./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.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_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/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_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/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_5cab6477-37c9-4d3b-a8c9-6c612baf8758/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 10a668ec1ea7995e15ba3bf7e664e16993ba1d6d90153ec7cf305acc426b53b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:41,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:41,793 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:53:41,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:53:41,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:53:41,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:41,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:41,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:41,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:41,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:41,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:41,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:41,856 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:41,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:53:41,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:41,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:41,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:41,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:41,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:41,861 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:41,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:41,862 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:41,862 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:41,862 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:41,863 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:41,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:41,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:41,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:41,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:41,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:41,867 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:53:41,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:53:41,867 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:41,867 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_5cab6477-37c9-4d3b-a8c9-6c612baf8758/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a668ec1ea7995e15ba3bf7e664e16993ba1d6d90153ec7cf305acc426b53b6 [2023-11-19 02:53:42,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:42,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:42,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:42,206 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:42,207 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:42,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i [2023-11-19 02:53:45,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:45,782 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:45,784 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i [2023-11-19 02:53:45,811 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/data/93120bf0b/49fa3f0a2e9d449bb738ebbb91425432/FLAG68e0b8061 [2023-11-19 02:53:45,833 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/data/93120bf0b/49fa3f0a2e9d449bb738ebbb91425432 [2023-11-19 02:53:45,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:45,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:45,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:45,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:45,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:45,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:45" (1/1) ... [2023-11-19 02:53:45,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed63b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:45, skipping insertion in model container [2023-11-19 02:53:45,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:45" (1/1) ... [2023-11-19 02:53:45,925 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:46,120 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_5cab6477-37c9-4d3b-a8c9-6c612baf8758/sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i[959,972] [2023-11-19 02:53:46,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:46,443 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:46,469 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_5cab6477-37c9-4d3b-a8c9-6c612baf8758/sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i[959,972] [2023-11-19 02:53:46,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:46,611 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:53:46,612 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:53:46,620 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:46,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:46 WrapperNode [2023-11-19 02:53:46,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:46,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:46,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:46,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:46,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:46" (1/1) ... [2023-11-19 02:53:46,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:46" (1/1) ... [2023-11-19 02:53:46,719 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 104 [2023-11-19 02:53:46,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:46,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:46,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:46,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:46,733 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:46" (1/1) ... [2023-11-19 02:53:46,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:46" (1/1) ... [2023-11-19 02:53:46,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:46" (1/1) ... [2023-11-19 02:53:46,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:46" (1/1) ... [2023-11-19 02:53:46,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:46" (1/1) ... [2023-11-19 02:53:46,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:46" (1/1) ... [2023-11-19 02:53:46,782 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:46" (1/1) ... [2023-11-19 02:53:46,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:46" (1/1) ... [2023-11-19 02:53:46,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:46,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:46,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:46,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:46,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:46" (1/1) ... [2023-11-19 02:53:46,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:46,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:46,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:46,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:53:46,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:53:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:53:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:53:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:53:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:53:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 02:53:46,872 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 02:53:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 02:53:46,873 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 02:53:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 02:53:46,873 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 02:53:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:53:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:53:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:46,876 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 02:53:47,039 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:47,042 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:47,434 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:47,624 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:47,624 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:53:47,626 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 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:328) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 02:53:47,635 INFO L158 Benchmark]: Toolchain (without parser) took 1791.35ms. Allocated memory is still 178.3MB. Free memory was 140.7MB in the beginning and 127.0MB in the end (delta: 13.7MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2023-11-19 02:53:47,636 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory was 65.1MB in the beginning and 64.9MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:47,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 774.57ms. Allocated memory is still 178.3MB. Free memory was 140.7MB in the beginning and 117.2MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 02:53:47,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.79ms. Allocated memory is still 178.3MB. Free memory was 117.2MB in the beginning and 114.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:47,640 INFO L158 Benchmark]: Boogie Preprocessor took 67.74ms. Allocated memory is still 178.3MB. Free memory was 114.8MB in the beginning and 112.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:47,641 INFO L158 Benchmark]: RCFGBuilder took 844.43ms. Allocated memory is still 178.3MB. Free memory was 112.7MB in the beginning and 127.0MB in the end (delta: -14.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 02:53:47,649 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory was 65.1MB in the beginning and 64.9MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 774.57ms. Allocated memory is still 178.3MB. Free memory was 140.7MB in the beginning and 117.2MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.79ms. Allocated memory is still 178.3MB. Free memory was 117.2MB in the beginning and 114.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.74ms. Allocated memory is still 178.3MB. Free memory was 114.8MB in the beginning and 112.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 844.43ms. Allocated memory is still 178.3MB. Free memory was 112.7MB in the beginning and 127.0MB in the end (delta: -14.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:53:47,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/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_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/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_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/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_5cab6477-37c9-4d3b-a8c9-6c612baf8758/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 10a668ec1ea7995e15ba3bf7e664e16993ba1d6d90153ec7cf305acc426b53b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:50,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:50,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:53:50,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:50,582 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:50,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:50,583 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:50,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:50,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:50,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:50,591 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:50,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:50,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:50,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:50,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:50,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:50,595 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:53:50,596 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:53:50,596 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:53:50,597 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:50,597 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:50,598 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:50,598 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:50,599 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:50,599 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:50,600 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:50,600 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:53:50,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:50,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:50,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:50,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:50,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:50,604 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:53:50,604 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:50,605 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:50,605 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:53:50,605 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:53:50,606 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_5cab6477-37c9-4d3b-a8c9-6c612baf8758/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a668ec1ea7995e15ba3bf7e664e16993ba1d6d90153ec7cf305acc426b53b6 [2023-11-19 02:53:51,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:51,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:51,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:51,054 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:51,054 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:51,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i [2023-11-19 02:53:54,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:54,604 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:54,604 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i [2023-11-19 02:53:54,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/data/da4be29c5/945c5e0ab4994919a78675a1d76ff071/FLAG674674ef7 [2023-11-19 02:53:54,639 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/data/da4be29c5/945c5e0ab4994919a78675a1d76ff071 [2023-11-19 02:53:54,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:54,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:54,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:54,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:54,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:54,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:54" (1/1) ... [2023-11-19 02:53:54,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f90f3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:54, skipping insertion in model container [2023-11-19 02:53:54,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:54" (1/1) ... [2023-11-19 02:53:54,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:54,958 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_5cab6477-37c9-4d3b-a8c9-6c612baf8758/sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i[959,972] [2023-11-19 02:53:55,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:55,249 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:55,262 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_5cab6477-37c9-4d3b-a8c9-6c612baf8758/sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i[959,972] [2023-11-19 02:53:55,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:55,404 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:53:55,404 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:53:55,413 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:55,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:55 WrapperNode [2023-11-19 02:53:55,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:55,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:55,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:55,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:55,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:55" (1/1) ... [2023-11-19 02:53:55,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:55" (1/1) ... [2023-11-19 02:53:55,541 INFO L138 Inliner]: procedures = 179, calls = 54, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2023-11-19 02:53:55,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:55,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:55,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:55,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:55,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:55" (1/1) ... [2023-11-19 02:53:55,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:55" (1/1) ... [2023-11-19 02:53:55,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:55" (1/1) ... [2023-11-19 02:53:55,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:55" (1/1) ... [2023-11-19 02:53:55,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:55" (1/1) ... [2023-11-19 02:53:55,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:55" (1/1) ... [2023-11-19 02:53:55,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:55" (1/1) ... [2023-11-19 02:53:55,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:55" (1/1) ... [2023-11-19 02:53:55,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:55,622 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:55,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:55,622 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:55,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:55" (1/1) ... [2023-11-19 02:53:55,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:55,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:55,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:55,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:53:55,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:53:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:53:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:53:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:53:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:53:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:53:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 02:53:55,710 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 02:53:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 02:53:55,710 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 02:53:55,712 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 02:53:55,712 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 02:53:55,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:53:55,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:55,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:55,714 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 02:53:55,941 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:55,944 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:56,285 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:56,536 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:56,536 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:53:56,539 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 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:328) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 02:53:56,545 INFO L158 Benchmark]: Toolchain (without parser) took 1899.22ms. Allocated memory is still 102.8MB. Free memory was 77.4MB in the beginning and 37.9MB in the end (delta: 39.5MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2023-11-19 02:53:56,547 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:56,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 764.95ms. Allocated memory is still 102.8MB. Free memory was 77.1MB in the beginning and 53.0MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:56,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.81ms. Allocated memory is still 102.8MB. Free memory was 53.0MB in the beginning and 81.0MB in the end (delta: -28.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-11-19 02:53:56,550 INFO L158 Benchmark]: Boogie Preprocessor took 78.37ms. Allocated memory is still 102.8MB. Free memory was 81.0MB in the beginning and 78.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:56,551 INFO L158 Benchmark]: RCFGBuilder took 921.66ms. Allocated memory is still 102.8MB. Free memory was 78.9MB in the beginning and 37.9MB in the end (delta: 41.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 02:53:56,561 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 764.95ms. Allocated memory is still 102.8MB. Free memory was 77.1MB in the beginning and 53.0MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.81ms. Allocated memory is still 102.8MB. Free memory was 53.0MB in the beginning and 81.0MB in the end (delta: -28.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.37ms. Allocated memory is still 102.8MB. Free memory was 81.0MB in the beginning and 78.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 921.66ms. Allocated memory is still 102.8MB. Free memory was 78.9MB in the beginning and 37.9MB in the end (delta: 41.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:53:56,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cab6477-37c9-4d3b-a8c9-6c612baf8758/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?