./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3aaecf4b84c8f01be47d1e624871b73f33541df72e3693614a0a3bb5cc7a97b5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:45:49,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:45:49,549 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:45:49,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:45:49,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:45:49,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:45:49,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:45:49,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:45:49,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:45:49,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:45:49,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:45:49,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:45:49,584 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:45:49,584 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:45:49,585 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:45:49,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:45:49,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:45:49,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:45:49,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:45:49,587 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:45:49,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:45:49,589 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:45:49,589 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:45:49,590 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:45:49,590 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:45:49,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:45:49,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:45:49,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:45:49,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:45:49,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:45:49,593 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:45:49,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:45:49,594 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:45:49,594 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_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aaecf4b84c8f01be47d1e624871b73f33541df72e3693614a0a3bb5cc7a97b5 [2023-12-03 01:45:49,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:45:49,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:45:49,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:45:49,844 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:45:49,844 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:45:49,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i [2023-12-03 01:45:52,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:45:52,843 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:45:52,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i [2023-12-03 01:45:52,858 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/data/6602657c9/0260f3ed571840ddaa1839a391dea729/FLAGc8daac313 [2023-12-03 01:45:52,870 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/data/6602657c9/0260f3ed571840ddaa1839a391dea729 [2023-12-03 01:45:52,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:45:52,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:45:52,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:45:52,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:45:52,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:45:52,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:45:52" (1/1) ... [2023-12-03 01:45:52,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34bc65aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:52, skipping insertion in model container [2023-12-03 01:45:52,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:45:52" (1/1) ... [2023-12-03 01:45:52,922 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:45:53,194 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_42f53de6-95fe-468d-9b36-b609dbe6cf27/sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i[30570,30583] [2023-12-03 01:45:53,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:45:53,215 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:45:53,254 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_42f53de6-95fe-468d-9b36-b609dbe6cf27/sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i[30570,30583] [2023-12-03 01:45:53,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:45:53,298 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:45:53,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:53 WrapperNode [2023-12-03 01:45:53,299 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:45:53,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:45:53,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:45:53,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:45:53,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:53" (1/1) ... [2023-12-03 01:45:53,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:53" (1/1) ... [2023-12-03 01:45:53,344 INFO L138 Inliner]: procedures = 171, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2023-12-03 01:45:53,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:45:53,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:45:53,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:45:53,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:45:53,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:53" (1/1) ... [2023-12-03 01:45:53,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:53" (1/1) ... [2023-12-03 01:45:53,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:53" (1/1) ... [2023-12-03 01:45:53,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:53" (1/1) ... [2023-12-03 01:45:53,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:53" (1/1) ... [2023-12-03 01:45:53,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:53" (1/1) ... [2023-12-03 01:45:53,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:53" (1/1) ... [2023-12-03 01:45:53,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:53" (1/1) ... [2023-12-03 01:45:53,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:45:53,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:45:53,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:45:53,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:45:53,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:53" (1/1) ... [2023-12-03 01:45:53,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:45:53,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:45:53,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:45:53,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:45:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:45:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-12-03 01:45:53,434 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-12-03 01:45:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:45:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-12-03 01:45:53,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-12-03 01:45:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:45:53,434 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:45:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:45:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:45:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:45:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:45:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-12-03 01:45:53,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-12-03 01:45:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:45:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:45:53,437 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 01:45:53,547 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:45:53,549 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:45:53,706 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:45:53,759 WARN L1821 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-03 01:45:53,772 WARN L1821 r$LargeBlockEncoding]: Complex 2:3 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-03 01:45:53,809 WARN L1821 r$LargeBlockEncoding]: Complex 3:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-03 01:45:53,824 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: BeginParallelComposition{ParallelCodeBlock0: 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := -2147483648;findMax_~i~0#1 := findMax_~offset#1;BeginParallelComposition{ParallelCodeBlock0: assume !(findMax_~i~0#1 < 2 + findMax_~offset#1);ParallelCodeBlock1: assume !true;}EndParallelCompositionParallelCodeBlock1: 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := -2147483648;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;BeginParallelComposition{ParallelCodeBlock0: assume !(findMax_~e~0#1 > findMax_~my_max~0#1);ParallelCodeBlock1: assume findMax_~e~0#1 > findMax_~my_max~0#1;findMax_~my_max~0#1 := findMax_~e~0#1;}EndParallelCompositionassume !!(findMax_~e~0#1 <= findMax_~my_max~0#1);findMax_#t~post3#1 := findMax_~i~0#1;findMax_~i~0#1 := 1 + findMax_#t~post3#1;havoc findMax_#t~post3#1;BeginParallelComposition{ParallelCodeBlock0: assume !(findMax_~i~0#1 < 2 + findMax_~offset#1);ParallelCodeBlock1: assume !true;}EndParallelComposition}EndParallelComposition). 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:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:45:53,828 INFO L158 Benchmark]: Toolchain (without parser) took 954.05ms. Allocated memory is still 190.8MB. Free memory was 153.5MB in the beginning and 105.4MB in the end (delta: 48.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-12-03 01:45:53,829 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 132.1MB. Free memory was 96.1MB in the beginning and 96.1MB in the end (delta: 25.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:45:53,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.83ms. Allocated memory is still 190.8MB. Free memory was 152.7MB in the beginning and 132.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 01:45:53,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.67ms. Allocated memory is still 190.8MB. Free memory was 132.8MB in the beginning and 130.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:45:53,831 INFO L158 Benchmark]: Boogie Preprocessor took 29.71ms. Allocated memory is still 190.8MB. Free memory was 130.8MB in the beginning and 129.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:45:53,832 INFO L158 Benchmark]: RCFGBuilder took 450.65ms. Allocated memory is still 190.8MB. Free memory was 129.6MB in the beginning and 105.4MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 01:45:53,835 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 132.1MB. Free memory was 96.1MB in the beginning and 96.1MB in the end (delta: 25.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.83ms. Allocated memory is still 190.8MB. Free memory was 152.7MB in the beginning and 132.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.67ms. Allocated memory is still 190.8MB. Free memory was 132.8MB in the beginning and 130.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.71ms. Allocated memory is still 190.8MB. Free memory was 130.8MB in the beginning and 129.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.65ms. Allocated memory is still 190.8MB. Free memory was 129.6MB in the beginning and 105.4MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. 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: BeginParallelComposition{ParallelCodeBlock0: 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := -2147483648;findMax_~i~0#1 := findMax_~offset#1;BeginParallelComposition{ParallelCodeBlock0: assume !(findMax_~i~0#1 < 2 + findMax_~offset#1);ParallelCodeBlock1: assume !true;}EndParallelCompositionParallelCodeBlock1: 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := -2147483648;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;BeginParallelComposition{ParallelCodeBlock0: assume !(findMax_~e~0#1 > findMax_~my_max~0#1);ParallelCodeBlock1: assume findMax_~e~0#1 > findMax_~my_max~0#1;findMax_~my_max~0#1 := findMax_~e~0#1;}EndParallelCompositionassume !!(findMax_~e~0#1 <= findMax_~my_max~0#1);findMax_#t~post3#1 := findMax_~i~0#1;findMax_~i~0#1 := 1 + findMax_#t~post3#1;havoc findMax_#t~post3#1;BeginParallelComposition{ParallelCodeBlock0: assume !(findMax_~i~0#1 < 2 + findMax_~offset#1);ParallelCodeBlock1: assume !true;}EndParallelComposition}EndParallelComposition). 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: BeginParallelComposition{ParallelCodeBlock0: 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := -2147483648;findMax_~i~0#1 := findMax_~offset#1;BeginParallelComposition{ParallelCodeBlock0: assume !(findMax_~i~0#1 < 2 + findMax_~offset#1);ParallelCodeBlock1: assume !true;}EndParallelCompositionParallelCodeBlock1: 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := -2147483648;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;BeginParallelComposition{ParallelCodeBlock0: assume !(findMax_~e~0#1 > findMax_~my_max~0#1);ParallelCodeBlock1: assume findMax_~e~0#1 > findMax_~my_max~0#1;findMax_~my_max~0#1 := findMax_~e~0#1;}EndParallelCompositionassume !!(findMax_~e~0#1 <= findMax_~my_max~0#1);findMax_#t~post3#1 := findMax_~i~0#1;findMax_~i~0#1 := 1 + findMax_#t~post3#1;havoc findMax_#t~post3#1;BeginParallelComposition{ParallelCodeBlock0: assume !(findMax_~i~0#1 < 2 + findMax_~offset#1);ParallelCodeBlock1: assume !true;}EndParallelComposition}EndParallelComposition). 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:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:45:53,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3aaecf4b84c8f01be47d1e624871b73f33541df72e3693614a0a3bb5cc7a97b5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:45:55,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:45:55,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:45:55,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:45:55,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:45:55,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:45:55,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:45:55,897 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:45:55,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:45:55,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:45:55,898 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:45:55,899 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:45:55,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:45:55,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:45:55,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:45:55,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:45:55,901 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:45:55,902 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:45:55,902 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:45:55,903 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:45:55,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:45:55,904 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:45:55,905 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:45:55,905 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:45:55,906 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:45:55,906 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:45:55,906 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:45:55,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:45:55,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:45:55,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:45:55,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:45:55,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:45:55,909 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:45:55,910 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:45:55,910 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:45:55,910 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:45:55,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:45:55,910 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_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aaecf4b84c8f01be47d1e624871b73f33541df72e3693614a0a3bb5cc7a97b5 [2023-12-03 01:45:56,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:45:56,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:45:56,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:45:56,227 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:45:56,228 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:45:56,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i [2023-12-03 01:45:59,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:45:59,304 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:45:59,305 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i [2023-12-03 01:45:59,320 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/data/bbbe48c81/beae54d0cc8c4485abbbbbe498b4a2fe/FLAG240785bd6 [2023-12-03 01:45:59,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/data/bbbe48c81/beae54d0cc8c4485abbbbbe498b4a2fe [2023-12-03 01:45:59,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:45:59,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:45:59,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:45:59,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:45:59,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:45:59,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:45:59" (1/1) ... [2023-12-03 01:45:59,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e56407a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:59, skipping insertion in model container [2023-12-03 01:45:59,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:45:59" (1/1) ... [2023-12-03 01:45:59,388 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:45:59,665 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_42f53de6-95fe-468d-9b36-b609dbe6cf27/sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i[30570,30583] [2023-12-03 01:45:59,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:45:59,687 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:45:59,723 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_42f53de6-95fe-468d-9b36-b609dbe6cf27/sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i[30570,30583] [2023-12-03 01:45:59,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:45:59,768 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:45:59,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:59 WrapperNode [2023-12-03 01:45:59,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:45:59,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:45:59,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:45:59,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:45:59,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:59" (1/1) ... [2023-12-03 01:45:59,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:59" (1/1) ... [2023-12-03 01:45:59,816 INFO L138 Inliner]: procedures = 175, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2023-12-03 01:45:59,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:45:59,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:45:59,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:45:59,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:45:59,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:59" (1/1) ... [2023-12-03 01:45:59,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:59" (1/1) ... [2023-12-03 01:45:59,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:59" (1/1) ... [2023-12-03 01:45:59,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:59" (1/1) ... [2023-12-03 01:45:59,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:59" (1/1) ... [2023-12-03 01:45:59,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:59" (1/1) ... [2023-12-03 01:45:59,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:59" (1/1) ... [2023-12-03 01:45:59,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:59" (1/1) ... [2023-12-03 01:45:59,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:45:59,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:45:59,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:45:59,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:45:59,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:45:59" (1/1) ... [2023-12-03 01:45:59,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:45:59,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:45:59,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:45:59,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:45:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:45:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-12-03 01:45:59,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-12-03 01:45:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-12-03 01:45:59,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-12-03 01:45:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:45:59,918 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:45:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:45:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:45:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:45:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:45:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:45:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 01:45:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-12-03 01:45:59,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-12-03 01:45:59,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:45:59,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:45:59,922 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 01:46:00,059 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:46:00,061 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:46:00,257 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:46:00,308 WARN L1821 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-03 01:46:00,321 WARN L1821 r$LargeBlockEncoding]: Complex 2:3 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-03 01:46:00,358 WARN L1821 r$LargeBlockEncoding]: Complex 3:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-03 01:46:00,370 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: BeginParallelComposition{ParallelCodeBlock0: 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := 2147483648bv32;findMax_~i~0#1 := findMax_~offset#1;BeginParallelComposition{ParallelCodeBlock0: assume !~bvslt~32(findMax_~i~0#1, ~bvadd~32(2bv32, findMax_~offset#1));ParallelCodeBlock1: assume !true;}EndParallelCompositionParallelCodeBlock1: 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := 2147483648bv32;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;BeginParallelComposition{ParallelCodeBlock0: assume !~bvsgt~32(findMax_~e~0#1, findMax_~my_max~0#1);ParallelCodeBlock1: assume ~bvsgt~32(findMax_~e~0#1, findMax_~my_max~0#1);findMax_~my_max~0#1 := findMax_~e~0#1;}EndParallelCompositionassume !!~bvsle~32(findMax_~e~0#1, findMax_~my_max~0#1);findMax_#t~post3#1 := findMax_~i~0#1;findMax_~i~0#1 := ~bvadd~32(1bv32, findMax_#t~post3#1);havoc findMax_#t~post3#1;BeginParallelComposition{ParallelCodeBlock0: assume !~bvslt~32(findMax_~i~0#1, ~bvadd~32(2bv32, findMax_~offset#1));ParallelCodeBlock1: assume !true;}EndParallelComposition}EndParallelComposition). 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:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:46:00,379 INFO L158 Benchmark]: Toolchain (without parser) took 1041.35ms. Allocated memory is still 119.5MB. Free memory was 94.6MB in the beginning and 84.2MB in the end (delta: 10.5MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2023-12-03 01:46:00,380 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:46:00,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.01ms. Allocated memory is still 119.5MB. Free memory was 94.4MB in the beginning and 73.0MB in the end (delta: 21.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 01:46:00,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.85ms. Allocated memory is still 119.5MB. Free memory was 73.0MB in the beginning and 70.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:46:00,381 INFO L158 Benchmark]: Boogie Preprocessor took 34.10ms. Allocated memory is still 119.5MB. Free memory was 70.9MB in the beginning and 69.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:46:00,382 INFO L158 Benchmark]: RCFGBuilder took 525.33ms. Allocated memory is still 119.5MB. Free memory was 68.8MB in the beginning and 84.2MB in the end (delta: -15.4MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-12-03 01:46:00,385 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.01ms. Allocated memory is still 119.5MB. Free memory was 94.4MB in the beginning and 73.0MB in the end (delta: 21.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.85ms. Allocated memory is still 119.5MB. Free memory was 73.0MB in the beginning and 70.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.10ms. Allocated memory is still 119.5MB. Free memory was 70.9MB in the beginning and 69.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 525.33ms. Allocated memory is still 119.5MB. Free memory was 68.8MB in the beginning and 84.2MB in the end (delta: -15.4MB). Peak memory consumption was 19.7MB. 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: BeginParallelComposition{ParallelCodeBlock0: 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := 2147483648bv32;findMax_~i~0#1 := findMax_~offset#1;BeginParallelComposition{ParallelCodeBlock0: assume !~bvslt~32(findMax_~i~0#1, ~bvadd~32(2bv32, findMax_~offset#1));ParallelCodeBlock1: assume !true;}EndParallelCompositionParallelCodeBlock1: 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := 2147483648bv32;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;BeginParallelComposition{ParallelCodeBlock0: assume !~bvsgt~32(findMax_~e~0#1, findMax_~my_max~0#1);ParallelCodeBlock1: assume ~bvsgt~32(findMax_~e~0#1, findMax_~my_max~0#1);findMax_~my_max~0#1 := findMax_~e~0#1;}EndParallelCompositionassume !!~bvsle~32(findMax_~e~0#1, findMax_~my_max~0#1);findMax_#t~post3#1 := findMax_~i~0#1;findMax_~i~0#1 := ~bvadd~32(1bv32, findMax_#t~post3#1);havoc findMax_#t~post3#1;BeginParallelComposition{ParallelCodeBlock0: assume !~bvslt~32(findMax_~i~0#1, ~bvadd~32(2bv32, findMax_~offset#1));ParallelCodeBlock1: assume !true;}EndParallelComposition}EndParallelComposition). 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: BeginParallelComposition{ParallelCodeBlock0: 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := 2147483648bv32;findMax_~i~0#1 := findMax_~offset#1;BeginParallelComposition{ParallelCodeBlock0: assume !~bvslt~32(findMax_~i~0#1, ~bvadd~32(2bv32, findMax_~offset#1));ParallelCodeBlock1: assume !true;}EndParallelCompositionParallelCodeBlock1: 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := 2147483648bv32;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;BeginParallelComposition{ParallelCodeBlock0: assume !~bvsgt~32(findMax_~e~0#1, findMax_~my_max~0#1);ParallelCodeBlock1: assume ~bvsgt~32(findMax_~e~0#1, findMax_~my_max~0#1);findMax_~my_max~0#1 := findMax_~e~0#1;}EndParallelCompositionassume !!~bvsle~32(findMax_~e~0#1, findMax_~my_max~0#1);findMax_#t~post3#1 := findMax_~i~0#1;findMax_~i~0#1 := ~bvadd~32(1bv32, findMax_#t~post3#1);havoc findMax_#t~post3#1;BeginParallelComposition{ParallelCodeBlock0: assume !~bvslt~32(findMax_~i~0#1, ~bvadd~32(2bv32, findMax_~offset#1));ParallelCodeBlock1: assume !true;}EndParallelComposition}EndParallelComposition). 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:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:46:00,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f53de6-95fe-468d-9b36-b609dbe6cf27/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: BeginParallelComposition{ParallelCodeBlock0: 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := 2147483648bv32;findMax_~i~0#1 := findMax_~offset#1;BeginParallelComposition{ParallelCodeBlock0: assume !~bvslt~32(findMax_~i~0#1, ~bvadd~32(2bv32, findMax_~offset#1));ParallelCodeBlock1: assume !true;}EndParallelCompositionParallelCodeBlock1: 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := 2147483648bv32;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;BeginParallelComposition{ParallelCodeBlock0: assume !~bvsgt~32(findMax_~e~0#1, findMax_~my_max~0#1);ParallelCodeBlock1: assume ~bvsgt~32(findMax_~e~0#1, findMax_~my_max~0#1);findMax_~my_max~0#1 := findMax_~e~0#1;}EndParallelCompositionassume !!~bvsle~32(findMax_~e~0#1, findMax_~my_max~0#1);findMax_#t~post3#1 := findMax_~i~0#1;findMax_~i~0#1 := ~bvadd~32(1bv32, findMax_#t~post3#1);havoc findMax_#t~post3#1;BeginParallelComposition{ParallelCodeBlock0: assume !~bvslt~32(findMax_~i~0#1, ~bvadd~32(2bv32, findMax_~offset#1));ParallelCodeBlock1: assume !true;}EndParallelComposition}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block?