./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe021_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/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_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe021_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9 --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 cbb513b70df4783d73c8ce937f205ecfc8e5e869592c62a4af16bc0bc109e7a4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:14:44,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:14:44,971 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:14:44,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:14:44,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:14:44,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:14:44,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:14:44,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:14:45,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:14:45,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:14:45,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:14:45,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:14:45,002 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:14:45,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:14:45,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:14:45,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:14:45,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:14:45,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:14:45,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:14:45,005 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:14:45,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:14:45,006 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:14:45,007 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:14:45,008 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:14:45,008 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:14:45,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:14:45,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:14:45,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:14:45,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:14:45,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:14:45,011 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:14:45,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:14:45,012 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:14:45,013 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_103a119b-fc5e-4702-af86-5f7e1d3af3c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbb513b70df4783d73c8ce937f205ecfc8e5e869592c62a4af16bc0bc109e7a4 [2023-12-03 02:14:45,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:14:45,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:14:45,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:14:45,237 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:14:45,237 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:14:45,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/safe021_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i [2023-12-03 02:14:47,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:14:48,209 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:14:48,210 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/sv-benchmarks/c/pthread-wmm/safe021_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i [2023-12-03 02:14:48,226 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/data/59f713813/aaf695facb0e41668e9df8e9fb4ccbf0/FLAG4e0a73597 [2023-12-03 02:14:48,240 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/data/59f713813/aaf695facb0e41668e9df8e9fb4ccbf0 [2023-12-03 02:14:48,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:14:48,243 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:14:48,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:14:48,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:14:48,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:14:48,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:14:48" (1/1) ... [2023-12-03 02:14:48,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e97495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:48, skipping insertion in model container [2023-12-03 02:14:48,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:14:48" (1/1) ... [2023-12-03 02:14:48,308 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:14:48,479 WARN L240 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_103a119b-fc5e-4702-af86-5f7e1d3af3c8/sv-benchmarks/c/pthread-wmm/safe021_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i[978,991] [2023-12-03 02:14:48,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:14:48,700 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:14:48,714 WARN L240 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_103a119b-fc5e-4702-af86-5f7e1d3af3c8/sv-benchmarks/c/pthread-wmm/safe021_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i[978,991] [2023-12-03 02:14:48,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:14:48,796 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:14:48,797 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:14:48,806 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:14:48,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:48 WrapperNode [2023-12-03 02:14:48,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:14:48,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:14:48,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:14:48,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:14:48,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:48" (1/1) ... [2023-12-03 02:14:48,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:48" (1/1) ... [2023-12-03 02:14:48,863 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2023-12-03 02:14:48,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:14:48,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:14:48,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:14:48,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:14:48,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:48" (1/1) ... [2023-12-03 02:14:48,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:48" (1/1) ... [2023-12-03 02:14:48,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:48" (1/1) ... [2023-12-03 02:14:48,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:48" (1/1) ... [2023-12-03 02:14:48,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:48" (1/1) ... [2023-12-03 02:14:48,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:48" (1/1) ... [2023-12-03 02:14:48,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:48" (1/1) ... [2023-12-03 02:14:48,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:48" (1/1) ... [2023-12-03 02:14:48,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:14:48,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:14:48,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:14:48,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:14:48,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:48" (1/1) ... [2023-12-03 02:14:48,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:14:48,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:14:48,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:14:48,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:14:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:14:48,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:14:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:14:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 02:14:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:14:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:14:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:14:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-03 02:14:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-03 02:14:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-03 02:14:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-03 02:14:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-03 02:14:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-03 02:14:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:14:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 02:14:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:14:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:14:48,981 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 02:14:49,138 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:14:49,140 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:14:49,420 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:14:49,544 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_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.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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 02:14:49,548 INFO L158 Benchmark]: Toolchain (without parser) took 1304.23ms. Allocated memory is still 144.7MB. Free memory was 113.2MB in the beginning and 110.4MB in the end (delta: 2.8MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-12-03 02:14:49,549 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:14:49,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.99ms. Allocated memory is still 144.7MB. Free memory was 113.2MB in the beginning and 89.7MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 02:14:49,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.29ms. Allocated memory is still 144.7MB. Free memory was 89.2MB in the beginning and 87.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:14:49,551 INFO L158 Benchmark]: Boogie Preprocessor took 38.41ms. Allocated memory is still 144.7MB. Free memory was 87.1MB in the beginning and 85.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:14:49,552 INFO L158 Benchmark]: RCFGBuilder took 642.60ms. Allocated memory is still 144.7MB. Free memory was 85.0MB in the beginning and 110.4MB in the end (delta: -25.4MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2023-12-03 02:14:49,555 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 562.99ms. Allocated memory is still 144.7MB. Free memory was 113.2MB in the beginning and 89.7MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.29ms. Allocated memory is still 144.7MB. Free memory was 89.2MB in the beginning and 87.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.41ms. Allocated memory is still 144.7MB. Free memory was 87.1MB in the beginning and 85.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 642.60ms. Allocated memory is still 144.7MB. Free memory was 85.0MB in the beginning and 110.4MB in the end (delta: -25.4MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~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$r_buff0_thd1~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$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_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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:14:49,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/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_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/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_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe021_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9 --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 cbb513b70df4783d73c8ce937f205ecfc8e5e869592c62a4af16bc0bc109e7a4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:14:51,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:14:51,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:14:51,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:14:51,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:14:51,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:14:51,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:14:51,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:14:51,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:14:51,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:14:51,645 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:14:51,645 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:14:51,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:14:51,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:14:51,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:14:51,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:14:51,648 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:14:51,648 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:14:51,649 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:14:51,649 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:14:51,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:14:51,655 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:14:51,656 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:14:51,656 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:14:51,656 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:14:51,657 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:51,657 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:14:51,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:14:51,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:14:51,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:14:51,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:14:51,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:14:51,659 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:14:51,660 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:51,660 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:14:51,660 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:14:51,660 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:14:51,661 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_103a119b-fc5e-4702-af86-5f7e1d3af3c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbb513b70df4783d73c8ce937f205ecfc8e5e869592c62a4af16bc0bc109e7a4 [2023-12-03 02:14:51,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:14:51,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:14:51,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:14:51,984 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:14:51,984 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:14:51,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/safe021_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i [2023-12-03 02:14:54,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:14:54,996 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:14:54,997 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/sv-benchmarks/c/pthread-wmm/safe021_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i [2023-12-03 02:14:55,014 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/data/abc4d0147/3c666bd64ffa4686bf4324d9606ab4ba/FLAGdbedeb5b6 [2023-12-03 02:14:55,028 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/data/abc4d0147/3c666bd64ffa4686bf4324d9606ab4ba [2023-12-03 02:14:55,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:14:55,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:14:55,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:14:55,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:14:55,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:14:55,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:14:55" (1/1) ... [2023-12-03 02:14:55,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@643502d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:55, skipping insertion in model container [2023-12-03 02:14:55,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:14:55" (1/1) ... [2023-12-03 02:14:55,090 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:14:55,234 WARN L240 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_103a119b-fc5e-4702-af86-5f7e1d3af3c8/sv-benchmarks/c/pthread-wmm/safe021_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i[978,991] [2023-12-03 02:14:55,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:14:55,446 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:14:55,457 WARN L240 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_103a119b-fc5e-4702-af86-5f7e1d3af3c8/sv-benchmarks/c/pthread-wmm/safe021_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i[978,991] [2023-12-03 02:14:55,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:14:55,538 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:14:55,538 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:14:55,544 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:14:55,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:55 WrapperNode [2023-12-03 02:14:55,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:14:55,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:14:55,546 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:14:55,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:14:55,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:55" (1/1) ... [2023-12-03 02:14:55,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:55" (1/1) ... [2023-12-03 02:14:55,597 INFO L138 Inliner]: procedures = 179, calls = 54, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2023-12-03 02:14:55,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:14:55,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:14:55,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:14:55,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:14:55,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:55" (1/1) ... [2023-12-03 02:14:55,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:55" (1/1) ... [2023-12-03 02:14:55,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:55" (1/1) ... [2023-12-03 02:14:55,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:55" (1/1) ... [2023-12-03 02:14:55,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:55" (1/1) ... [2023-12-03 02:14:55,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:55" (1/1) ... [2023-12-03 02:14:55,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:55" (1/1) ... [2023-12-03 02:14:55,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:55" (1/1) ... [2023-12-03 02:14:55,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:14:55,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:14:55,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:14:55,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:14:55,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:14:55" (1/1) ... [2023-12-03 02:14:55,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:14:55,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:14:55,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:14:55,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:14:55,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:14:55,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:14:55,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 02:14:55,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:14:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:14:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:14:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:14:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:14:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-03 02:14:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-03 02:14:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-03 02:14:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-03 02:14:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-03 02:14:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-03 02:14:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 02:14:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:14:55,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:14:55,720 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 02:14:55,899 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:14:55,901 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:14:56,215 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:14:56,322 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_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.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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 02:14:56,327 INFO L158 Benchmark]: Toolchain (without parser) took 1294.63ms. Allocated memory is still 121.6MB. Free memory was 96.3MB in the beginning and 65.5MB in the end (delta: 30.8MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2023-12-03 02:14:56,328 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 38.9MB in the beginning and 38.8MB in the end (delta: 72.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:14:56,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 511.88ms. Allocated memory is still 121.6MB. Free memory was 96.3MB in the beginning and 71.8MB in the end (delta: 24.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 02:14:56,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.65ms. Allocated memory is still 121.6MB. Free memory was 71.8MB in the beginning and 69.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:14:56,330 INFO L158 Benchmark]: Boogie Preprocessor took 40.06ms. Allocated memory is still 121.6MB. Free memory was 69.4MB in the beginning and 67.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:14:56,331 INFO L158 Benchmark]: RCFGBuilder took 685.30ms. Allocated memory is still 121.6MB. Free memory was 66.9MB in the beginning and 65.5MB in the end (delta: 1.5MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2023-12-03 02:14:56,334 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 38.9MB in the beginning and 38.8MB in the end (delta: 72.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 511.88ms. Allocated memory is still 121.6MB. Free memory was 96.3MB in the beginning and 71.8MB in the end (delta: 24.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.65ms. Allocated memory is still 121.6MB. Free memory was 71.8MB in the beginning and 69.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.06ms. Allocated memory is still 121.6MB. Free memory was 69.4MB in the beginning and 67.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 685.30ms. Allocated memory is still 121.6MB. Free memory was 66.9MB in the beginning and 65.5MB in the end (delta: 1.5MB). Peak memory consumption was 9.4MB. 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$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$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_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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:14:56,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a119b-fc5e-4702-af86-5f7e1d3af3c8/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_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?