms. Allocated memory is still 151.0MB. Free memory was 108.0MB in the beginning and 81.6MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-08 19:49:51,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.90ms. Allocated memory is still 151.0MB. Free memory was 81.6MB in the beginning and 79.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:49:51,838 INFO L158 Benchmark]: Boogie Preprocessor took 58.36ms. Allocated memory is still 151.0MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:49:51,840 INFO L158 Benchmark]: RCFGBuilder took 1191.93ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 77.0MB in the beginning and 96.3MB in the end (delta: -19.3MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-11-08 19:49:51,845 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 151.0MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 795.68ms. Allocated memory is still 151.0MB. Free memory was 108.0MB in the beginning and 81.6MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.90ms. Allocated memory is still 151.0MB. Free memory was 81.6MB in the beginning and 79.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.36ms. Allocated memory is still 151.0MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1191.93ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 77.0MB in the beginning and 96.3MB in the end (delta: -19.3MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0 == ~x$r_buff0_thd0~0 % 256 then 0 else 1);~x$r_buff1_thd1~0 := (if 0 == ~x$r_buff0_thd1~0 % 256 then 0 else 1);~x$r_buff1_thd2~0 := (if 0 == ~x$r_buff0_thd2~0 % 256 then 0 else 1);~x$r_buff0_thd1~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0 == ~x$r_buff0_thd0~0 % 256 then 0 else 1);~x$r_buff1_thd1~0 := (if 0 == ~x$r_buff0_thd1~0 % 256 then 0 else 1);~x$r_buff1_thd2~0 := (if 0 == ~x$r_buff0_thd2~0 % 256 then 0 else 1);~x$r_buff0_thd1~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 19:49:51,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe006_power.opt-thin000_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eec124b30114ac40ce6b503b76c1b377fc7c0cddd0ece3b04d579d49ce56e9b5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:49:54,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:49:54,531 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 19:49:54,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:49:54,586 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:49:54,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:49:54,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:49:54,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:49:54,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:49:54,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:49:54,589 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:49:54,589 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:49:54,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:49:54,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:49:54,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:49:54,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:49:54,594 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:49:54,595 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:49:54,595 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:49:54,595 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:49:54,596 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:49:54,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:49:54,600 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:49:54,601 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:49:54,601 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:49:54,602 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:49:54,602 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:49:54,602 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:49:54,603 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:49:54,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:49:54,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:49:54,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:49:54,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:49:54,605 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:49:54,606 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:49:54,606 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:49:54,607 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_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eec124b30114ac40ce6b503b76c1b377fc7c0cddd0ece3b04d579d49ce56e9b5 [2024-11-08 19:49:55,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:49:55,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:49:55,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:49:55,094 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:49:55,096 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:49:55,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/pthread-wmm/safe006_power.opt-thin000_power.opt.i Unable to find full path for "g++" [2024-11-08 19:49:57,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:49:57,558 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:49:57,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/sv-benchmarks/c/pthread-wmm/safe006_power.opt-thin000_power.opt.i [2024-11-08 19:49:57,574 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/data/71d23888f/83f82d2dba744dcea578ff50a8eb333e/FLAG9471f564a [2024-11-08 19:49:57,592 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/data/71d23888f/83f82d2dba744dcea578ff50a8eb333e [2024-11-08 19:49:57,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:49:57,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:49:57,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:49:57,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:49:57,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:49:57,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:49:57" (1/1) ... [2024-11-08 19:49:57,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ac96b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:57, skipping insertion in model container [2024-11-08 19:49:57,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:49:57" (1/1) ... [2024-11-08 19:49:57,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:49:57,938 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/sv-benchmarks/c/pthread-wmm/safe006_power.opt-thin000_power.opt.i[969,982] [2024-11-08 19:49:58,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:49:58,299 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:49:58,315 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/sv-benchmarks/c/pthread-wmm/safe006_power.opt-thin000_power.opt.i[969,982] [2024-11-08 19:49:58,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:49:58,486 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:49:58,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:58 WrapperNode [2024-11-08 19:49:58,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:49:58,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:49:58,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:49:58,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:49:58,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:58" (1/1) ... [2024-11-08 19:49:58,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:58" (1/1) ... [2024-11-08 19:49:58,593 INFO L138 Inliner]: procedures = 178, calls = 50, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2024-11-08 19:49:58,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:49:58,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:49:58,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:49:58,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:49:58,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:58" (1/1) ... [2024-11-08 19:49:58,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:58" (1/1) ... [2024-11-08 19:49:58,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:58" (1/1) ... [2024-11-08 19:49:58,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:58" (1/1) ... [2024-11-08 19:49:58,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:58" (1/1) ... [2024-11-08 19:49:58,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:58" (1/1) ... [2024-11-08 19:49:58,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:58" (1/1) ... [2024-11-08 19:49:58,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:58" (1/1) ... [2024-11-08 19:49:58,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:49:58,662 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:49:58,662 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:49:58,662 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:49:58,663 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:49:58" (1/1) ... [2024-11-08 19:49:58,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:49:58,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:49:58,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:49:58,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:49:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 19:49:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:49:58,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:49:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 19:49:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:49:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 19:49:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:49:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-08 19:49:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-08 19:49:58,746 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-08 19:49:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-08 19:49:58,746 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-08 19:49:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 19:49:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:49:58,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:49:58,749 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 19:49:58,965 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:49:58,971 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:49:59,535 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 19:49:59,535 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:49:59,934 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0bv8 == ~x$r_buff0_thd0~0 then 0bv8 else 1bv8);~x$r_buff1_thd1~0 := (if 0bv8 == ~x$r_buff0_thd1~0 then 0bv8 else 1bv8);~x$r_buff1_thd2~0 := (if 0bv8 == ~x$r_buff0_thd2~0 then 0bv8 else 1bv8);~x$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 19:49:59,938 INFO L158 Benchmark]: Toolchain (without parser) took 2340.96ms. Allocated memory is still 107.0MB. Free memory was 81.3MB in the beginning and 61.5MB in the end (delta: 19.8MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-08 19:49:59,939 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 69.2MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:49:59,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 889.45ms. Allocated memory is still 107.0MB. Free memory was 81.0MB in the beginning and 78.8MB in the end (delta: 2.2MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-11-08 19:49:59,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.40ms. Allocated memory is still 107.0MB. Free memory was 78.8MB in the beginning and 76.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:49:59,941 INFO L158 Benchmark]: Boogie Preprocessor took 61.62ms. Allocated memory is still 107.0MB. Free memory was 76.2MB in the beginning and 73.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:49:59,942 INFO L158 Benchmark]: RCFGBuilder took 1274.60ms. Allocated memory is still 107.0MB. Free memory was 73.5MB in the beginning and 61.5MB in the end (delta: 12.0MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2024-11-08 19:49:59,945 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 69.2MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 889.45ms. Allocated memory is still 107.0MB. Free memory was 81.0MB in the beginning and 78.8MB in the end (delta: 2.2MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.40ms. Allocated memory is still 107.0MB. Free memory was 78.8MB in the beginning and 76.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.62ms. Allocated memory is still 107.0MB. Free memory was 76.2MB in the beginning and 73.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1274.60ms. Allocated memory is still 107.0MB. Free memory was 73.5MB in the beginning and 61.5MB in the end (delta: 12.0MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0bv8 == ~x$r_buff0_thd0~0 then 0bv8 else 1bv8);~x$r_buff1_thd1~0 := (if 0bv8 == ~x$r_buff0_thd1~0 then 0bv8 else 1bv8);~x$r_buff1_thd2~0 := (if 0bv8 == ~x$r_buff0_thd2~0 then 0bv8 else 1bv8);~x$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0bv8 == ~x$r_buff0_thd0~0 then 0bv8 else 1bv8);~x$r_buff1_thd1~0 := (if 0bv8 == ~x$r_buff0_thd1~0 then 0bv8 else 1bv8);~x$r_buff1_thd2~0 := (if 0bv8 == ~x$r_buff0_thd2~0 then 0bv8 else 1bv8);~x$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 19:49:59,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60723627-9691-40f0-89ea-e6c663a99321/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0bv8 == ~x$r_buff0_thd0~0 then 0bv8 else 1bv8);~x$r_buff1_thd1~0 := (if 0bv8 == ~x$r_buff0_thd1~0 then 0bv8 else 1bv8);~x$r_buff1_thd2~0 := (if 0bv8 == ~x$r_buff0_thd2~0 then 0bv8 else 1bv8);~x$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?