./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe008_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe008_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi --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 384baf663e8fa66fe4dacec773bc2c5acf71b0d621e6212d04013b3fa3b41d51 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:18:13,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:18:13,949 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:18:13,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:18:13,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:18:14,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:18:14,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:18:14,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:18:14,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:18:14,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:18:14,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:18:14,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:18:14,015 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:18:14,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:18:14,018 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:18:14,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:18:14,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:18:14,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:18:14,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:18:14,020 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:18:14,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:18:14,021 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:18:14,022 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:18:14,023 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:18:14,023 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:18:14,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:18:14,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:14,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:18:14,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:18:14,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:18:14,027 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:18:14,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:18:14,028 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:18:14,028 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_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 384baf663e8fa66fe4dacec773bc2c5acf71b0d621e6212d04013b3fa3b41d51 [2023-11-24 22:18:14,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:18:14,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:18:14,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:18:14,318 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:18:14,319 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:18:14,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-wmm/safe008_power.opt.i [2023-11-24 22:18:17,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:18:17,793 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:18:17,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/sv-benchmarks/c/pthread-wmm/safe008_power.opt.i [2023-11-24 22:18:17,828 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/data/ea65875f7/d9d6512c9611410f902028c31bbfcdb2/FLAG87f5fd4c0 [2023-11-24 22:18:17,844 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/data/ea65875f7/d9d6512c9611410f902028c31bbfcdb2 [2023-11-24 22:18:17,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:18:17,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:18:17,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:17,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:18:17,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:18:17,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:17" (1/1) ... [2023-11-24 22:18:17,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d16d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:17, skipping insertion in model container [2023-11-24 22:18:17,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:17" (1/1) ... [2023-11-24 22:18:17,941 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:18,101 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_dab89199-e2d2-41d4-aed3-dc490031ac28/sv-benchmarks/c/pthread-wmm/safe008_power.opt.i[951,964] [2023-11-24 22:18:18,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:18,348 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:18,366 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_dab89199-e2d2-41d4-aed3-dc490031ac28/sv-benchmarks/c/pthread-wmm/safe008_power.opt.i[951,964] [2023-11-24 22:18:18,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:18,537 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:18,537 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:18,545 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:18,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:18 WrapperNode [2023-11-24 22:18:18,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:18,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:18,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:18,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:18,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:18" (1/1) ... [2023-11-24 22:18:18,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:18" (1/1) ... [2023-11-24 22:18:18,608 INFO L138 Inliner]: procedures = 176, calls = 73, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 130 [2023-11-24 22:18:18,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:18,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:18,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:18,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:18,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:18" (1/1) ... [2023-11-24 22:18:18,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:18" (1/1) ... [2023-11-24 22:18:18,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:18" (1/1) ... [2023-11-24 22:18:18,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:18" (1/1) ... [2023-11-24 22:18:18,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:18" (1/1) ... [2023-11-24 22:18:18,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:18" (1/1) ... [2023-11-24 22:18:18,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:18" (1/1) ... [2023-11-24 22:18:18,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:18" (1/1) ... [2023-11-24 22:18:18,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:18,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:18,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:18,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:18,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:18" (1/1) ... [2023-11-24 22:18:18,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:18,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:18,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:18,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:18:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:18:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:18:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:18:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:18:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:18:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:18:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:18:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-24 22:18:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-24 22:18:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-24 22:18:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-24 22:18:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-24 22:18:18,785 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-24 22:18:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:18:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:18:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:18,789 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:18:19,010 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:19,012 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:19,555 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:19,923 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_thd1~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 22:18:19,928 INFO L158 Benchmark]: Toolchain (without parser) took 2074.38ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 110.5MB in the beginning and 147.4MB in the end (delta: -37.0MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2023-11-24 22:18:19,929 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 151.0MB. Free memory was 98.6MB in the beginning and 98.5MB in the end (delta: 144.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:19,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.77ms. Allocated memory is still 151.0MB. Free memory was 110.5MB in the beginning and 85.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-24 22:18:19,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.81ms. Allocated memory is still 151.0MB. Free memory was 85.3MB in the beginning and 82.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:19,931 INFO L158 Benchmark]: Boogie Preprocessor took 85.97ms. Allocated memory is still 151.0MB. Free memory was 82.8MB in the beginning and 80.5MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:18:19,932 INFO L158 Benchmark]: RCFGBuilder took 1230.57ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 80.5MB in the beginning and 147.4MB in the end (delta: -67.0MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2023-11-24 22:18:19,936 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 151.0MB. Free memory was 98.6MB in the beginning and 98.5MB in the end (delta: 144.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.77ms. Allocated memory is still 151.0MB. Free memory was 110.5MB in the beginning and 85.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.81ms. Allocated memory is still 151.0MB. Free memory was 85.3MB in the beginning and 82.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 85.97ms. Allocated memory is still 151.0MB. Free memory was 82.8MB in the beginning and 80.5MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1230.57ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 80.5MB in the beginning and 147.4MB in the end (delta: -67.0MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~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$r_buff0_thd1~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~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_thd1~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:18:19,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/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 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_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe008_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi --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 384baf663e8fa66fe4dacec773bc2c5acf71b0d621e6212d04013b3fa3b41d51 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:18:22,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:18:22,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:18:22,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:18:22,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:18:22,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:18:22,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:18:22,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:18:22,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:18:22,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:18:22,900 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:18:22,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:18:22,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:18:22,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:18:22,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:18:22,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:18:22,904 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:18:22,904 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:18:22,905 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:18:22,906 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:18:22,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:18:22,907 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:18:22,907 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:18:22,908 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:18:22,908 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:18:22,909 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:18:22,909 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:18:22,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:18:22,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:22,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:18:22,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:18:22,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:18:22,912 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:18:22,913 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:18:22,913 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:18:22,913 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:18:22,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:18:22,914 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_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 384baf663e8fa66fe4dacec773bc2c5acf71b0d621e6212d04013b3fa3b41d51 [2023-11-24 22:18:23,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:18:23,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:18:23,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:18:23,386 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:18:23,387 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:18:23,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-wmm/safe008_power.opt.i [2023-11-24 22:18:26,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:18:26,923 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:18:26,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/sv-benchmarks/c/pthread-wmm/safe008_power.opt.i [2023-11-24 22:18:26,946 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/data/cff5bfc3e/e9fa575a5a6a4ba2968f4129458dc12e/FLAGe6553f82a [2023-11-24 22:18:26,961 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/data/cff5bfc3e/e9fa575a5a6a4ba2968f4129458dc12e [2023-11-24 22:18:26,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:18:26,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:18:26,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:26,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:18:26,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:18:26,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:26" (1/1) ... [2023-11-24 22:18:26,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0c2819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:26, skipping insertion in model container [2023-11-24 22:18:26,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:26" (1/1) ... [2023-11-24 22:18:27,044 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:27,241 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_dab89199-e2d2-41d4-aed3-dc490031ac28/sv-benchmarks/c/pthread-wmm/safe008_power.opt.i[951,964] [2023-11-24 22:18:27,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:27,678 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:27,697 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_dab89199-e2d2-41d4-aed3-dc490031ac28/sv-benchmarks/c/pthread-wmm/safe008_power.opt.i[951,964] [2023-11-24 22:18:27,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:27,818 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:27,818 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:27,827 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:27,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27 WrapperNode [2023-11-24 22:18:27,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:27,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:27,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:27,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:27,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,932 INFO L138 Inliner]: procedures = 180, calls = 73, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 131 [2023-11-24 22:18:27,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:27,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:27,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:27,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:27,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:28,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:28,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:28,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:28,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:28,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:28,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:28,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:28,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:28,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:28,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:28,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:28,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:18:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:18:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:18:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:18:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:18:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:18:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:18:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:18:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:18:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 22:18:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-24 22:18:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-24 22:18:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-24 22:18:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-24 22:18:28,147 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-24 22:18:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-24 22:18:28,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:18:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:28,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:28,150 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:18:28,342 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:28,345 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:28,980 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:29,411 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_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 22:18:29,418 INFO L158 Benchmark]: Toolchain (without parser) took 2450.75ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 48.0MB in the beginning and 70.8MB in the end (delta: -22.7MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2023-11-24 22:18:29,419 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:29,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 861.25ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 47.9MB in the beginning and 72.8MB in the end (delta: -24.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:18:29,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.90ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 70.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:29,422 INFO L158 Benchmark]: Boogie Preprocessor took 99.75ms. Allocated memory is still 107.0MB. Free memory was 70.3MB in the beginning and 67.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:18:29,423 INFO L158 Benchmark]: RCFGBuilder took 1380.66ms. Allocated memory is still 107.0MB. Free memory was 67.3MB in the beginning and 70.8MB in the end (delta: -3.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-11-24 22:18:29,433 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 861.25ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 47.9MB in the beginning and 72.8MB in the end (delta: -24.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.90ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 70.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.75ms. Allocated memory is still 107.0MB. Free memory was 70.3MB in the beginning and 67.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1380.66ms. Allocated memory is still 107.0MB. Free memory was 67.3MB in the beginning and 70.8MB in the end (delta: -3.5MB). Peak memory consumption was 28.8MB. 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$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~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_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:18:29,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dab89199-e2d2-41d4-aed3-dc490031ac28/bin/ukojak-verify-afCqCEvfdi/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_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?