./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/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_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/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_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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 02:54:30,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:54:30,866 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:54:30,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:54:30,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:54:30,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:54:30,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:54:30,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:54:30,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:54:30,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:54:30,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:54:30,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:54:30,933 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:54:30,934 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:54:30,935 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:54:30,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:54:30,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:54:30,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:54:30,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:54:30,937 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:54:30,938 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:54:30,938 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:54:30,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:54:30,939 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:54:30,939 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:54:30,940 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:54:30,940 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:54:30,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:54:30,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:30,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:54:30,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:54:30,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:54:30,944 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:54:30,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:54:30,945 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:54:30,945 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_2d8311db-d7bb-412d-83cb-4623854dc6dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e54e3c041005c4525c3228cc12d27a93b528db4b6a57c9d2a4209bc47f8ee6e [2023-11-19 02:54:31,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:54:31,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:54:31,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:54:31,306 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:54:31,307 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:54:31,308 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-19 02:54:34,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:54:34,788 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:54:34,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-19 02:54:34,805 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/data/a1b7a6238/658c8918d0e94bdb83c2b8fb34a38338/FLAG6aa7ac761 [2023-11-19 02:54:34,822 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/data/a1b7a6238/658c8918d0e94bdb83c2b8fb34a38338 [2023-11-19 02:54:34,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:54:34,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:54:34,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:34,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:54:34,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:54:34,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:34" (1/1) ... [2023-11-19 02:54:34,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28508664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:34, skipping insertion in model container [2023-11-19 02:54:34,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:34" (1/1) ... [2023-11-19 02:54:34,892 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:35,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:35,323 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:35,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:35,453 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:35,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:35 WrapperNode [2023-11-19 02:54:35,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:35,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:35,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:35,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:35,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:35" (1/1) ... [2023-11-19 02:54:35,490 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:35" (1/1) ... [2023-11-19 02:54:35,516 INFO L138 Inliner]: procedures = 171, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2023-11-19 02:54:35,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:35,518 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:35,518 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:35,518 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:35,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:35" (1/1) ... [2023-11-19 02:54:35,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:35" (1/1) ... [2023-11-19 02:54:35,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:35" (1/1) ... [2023-11-19 02:54:35,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:35" (1/1) ... [2023-11-19 02:54:35,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:35" (1/1) ... [2023-11-19 02:54:35,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:35" (1/1) ... [2023-11-19 02:54:35,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:35" (1/1) ... [2023-11-19 02:54:35,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:35" (1/1) ... [2023-11-19 02:54:35,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:35,569 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:35,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:35,569 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:35,570 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:35" (1/1) ... [2023-11-19 02:54:35,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:35,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:35,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:35,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:54:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 02:54:35,655 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 02:54:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:54:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-19 02:54:35,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-19 02:54:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:54:35,657 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:54:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:54:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:54:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:54:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-19 02:54:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-19 02:54:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:35,660 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 02:54:35,803 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:35,805 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:54:36,000 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:54:36,154 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:54:36,154 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:54:36,156 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 2 + findMax_~offset#1 >= -2147483648;assume 2 + findMax_~offset#1 <= 2147483647;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 02:54:36,162 INFO L158 Benchmark]: Toolchain (without parser) took 1334.82ms. Allocated memory is still 146.8MB. Free memory was 106.7MB in the beginning and 64.3MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 02:54:36,162 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:36,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 626.16ms. Allocated memory is still 146.8MB. Free memory was 106.3MB in the beginning and 86.9MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 02:54:36,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.38ms. Allocated memory is still 146.8MB. Free memory was 86.9MB in the beginning and 84.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:54:36,164 INFO L158 Benchmark]: Boogie Preprocessor took 50.18ms. Allocated memory is still 146.8MB. Free memory was 84.9MB in the beginning and 83.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:54:36,165 INFO L158 Benchmark]: RCFGBuilder took 591.35ms. Allocated memory is still 146.8MB. Free memory was 83.2MB in the beginning and 64.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 02:54:36,168 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 626.16ms. Allocated memory is still 146.8MB. Free memory was 106.3MB in the beginning and 86.9MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.38ms. Allocated memory is still 146.8MB. Free memory was 86.9MB in the beginning and 84.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.18ms. Allocated memory is still 146.8MB. Free memory was 84.9MB in the beginning and 83.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 591.35ms. Allocated memory is still 146.8MB. Free memory was 83.2MB in the beginning and 64.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. 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 2 + findMax_~offset#1 >= -2147483648;assume 2 + findMax_~offset#1 <= 2147483647;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 2 + findMax_~offset#1 >= -2147483648;assume 2 + findMax_~offset#1 <= 2147483647;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 02:54:36,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/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 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_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/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_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/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_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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 02:54:38,999 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:54:39,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 02:54:39,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:54:39,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:54:39,207 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:54:39,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:54:39,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:54:39,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:54:39,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:54:39,217 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:54:39,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:54:39,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:54:39,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:54:39,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:54:39,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:54:39,221 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:54:39,222 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:54:39,222 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:54:39,223 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:54:39,224 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:54:39,224 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:54:39,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:54:39,225 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:54:39,225 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:54:39,226 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:54:39,226 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:54:39,227 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:54:39,227 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:54:39,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:54:39,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:39,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:54:39,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:54:39,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:54:39,230 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:54:39,230 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:54:39,231 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:54:39,231 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:54:39,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:54:39,232 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_2d8311db-d7bb-412d-83cb-4623854dc6dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e54e3c041005c4525c3228cc12d27a93b528db4b6a57c9d2a4209bc47f8ee6e [2023-11-19 02:54:39,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:54:39,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:54:39,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:54:39,642 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:54:39,643 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:54:39,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-19 02:54:42,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:54:43,280 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:54:43,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-19 02:54:43,300 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/data/6fc669cb5/ecea9c13ba414bca89642b3edaefdfa9/FLAG4bbf1994e [2023-11-19 02:54:43,313 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/data/6fc669cb5/ecea9c13ba414bca89642b3edaefdfa9 [2023-11-19 02:54:43,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:54:43,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:54:43,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:43,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:54:43,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:54:43,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:43" (1/1) ... [2023-11-19 02:54:43,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524fe1c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:43, skipping insertion in model container [2023-11-19 02:54:43,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:43" (1/1) ... [2023-11-19 02:54:43,403 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:43,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:43,891 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:43,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:44,022 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:44,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:44 WrapperNode [2023-11-19 02:54:44,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:44,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:44,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:44,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:44,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:44" (1/1) ... [2023-11-19 02:54:44,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:44" (1/1) ... [2023-11-19 02:54:44,114 INFO L138 Inliner]: procedures = 175, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2023-11-19 02:54:44,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:44,116 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:44,116 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:44,116 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:44,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:44" (1/1) ... [2023-11-19 02:54:44,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:44" (1/1) ... [2023-11-19 02:54:44,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:44" (1/1) ... [2023-11-19 02:54:44,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:44" (1/1) ... [2023-11-19 02:54:44,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:44" (1/1) ... [2023-11-19 02:54:44,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:44" (1/1) ... [2023-11-19 02:54:44,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:44" (1/1) ... [2023-11-19 02:54:44,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:44" (1/1) ... [2023-11-19 02:54:44,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:44,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:44,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:44,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:44,192 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:44" (1/1) ... [2023-11-19 02:54:44,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:44,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:44,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:44,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:54:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 02:54:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 02:54:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-19 02:54:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-19 02:54:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:54:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:54:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:54:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:54:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:54:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:54:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 02:54:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-19 02:54:44,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-19 02:54:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:44,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:44,288 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 02:54:44,508 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:44,511 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:54:44,705 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:54:44,784 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:54:44,784 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:54:44,787 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 ~bvsle~33(6442450944bv33, ~bvadd~33(2bv33, ~sign_extend~33~32(findMax_~offset#1)));assume ~bvsle~33(~bvadd~33(2bv33, ~sign_extend~33~32(findMax_~offset#1)), 2147483647bv33);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 02:54:44,791 INFO L158 Benchmark]: Toolchain (without parser) took 1472.86ms. Allocated memory is still 77.6MB. Free memory was 52.8MB in the beginning and 46.5MB in the end (delta: 6.3MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2023-11-19 02:54:44,792 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 58.7MB. Free memory was 35.3MB in the beginning and 35.3MB in the end (delta: 40.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:44,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 704.60ms. Allocated memory is still 77.6MB. Free memory was 52.6MB in the beginning and 50.0MB in the end (delta: 2.6MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-19 02:54:44,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.70ms. Allocated memory is still 77.6MB. Free memory was 50.0MB in the beginning and 47.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:54:44,794 INFO L158 Benchmark]: Boogie Preprocessor took 67.02ms. Allocated memory is still 77.6MB. Free memory was 47.9MB in the beginning and 45.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:54:44,795 INFO L158 Benchmark]: RCFGBuilder took 599.88ms. Allocated memory is still 77.6MB. Free memory was 45.8MB in the beginning and 46.5MB in the end (delta: -614.8kB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-19 02:54:44,798 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 58.7MB. Free memory was 35.3MB in the beginning and 35.3MB in the end (delta: 40.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 704.60ms. Allocated memory is still 77.6MB. Free memory was 52.6MB in the beginning and 50.0MB in the end (delta: 2.6MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.70ms. Allocated memory is still 77.6MB. Free memory was 50.0MB in the beginning and 47.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.02ms. Allocated memory is still 77.6MB. Free memory was 47.9MB in the beginning and 45.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 599.88ms. Allocated memory is still 77.6MB. Free memory was 45.8MB in the beginning and 46.5MB in the end (delta: -614.8kB). Peak memory consumption was 13.6MB. 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 ~bvsle~33(6442450944bv33, ~bvadd~33(2bv33, ~sign_extend~33~32(findMax_~offset#1)));assume ~bvsle~33(~bvadd~33(2bv33, ~sign_extend~33~32(findMax_~offset#1)), 2147483647bv33);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 ~bvsle~33(6442450944bv33, ~bvadd~33(2bv33, ~sign_extend~33~32(findMax_~offset#1)));assume ~bvsle~33(~bvadd~33(2bv33, ~sign_extend~33~32(findMax_~offset#1)), 2147483647bv33);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 02:54:44,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8311db-d7bb-412d-83cb-4623854dc6dc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: 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 ~bvsle~33(6442450944bv33, ~bvadd~33(2bv33, ~sign_extend~33~32(findMax_~offset#1)));assume ~bvsle~33(~bvadd~33(2bv33, ~sign_extend~33~32(findMax_~offset#1)), 2147483647bv33);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?