./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e54e3c041005c4525c3228cc12d27a93b528db4b6a57c9d2a4209bc47f8ee6e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:54,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:54,327 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:28:54,340 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:28:54,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:28:54,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:54,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:28:54,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:28:54,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:54,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:54,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:54,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:28:54,395 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:28:54,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:28:54,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:28:54,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:54,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:28:54,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:54,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:28:54,401 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:28:54,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:28:54,402 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:54,402 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:54,403 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:54,403 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:54,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:54,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:54,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:54,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:54,406 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:28:54,408 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:28:54,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:28:54,409 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:28:54,409 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_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e54e3c041005c4525c3228cc12d27a93b528db4b6a57c9d2a4209bc47f8ee6e [2023-11-19 03:28:54,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:54,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:54,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:54,788 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:54,789 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:54,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-19 03:28:58,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:28:58,526 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:28:58,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-19 03:28:58,554 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/data/11cbb77f9/471fb3fe26604171b00c611850f73e96/FLAG0c0ec78a3 [2023-11-19 03:28:58,576 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/data/11cbb77f9/471fb3fe26604171b00c611850f73e96 [2023-11-19 03:28:58,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:28:58,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:28:58,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:58,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:28:58,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:28:58,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:58" (1/1) ... [2023-11-19 03:28:58,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e43346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:58, skipping insertion in model container [2023-11-19 03:28:58,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:58" (1/1) ... [2023-11-19 03:28:58,692 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:28:59,072 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_328dc77d-24e1-47fc-a829-22e83140a1b4/sv-benchmarks/c/pthread-ext/09_fmaxsym.i[30453,30466] [2023-11-19 03:28:59,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:59,102 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:28:59,149 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_328dc77d-24e1-47fc-a829-22e83140a1b4/sv-benchmarks/c/pthread-ext/09_fmaxsym.i[30453,30466] [2023-11-19 03:28:59,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:59,218 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:28:59,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:59 WrapperNode [2023-11-19 03:28:59,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:59,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:59,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:28:59,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:28:59,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:59" (1/1) ... [2023-11-19 03:28:59,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:59" (1/1) ... [2023-11-19 03:28:59,314 INFO L138 Inliner]: procedures = 171, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2023-11-19 03:28:59,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:59,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:28:59,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:28:59,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:28:59,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:59" (1/1) ... [2023-11-19 03:28:59,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:59" (1/1) ... [2023-11-19 03:28:59,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:59" (1/1) ... [2023-11-19 03:28:59,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:59" (1/1) ... [2023-11-19 03:28:59,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:59" (1/1) ... [2023-11-19 03:28:59,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:59" (1/1) ... [2023-11-19 03:28:59,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:59" (1/1) ... [2023-11-19 03:28:59,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:59" (1/1) ... [2023-11-19 03:28:59,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:28:59,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:28:59,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:28:59,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:28:59,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:59" (1/1) ... [2023-11-19 03:28:59,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:59,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:28:59,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:28:59,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:28:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:28:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 03:28:59,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 03:28:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:28:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-19 03:28:59,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-19 03:28:59,526 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:28:59,526 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:28:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:28:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:28:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:28:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:28:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-19 03:28:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-19 03:28:59,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:28:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:28:59,530 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:28:59,708 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:28:59,712 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:28:59,960 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:29:00,052 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:29:00,053 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:29:00,056 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline_findMax } true;findMax_#in~offset#1 := ~offset~0#1;havoc findMax_#t~mem4#1, findMax_#t~post3#1, findMax_~offset#1, findMax_~i~0#1, findMax_~e~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~i~0#1 := findMax_~offset#1;assume !!(findMax_~i~0#1 < 2 + findMax_~offset#1);call findMax_#t~mem4#1 := read~int(~#storage~0.base, ~#storage~0.offset + 4 * findMax_~i~0#1, 4);findMax_~e~0#1 := findMax_#t~mem4#1;havoc findMax_#t~mem4#1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:29:00,062 INFO L158 Benchmark]: Toolchain (without parser) took 1473.41ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 102.0MB in the beginning and 152.6MB in the end (delta: -50.6MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2023-11-19 03:29:00,063 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 151.0MB. Free memory was 97.7MB in the beginning and 97.5MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:00,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.82ms. Allocated memory is still 151.0MB. Free memory was 102.0MB in the beginning and 82.1MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:29:00,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.00ms. Allocated memory is still 151.0MB. Free memory was 82.1MB in the beginning and 80.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:29:00,066 INFO L158 Benchmark]: Boogie Preprocessor took 79.40ms. Allocated memory is still 151.0MB. Free memory was 80.1MB in the beginning and 78.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:00,067 INFO L158 Benchmark]: RCFGBuilder took 664.17ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 78.7MB in the beginning and 152.6MB in the end (delta: -73.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-19 03:29:00,072 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 151.0MB. Free memory was 97.7MB in the beginning and 97.5MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.82ms. Allocated memory is still 151.0MB. Free memory was 102.0MB in the beginning and 82.1MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.00ms. Allocated memory is still 151.0MB. Free memory was 82.1MB in the beginning and 80.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.40ms. Allocated memory is still 151.0MB. Free memory was 80.1MB in the beginning and 78.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 664.17ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 78.7MB in the beginning and 152.6MB in the end (delta: -73.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline_findMax } true;findMax_#in~offset#1 := ~offset~0#1;havoc findMax_#t~mem4#1, findMax_#t~post3#1, findMax_~offset#1, findMax_~i~0#1, findMax_~e~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~i~0#1 := findMax_~offset#1;assume !!(findMax_~i~0#1 < 2 + findMax_~offset#1);call findMax_#t~mem4#1 := read~int(~#storage~0.base, ~#storage~0.offset + 4 * findMax_~i~0#1, 4);findMax_~e~0#1 := findMax_#t~mem4#1;havoc findMax_#t~mem4#1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline_findMax } true;findMax_#in~offset#1 := ~offset~0#1;havoc findMax_#t~mem4#1, findMax_#t~post3#1, findMax_~offset#1, findMax_~i~0#1, findMax_~e~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~i~0#1 := findMax_~offset#1;assume !!(findMax_~i~0#1 < 2 + findMax_~offset#1);call findMax_#t~mem4#1 := read~int(~#storage~0.base, ~#storage~0.offset + 4 * findMax_~i~0#1, 4);findMax_~e~0#1 := findMax_#t~mem4#1;havoc findMax_#t~mem4#1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:29:00,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e54e3c041005c4525c3228cc12d27a93b528db4b6a57c9d2a4209bc47f8ee6e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:29:03,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:29:03,393 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:29:03,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:29:03,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:29:03,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:29:03,490 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:29:03,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:29:03,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:29:03,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:29:03,500 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:29:03,501 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:29:03,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:29:03,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:29:03,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:29:03,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:29:03,505 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:29:03,506 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:29:03,506 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:29:03,508 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:29:03,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:29:03,513 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:29:03,514 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:29:03,514 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:29:03,515 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:29:03,515 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:03,516 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:29:03,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:29:03,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:03,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:29:03,519 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:29:03,519 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:29:03,519 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:29:03,520 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:03,520 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:29:03,521 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:29:03,521 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:29:03,521 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_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e54e3c041005c4525c3228cc12d27a93b528db4b6a57c9d2a4209bc47f8ee6e [2023-11-19 03:29:04,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:29:04,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:29:04,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:29:04,096 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:29:04,097 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:29:04,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-19 03:29:07,920 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:29:08,203 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:29:08,207 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-19 03:29:08,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/data/dc8ad5057/aea3ce998bc842e0a82c22727a5414b6/FLAGded035014 [2023-11-19 03:29:08,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/data/dc8ad5057/aea3ce998bc842e0a82c22727a5414b6 [2023-11-19 03:29:08,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:29:08,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:29:08,251 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:08,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:29:08,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:29:08,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:08,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@692e3e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08, skipping insertion in model container [2023-11-19 03:29:08,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:08,303 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:29:08,758 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_328dc77d-24e1-47fc-a829-22e83140a1b4/sv-benchmarks/c/pthread-ext/09_fmaxsym.i[30453,30466] [2023-11-19 03:29:08,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:08,797 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:29:08,859 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_328dc77d-24e1-47fc-a829-22e83140a1b4/sv-benchmarks/c/pthread-ext/09_fmaxsym.i[30453,30466] [2023-11-19 03:29:08,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:08,944 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:29:08,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08 WrapperNode [2023-11-19 03:29:08,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:08,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:08,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:29:08,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:29:08,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:08,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:09,008 INFO L138 Inliner]: procedures = 175, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2023-11-19 03:29:09,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:09,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:29:09,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:29:09,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:29:09,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:09,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:09,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:09,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:09,060 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:09,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:09,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:09,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:09,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:29:09,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:29:09,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:29:09,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:29:09,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:09,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:09,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:29:09,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:29:09,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:29:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:29:09,181 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 03:29:09,181 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 03:29:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-19 03:29:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-19 03:29:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:29:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:29:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:29:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:29:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:29:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:29:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:29:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:29:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-19 03:29:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-19 03:29:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:29:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:29:09,188 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:29:09,417 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:29:09,420 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:29:09,711 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:29:09,806 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:29:09,806 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:29:09,809 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline_findMax } true;findMax_#in~offset#1 := ~offset~0#1;havoc findMax_#t~mem4#1, findMax_#t~post3#1, findMax_~offset#1, findMax_~i~0#1, findMax_~e~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~i~0#1 := findMax_~offset#1;assume !!~bvslt~32(findMax_~i~0#1, ~bvadd~32(2bv32, findMax_~offset#1));call findMax_#t~mem4#1 := read~intINTTYPE4(~#storage~0.base, ~bvadd~32(~#storage~0.offset, ~bvmul~32(4bv32, findMax_~i~0#1)), 4bv32);findMax_~e~0#1 := findMax_#t~mem4#1;havoc findMax_#t~mem4#1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:29:09,813 INFO L158 Benchmark]: Toolchain (without parser) took 1563.79ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 55.2MB in the end (delta: -14.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:29:09,814 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:09,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 694.18ms. Allocated memory is still 83.9MB. Free memory was 40.4MB in the beginning and 48.5MB in the end (delta: -8.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-19 03:29:09,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.87ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 46.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:29:09,816 INFO L158 Benchmark]: Boogie Preprocessor took 79.14ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 44.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:29:09,817 INFO L158 Benchmark]: RCFGBuilder took 722.83ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 55.2MB in the end (delta: -10.8MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-11-19 03:29:09,821 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 694.18ms. Allocated memory is still 83.9MB. Free memory was 40.4MB in the beginning and 48.5MB in the end (delta: -8.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.87ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 46.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.14ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 44.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 722.83ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 55.2MB in the end (delta: -10.8MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline_findMax } true;findMax_#in~offset#1 := ~offset~0#1;havoc findMax_#t~mem4#1, findMax_#t~post3#1, findMax_~offset#1, findMax_~i~0#1, findMax_~e~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~i~0#1 := findMax_~offset#1;assume !!~bvslt~32(findMax_~i~0#1, ~bvadd~32(2bv32, findMax_~offset#1));call findMax_#t~mem4#1 := read~intINTTYPE4(~#storage~0.base, ~bvadd~32(~#storage~0.offset, ~bvmul~32(4bv32, findMax_~i~0#1)), 4bv32);findMax_~e~0#1 := findMax_#t~mem4#1;havoc findMax_#t~mem4#1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline_findMax } true;findMax_#in~offset#1 := ~offset~0#1;havoc findMax_#t~mem4#1, findMax_#t~post3#1, findMax_~offset#1, findMax_~i~0#1, findMax_~e~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~i~0#1 := findMax_~offset#1;assume !!~bvslt~32(findMax_~i~0#1, ~bvadd~32(2bv32, findMax_~offset#1));call findMax_#t~mem4#1 := read~intINTTYPE4(~#storage~0.base, ~bvadd~32(~#storage~0.offset, ~bvmul~32(4bv32, findMax_~i~0#1)), 4bv32);findMax_~e~0#1 := findMax_#t~mem4#1;havoc findMax_#t~mem4#1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:29:09,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328dc77d-24e1-47fc-a829-22e83140a1b4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline_findMax } true;findMax_#in~offset#1 := ~offset~0#1;havoc findMax_#t~mem4#1, findMax_#t~post3#1, findMax_~offset#1, findMax_~i~0#1, findMax_~e~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~i~0#1 := findMax_~offset#1;assume !!~bvslt~32(findMax_~i~0#1, ~bvadd~32(2bv32, findMax_~offset#1));call findMax_#t~mem4#1 := read~intINTTYPE4(~#storage~0.base, ~bvadd~32(~#storage~0.offset, ~bvmul~32(4bv32, findMax_~i~0#1)), 4bv32);findMax_~e~0#1 := findMax_#t~mem4#1;havoc findMax_#t~mem4#1;). Is there illegal control flow (e.g. loops) within an atomic block?