./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL --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 473191b5f1326a38296af26dcd2c7f553c42833f82b512e9fb358484309bc769 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:32:55,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:32:55,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:32:55,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:32:55,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:32:55,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:32:55,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:32:55,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:32:55,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:32:55,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:32:55,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:32:55,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:32:55,753 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:32:55,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:32:55,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:32:55,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:32:55,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:32:55,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:32:55,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:32:55,757 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:32:55,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:32:55,758 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:32:55,759 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:32:55,759 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:32:55,760 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:32:55,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:32:55,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:55,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:32:55,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:32:55,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:32:55,763 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:32:55,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:32:55,764 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:32:55,764 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_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 473191b5f1326a38296af26dcd2c7f553c42833f82b512e9fb358484309bc769 [2023-11-19 03:32:56,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:32:56,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:32:56,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:32:56,066 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:32:56,067 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:32:56,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-19 03:32:59,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:32:59,364 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:32:59,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-19 03:32:59,384 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/data/0f9e0e1c6/1981c724e2a54bf8924dbe532b9a2a89/FLAG40659c1cd [2023-11-19 03:32:59,398 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/data/0f9e0e1c6/1981c724e2a54bf8924dbe532b9a2a89 [2023-11-19 03:32:59,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:32:59,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:32:59,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:59,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:32:59,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:32:59,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:59" (1/1) ... [2023-11-19 03:32:59,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a2bed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:59, skipping insertion in model container [2023-11-19 03:32:59,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:59" (1/1) ... [2023-11-19 03:32:59,458 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:32:59,632 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_ad2693a1-9554-4999-8691-b27c1d9a5cb9/sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2023-11-19 03:32:59,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:59,891 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:32:59,904 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_ad2693a1-9554-4999-8691-b27c1d9a5cb9/sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2023-11-19 03:32:59,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:59,996 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:32:59,997 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:33:00,005 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:33:00,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:00 WrapperNode [2023-11-19 03:33:00,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:00,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:00,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:33:00,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:33:00,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:00" (1/1) ... [2023-11-19 03:33:00,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:00" (1/1) ... [2023-11-19 03:33:00,061 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2023-11-19 03:33:00,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:00,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:33:00,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:33:00,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:33:00,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:00" (1/1) ... [2023-11-19 03:33:00,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:00" (1/1) ... [2023-11-19 03:33:00,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:00" (1/1) ... [2023-11-19 03:33:00,078 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:00" (1/1) ... [2023-11-19 03:33:00,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:00" (1/1) ... [2023-11-19 03:33:00,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:00" (1/1) ... [2023-11-19 03:33:00,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:00" (1/1) ... [2023-11-19 03:33:00,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:00" (1/1) ... [2023-11-19 03:33:00,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:33:00,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:33:00,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:33:00,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:33:00,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:00" (1/1) ... [2023-11-19 03:33:00,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:00,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:33:00,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:33:00,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:33:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:33:00,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:33:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:33:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:33:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:33:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:33:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:33:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 03:33:00,207 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 03:33:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 03:33:00,207 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 03:33:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 03:33:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 03:33:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 03:33:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 03:33:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:33:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:33:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:33:00,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:33:00,210 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:33:00,360 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:33:00,362 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:33:00,702 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:33:00,936 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:33:00,936 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:33:00,939 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 2;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:33:00,944 INFO L158 Benchmark]: Toolchain (without parser) took 1541.12ms. Allocated memory is still 155.2MB. Free memory was 111.5MB in the beginning and 112.6MB in the end (delta: -1.1MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2023-11-19 03:33:00,944 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 155.2MB. Free memory is still 129.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:33:00,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.79ms. Allocated memory is still 155.2MB. Free memory was 111.5MB in the beginning and 87.5MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:33:00,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.60ms. Allocated memory is still 155.2MB. Free memory was 87.5MB in the beginning and 84.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:33:00,947 INFO L158 Benchmark]: Boogie Preprocessor took 51.92ms. Allocated memory is still 155.2MB. Free memory was 84.8MB in the beginning and 82.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:33:00,947 INFO L158 Benchmark]: RCFGBuilder took 826.59ms. Allocated memory is still 155.2MB. Free memory was 82.7MB in the beginning and 112.6MB in the end (delta: -29.9MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-11-19 03:33:00,951 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 155.2MB. Free memory is still 129.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 602.79ms. Allocated memory is still 155.2MB. Free memory was 111.5MB in the beginning and 87.5MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.60ms. Allocated memory is still 155.2MB. Free memory was 87.5MB in the beginning and 84.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.92ms. Allocated memory is still 155.2MB. Free memory was 84.8MB in the beginning and 82.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 826.59ms. Allocated memory is still 155.2MB. Free memory was 82.7MB in the beginning and 112.6MB in the end (delta: -29.9MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 2;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 2;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:33:01,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/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_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL --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 473191b5f1326a38296af26dcd2c7f553c42833f82b512e9fb358484309bc769 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:33:03,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:33:03,645 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:33:03,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:33:03,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:33:03,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:33:03,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:33:03,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:33:03,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:33:03,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:33:03,702 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:33:03,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:33:03,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:33:03,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:33:03,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:33:03,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:33:03,706 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:33:03,706 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:33:03,707 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:33:03,707 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:33:03,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:33:03,708 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:33:03,709 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:33:03,709 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:33:03,709 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:33:03,710 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:33:03,710 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:33:03,711 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:33:03,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:03,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:33:03,714 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:33:03,714 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:33:03,714 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:33:03,715 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:33:03,715 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:33:03,715 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:33:03,716 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:33:03,716 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_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 473191b5f1326a38296af26dcd2c7f553c42833f82b512e9fb358484309bc769 [2023-11-19 03:33:04,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:33:04,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:33:04,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:33:04,187 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:33:04,187 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:33:04,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-19 03:33:07,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:33:07,843 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:33:07,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-19 03:33:07,870 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/data/bf07d980f/c5205e2f33764c0681d024fa8366db5f/FLAG4a8775345 [2023-11-19 03:33:07,889 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/data/bf07d980f/c5205e2f33764c0681d024fa8366db5f [2023-11-19 03:33:07,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:33:07,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:33:07,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:07,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:33:07,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:33:07,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:33:07" (1/1) ... [2023-11-19 03:33:07,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10991e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:07, skipping insertion in model container [2023-11-19 03:33:07,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:33:07" (1/1) ... [2023-11-19 03:33:07,984 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:33:08,208 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_ad2693a1-9554-4999-8691-b27c1d9a5cb9/sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2023-11-19 03:33:08,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:08,573 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:33:08,589 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_ad2693a1-9554-4999-8691-b27c1d9a5cb9/sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2023-11-19 03:33:08,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:08,747 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:33:08,747 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:33:08,755 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:33:08,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08 WrapperNode [2023-11-19 03:33:08,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:08,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:08,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:33:08,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:33:08,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,823 INFO L138 Inliner]: procedures = 180, calls = 71, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2023-11-19 03:33:08,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:08,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:33:08,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:33:08,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:33:08,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,870 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:33:08,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:33:08,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:33:08,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:33:08,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:08,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:33:08,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:33:08,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:33:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:33:08,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:33:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:33:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:33:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:33:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:33:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:33:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:33:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 03:33:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 03:33:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 03:33:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 03:33:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 03:33:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 03:33:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 03:33:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 03:33:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:33:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:33:08,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:33:08,952 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:33:09,116 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:33:09,119 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:33:09,549 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:33:09,691 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:33:09,691 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:33:09,693 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 2bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:33:09,697 INFO L158 Benchmark]: Toolchain (without parser) took 1798.48ms. Allocated memory is still 98.6MB. Free memory was 76.7MB in the beginning and 58.9MB in the end (delta: 17.9MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2023-11-19 03:33:09,698 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:33:09,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 853.53ms. Allocated memory is still 98.6MB. Free memory was 76.5MB in the beginning and 73.8MB in the end (delta: 2.7MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-11-19 03:33:09,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.76ms. Allocated memory is still 98.6MB. Free memory was 73.8MB in the beginning and 71.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:33:09,700 INFO L158 Benchmark]: Boogie Preprocessor took 54.75ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 69.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:33:09,700 INFO L158 Benchmark]: RCFGBuilder took 816.21ms. Allocated memory is still 98.6MB. Free memory was 69.2MB in the beginning and 58.9MB in the end (delta: 10.3MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-11-19 03:33:09,703 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 853.53ms. Allocated memory is still 98.6MB. Free memory was 76.5MB in the beginning and 73.8MB in the end (delta: 2.7MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.76ms. Allocated memory is still 98.6MB. Free memory was 73.8MB in the beginning and 71.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.75ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 69.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 816.21ms. Allocated memory is still 98.6MB. Free memory was 69.2MB in the beginning and 58.9MB in the end (delta: 10.3MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 2bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 2bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:33:09,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad2693a1-9554-4999-8691-b27c1d9a5cb9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 2bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?