./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/thin002_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_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin002_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:59:22,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:59:22,461 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:59:22,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:59:22,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:59:22,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:59:22,492 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:59:22,492 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:59:22,493 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:59:22,493 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:59:22,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:59:22,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:59:22,495 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:59:22,495 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:59:22,496 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:59:22,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:59:22,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:59:22,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:59:22,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:59:22,498 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:59:22,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:59:22,499 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:59:22,500 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:59:22,500 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:59:22,501 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:59:22,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:59:22,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:59:22,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:59:22,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:59:22,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:59:22,503 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:59:22,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:59:22,504 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:59:22,504 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_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 [2023-12-03 00:59:22,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:59:22,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:59:22,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:59:22,757 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:59:22,757 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:59:22,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/thin002_power.opt.i [2023-12-03 00:59:25,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:59:25,825 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:59:25,826 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/sv-benchmarks/c/pthread-wmm/thin002_power.opt.i [2023-12-03 00:59:25,845 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/data/5b95919ed/5994f08cff1c4241ad487885d05ca038/FLAGeb7449f3e [2023-12-03 00:59:25,856 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/data/5b95919ed/5994f08cff1c4241ad487885d05ca038 [2023-12-03 00:59:25,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:59:25,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:59:25,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:59:25,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:59:25,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:59:25,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:59:25" (1/1) ... [2023-12-03 00:59:25,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a80fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:25, skipping insertion in model container [2023-12-03 00:59:25,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:59:25" (1/1) ... [2023-12-03 00:59:25,918 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:59:26,055 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_506fb0ac-2438-4bbf-8cc9-647731ab287a/sv-benchmarks/c/pthread-wmm/thin002_power.opt.i[951,964] [2023-12-03 00:59:26,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:59:26,240 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:59:26,250 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_506fb0ac-2438-4bbf-8cc9-647731ab287a/sv-benchmarks/c/pthread-wmm/thin002_power.opt.i[951,964] [2023-12-03 00:59:26,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:59:26,335 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:59:26,335 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:59:26,341 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:59:26,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:26 WrapperNode [2023-12-03 00:59:26,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:59:26,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:59:26,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:59:26,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:59:26,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:26" (1/1) ... [2023-12-03 00:59:26,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:26" (1/1) ... [2023-12-03 00:59:26,393 INFO L138 Inliner]: procedures = 177, calls = 84, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 148 [2023-12-03 00:59:26,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:59:26,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:59:26,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:59:26,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:59:26,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:26" (1/1) ... [2023-12-03 00:59:26,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:26" (1/1) ... [2023-12-03 00:59:26,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:26" (1/1) ... [2023-12-03 00:59:26,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:26" (1/1) ... [2023-12-03 00:59:26,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:26" (1/1) ... [2023-12-03 00:59:26,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:26" (1/1) ... [2023-12-03 00:59:26,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:26" (1/1) ... [2023-12-03 00:59:26,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:26" (1/1) ... [2023-12-03 00:59:26,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:59:26,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:59:26,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:59:26,449 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:59:26,450 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:26" (1/1) ... [2023-12-03 00:59:26,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:59:26,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:59:26,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:59:26,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:59:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:59:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:59:26,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:59:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:59:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 00:59:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:59:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:59:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:59:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-03 00:59:26,517 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-03 00:59:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-03 00:59:26,517 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-03 00:59:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-03 00:59:26,517 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-03 00:59:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-12-03 00:59:26,517 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-12-03 00:59:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:59:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 00:59:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:59:26,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:59:26,520 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 00:59:26,670 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:59:26,672 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:59:27,060 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:59:27,289 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd3~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:59:27,293 INFO L158 Benchmark]: Toolchain (without parser) took 1433.18ms. Allocated memory is still 148.9MB. Free memory was 101.5MB in the beginning and 96.7MB in the end (delta: 4.8MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2023-12-03 00:59:27,294 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:59:27,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.33ms. Allocated memory is still 148.9MB. Free memory was 101.4MB in the beginning and 76.4MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-03 00:59:27,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.96ms. Allocated memory is still 148.9MB. Free memory was 76.4MB in the beginning and 73.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:59:27,296 INFO L158 Benchmark]: Boogie Preprocessor took 53.40ms. Allocated memory is still 148.9MB. Free memory was 73.9MB in the beginning and 118.1MB in the end (delta: -44.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2023-12-03 00:59:27,296 INFO L158 Benchmark]: RCFGBuilder took 842.95ms. Allocated memory is still 148.9MB. Free memory was 117.6MB in the beginning and 96.7MB in the end (delta: 20.9MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2023-12-03 00:59:27,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.33ms. Allocated memory is still 148.9MB. Free memory was 101.4MB in the beginning and 76.4MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.96ms. Allocated memory is still 148.9MB. Free memory was 76.4MB in the beginning and 73.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.40ms. Allocated memory is still 148.9MB. Free memory was 73.9MB in the beginning and 118.1MB in the end (delta: -44.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * RCFGBuilder took 842.95ms. Allocated memory is still 148.9MB. Free memory was 117.6MB in the beginning and 96.7MB in the end (delta: 20.9MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd3~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd3~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:59:27,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin002_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:59:29,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:59:29,374 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:59:29,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:59:29,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:59:29,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:59:29,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:59:29,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:59:29,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:59:29,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:59:29,412 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:59:29,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:59:29,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:59:29,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:59:29,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:59:29,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:59:29,415 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:59:29,415 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:59:29,416 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:59:29,417 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:59:29,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:59:29,419 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:59:29,420 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:59:29,420 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:59:29,421 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:59:29,421 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:59:29,421 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:59:29,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:59:29,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:59:29,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:59:29,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:59:29,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:59:29,424 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:59:29,424 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:59:29,424 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:59:29,425 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:59:29,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:59:29,425 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_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 [2023-12-03 00:59:29,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:59:29,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:59:29,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:59:29,747 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:59:29,747 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:59:29,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/thin002_power.opt.i [2023-12-03 00:59:32,563 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:59:32,816 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:59:32,817 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/sv-benchmarks/c/pthread-wmm/thin002_power.opt.i [2023-12-03 00:59:32,834 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/data/aa1765422/e33720564b114a9191743d672c4d88fa/FLAGff288b5ff [2023-12-03 00:59:32,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/data/aa1765422/e33720564b114a9191743d672c4d88fa [2023-12-03 00:59:32,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:59:32,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:59:32,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:59:32,855 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:59:32,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:59:32,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:59:32" (1/1) ... [2023-12-03 00:59:32,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3443d90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:32, skipping insertion in model container [2023-12-03 00:59:32,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:59:32" (1/1) ... [2023-12-03 00:59:32,921 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:59:33,099 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_506fb0ac-2438-4bbf-8cc9-647731ab287a/sv-benchmarks/c/pthread-wmm/thin002_power.opt.i[951,964] [2023-12-03 00:59:33,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:59:33,332 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:59:33,345 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_506fb0ac-2438-4bbf-8cc9-647731ab287a/sv-benchmarks/c/pthread-wmm/thin002_power.opt.i[951,964] [2023-12-03 00:59:33,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:59:33,470 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:59:33,470 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:59:33,478 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:59:33,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:33 WrapperNode [2023-12-03 00:59:33,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:59:33,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:59:33,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:59:33,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:59:33,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:33" (1/1) ... [2023-12-03 00:59:33,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:33" (1/1) ... [2023-12-03 00:59:33,538 INFO L138 Inliner]: procedures = 181, calls = 84, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 149 [2023-12-03 00:59:33,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:59:33,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:59:33,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:59:33,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:59:33,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:33" (1/1) ... [2023-12-03 00:59:33,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:33" (1/1) ... [2023-12-03 00:59:33,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:33" (1/1) ... [2023-12-03 00:59:33,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:33" (1/1) ... [2023-12-03 00:59:33,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:33" (1/1) ... [2023-12-03 00:59:33,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:33" (1/1) ... [2023-12-03 00:59:33,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:33" (1/1) ... [2023-12-03 00:59:33,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:33" (1/1) ... [2023-12-03 00:59:33,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:59:33,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:59:33,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:59:33,584 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:59:33,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:33" (1/1) ... [2023-12-03 00:59:33,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:59:33,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:59:33,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:59:33,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:59:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:59:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:59:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:59:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 00:59:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:59:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:59:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:59:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:59:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:59:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 00:59:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-03 00:59:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-03 00:59:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-03 00:59:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-03 00:59:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-03 00:59:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-03 00:59:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-12-03 00:59:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-12-03 00:59:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 00:59:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:59:33,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:59:33,663 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 00:59:33,842 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:59:33,844 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:59:34,284 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:59:34,565 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd3~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:59:34,569 INFO L158 Benchmark]: Toolchain (without parser) took 1715.13ms. Allocated memory is still 109.1MB. Free memory was 84.1MB in the beginning and 74.9MB in the end (delta: 9.2MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2023-12-03 00:59:34,570 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:59:34,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 623.66ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 80.7MB in the end (delta: 3.1MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-12-03 00:59:34,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.45ms. Allocated memory is still 109.1MB. Free memory was 80.7MB in the beginning and 78.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:59:34,571 INFO L158 Benchmark]: Boogie Preprocessor took 44.26ms. Allocated memory is still 109.1MB. Free memory was 78.1MB in the beginning and 75.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:59:34,572 INFO L158 Benchmark]: RCFGBuilder took 984.09ms. Allocated memory is still 109.1MB. Free memory was 75.1MB in the beginning and 74.9MB in the end (delta: 208.0kB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2023-12-03 00:59:34,575 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 623.66ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 80.7MB in the end (delta: 3.1MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.45ms. Allocated memory is still 109.1MB. Free memory was 80.7MB in the beginning and 78.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.26ms. Allocated memory is still 109.1MB. Free memory was 78.1MB in the beginning and 75.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 984.09ms. Allocated memory is still 109.1MB. Free memory was 75.1MB in the beginning and 74.9MB in the end (delta: 208.0kB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd3~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd3~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:59:34,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fb0ac-2438-4bbf-8cc9-647731ab287a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd3~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?