./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:01:19,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:01:19,919 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:01:19,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:01:19,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:01:19,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:01:19,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:01:19,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:01:19,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:01:19,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:01:19,955 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:01:19,957 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:01:19,957 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:01:19,957 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:01:19,958 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:01:19,958 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:01:19,958 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:01:19,958 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:01:19,959 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:01:19,959 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:01:19,959 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:01:19,959 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:01:19,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:01:19,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:01:19,959 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:01:19,960 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:01:19,960 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:01:19,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:01:19,960 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:01:19,960 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:01:19,960 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:01:19,960 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:01:19,960 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:01:19,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:01:19,960 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:01:19,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:01:19,961 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:01:19,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:01:19,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:01:19,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:01:19,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:01:19,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:01:19,962 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:01:19,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:01:19,962 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:01:19,962 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:01:19,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:01:19,963 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2024-11-14 03:01:20,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:01:20,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:01:20,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:01:20,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:01:20,301 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:01:20,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i Unable to find full path for "g++" [2024-11-14 03:01:22,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:01:22,526 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:01:22,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2024-11-14 03:01:22,550 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/data/1a1aa8bca/5cfaaa92c4e643cbad0ecf1d87db1967/FLAG24b42aada [2024-11-14 03:01:22,573 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/data/1a1aa8bca/5cfaaa92c4e643cbad0ecf1d87db1967 [2024-11-14 03:01:22,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:01:22,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:01:22,580 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:01:22,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:01:22,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:01:22,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:01:22" (1/1) ... [2024-11-14 03:01:22,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56347910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:22, skipping insertion in model container [2024-11-14 03:01:22,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:01:22" (1/1) ... [2024-11-14 03:01:22,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:01:22,953 WARN L250 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_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2024-11-14 03:01:23,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:01:23,101 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:01:23,153 WARN L250 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_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2024-11-14 03:01:23,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:01:23,254 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:01:23,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:23 WrapperNode [2024-11-14 03:01:23,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:01:23,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:01:23,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:01:23,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:01:23,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:23" (1/1) ... [2024-11-14 03:01:23,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:23" (1/1) ... [2024-11-14 03:01:23,352 INFO L138 Inliner]: procedures = 148, calls = 322, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 631 [2024-11-14 03:01:23,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:01:23,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:01:23,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:01:23,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:01:23,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:23" (1/1) ... [2024-11-14 03:01:23,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:23" (1/1) ... [2024-11-14 03:01:23,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:23" (1/1) ... [2024-11-14 03:01:23,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:23" (1/1) ... [2024-11-14 03:01:23,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:23" (1/1) ... [2024-11-14 03:01:23,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:23" (1/1) ... [2024-11-14 03:01:23,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:23" (1/1) ... [2024-11-14 03:01:23,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:23" (1/1) ... [2024-11-14 03:01:23,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:01:23,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:01:23,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:01:23,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:01:23,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:23" (1/1) ... [2024-11-14 03:01:23,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:01:23,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:01:23,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:01:23,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:01:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:01:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:01:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:01:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:01:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:01:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 03:01:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 03:01:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-14 03:01:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-14 03:01:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 03:01:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-11-14 03:01:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-11-14 03:01:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-14 03:01:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-14 03:01:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 03:01:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 03:01:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-14 03:01:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-14 03:01:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:01:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2024-11-14 03:01:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2024-11-14 03:01:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:01:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:01:23,678 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:01:23,679 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:01:24,111 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-14 03:01:24,113 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);reader_#res#1.base, reader_#res#1.offset := 0, 0; [2024-11-14 03:01:26,570 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-11-14 03:01:26,571 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:01:26,743 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1;call __VERIFIER_atomic_take_read_lock_#t~mem25#1 := read~int(~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);call write~int(__VERIFIER_atomic_take_read_lock_#t~mem25#1, ~#__CS_u~0.base, ~#__CS_u~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);havoc __VERIFIER_atomic_take_read_lock_#t~mem25#1;call __VERIFIER_atomic_take_read_lock_#t~mem26#1 := read~int(~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);call write~int(1 + __VERIFIER_atomic_take_read_lock_#t~mem26#1, ~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);havoc __VERIFIER_atomic_take_read_lock_#t~mem26#1;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~__CS_ret~0 % 256;call __VERIFIER_atomic_take_read_lock_#t~mem27#1 := read~int(~#__CS_u~0.base, ~#__CS_u~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);call write~int(__VERIFIER_atomic_take_read_lock_#t~mem27#1, ~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);ParallelCodeBlock1: assume !(0 != ~__CS_ret~0 % 256);}EndParallelCompositionhavoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;assume { :end_inline___VERIFIER_atomic_take_read_lock } true;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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) [2024-11-14 03:01:26,751 INFO L158 Benchmark]: Toolchain (without parser) took 4172.91ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 57.4MB in the end (delta: 58.8MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2024-11-14 03:01:26,751 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:01:26,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 676.86ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 89.0MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 03:01:26,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.09ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 83.8MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:01:26,752 INFO L158 Benchmark]: Boogie Preprocessor took 68.34ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 79.6MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:01:26,753 INFO L158 Benchmark]: RCFGBuilder took 3327.38ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 57.4MB in the end (delta: 22.3MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2024-11-14 03:01:26,755 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 676.86ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 89.0MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.09ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 83.8MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.34ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 79.6MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 3327.38ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 57.4MB in the end (delta: 22.3MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1;call __VERIFIER_atomic_take_read_lock_#t~mem25#1 := read~int(~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);call write~int(__VERIFIER_atomic_take_read_lock_#t~mem25#1, ~#__CS_u~0.base, ~#__CS_u~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);havoc __VERIFIER_atomic_take_read_lock_#t~mem25#1;call __VERIFIER_atomic_take_read_lock_#t~mem26#1 := read~int(~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);call write~int(1 + __VERIFIER_atomic_take_read_lock_#t~mem26#1, ~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);havoc __VERIFIER_atomic_take_read_lock_#t~mem26#1;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~__CS_ret~0 % 256;call __VERIFIER_atomic_take_read_lock_#t~mem27#1 := read~int(~#__CS_u~0.base, ~#__CS_u~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);call write~int(__VERIFIER_atomic_take_read_lock_#t~mem27#1, ~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);ParallelCodeBlock1: assume !(0 != ~__CS_ret~0 % 256);}EndParallelCompositionhavoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;assume { :end_inline___VERIFIER_atomic_take_read_lock } true;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1;call __VERIFIER_atomic_take_read_lock_#t~mem25#1 := read~int(~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);call write~int(__VERIFIER_atomic_take_read_lock_#t~mem25#1, ~#__CS_u~0.base, ~#__CS_u~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);havoc __VERIFIER_atomic_take_read_lock_#t~mem25#1;call __VERIFIER_atomic_take_read_lock_#t~mem26#1 := read~int(~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);call write~int(1 + __VERIFIER_atomic_take_read_lock_#t~mem26#1, ~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);havoc __VERIFIER_atomic_take_read_lock_#t~mem26#1;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~__CS_ret~0 % 256;call __VERIFIER_atomic_take_read_lock_#t~mem27#1 := read~int(~#__CS_u~0.base, ~#__CS_u~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);call write~int(__VERIFIER_atomic_take_read_lock_#t~mem27#1, ~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);ParallelCodeBlock1: assume !(0 != ~__CS_ret~0 % 256);}EndParallelCompositionhavoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;assume { :end_inline___VERIFIER_atomic_take_read_lock } true;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-14 03:01:26,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:01:29,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:01:29,441 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:01:29,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:01:29,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:01:29,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:01:29,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:01:29,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:01:29,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:01:29,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:01:29,525 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:01:29,525 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:01:29,525 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:01:29,529 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:01:29,529 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:01:29,529 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:01:29,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:01:29,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:01:29,530 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:01:29,530 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:01:29,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:01:29,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:01:29,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:01:29,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:01:29,531 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:01:29,531 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:01:29,531 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:01:29,531 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:01:29,531 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:01:29,531 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:01:29,532 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:01:29,532 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:01:29,532 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:01:29,532 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:01:29,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:01:29,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:01:29,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:01:29,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:01:29,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:01:29,534 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:01:29,534 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:01:29,534 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:01:29,534 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:01:29,534 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2024-11-14 03:01:29,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:01:29,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:01:29,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:01:29,881 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:01:29,881 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:01:29,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i Unable to find full path for "g++" [2024-11-14 03:01:31,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:01:32,247 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:01:32,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2024-11-14 03:01:32,274 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/data/466f84207/1f770ed3f15143f3b04aeb37e1cec77b/FLAGa07c57410 [2024-11-14 03:01:32,298 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/data/466f84207/1f770ed3f15143f3b04aeb37e1cec77b [2024-11-14 03:01:32,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:01:32,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:01:32,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:01:32,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:01:32,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:01:32,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:01:32" (1/1) ... [2024-11-14 03:01:32,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aed973f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:32, skipping insertion in model container [2024-11-14 03:01:32,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:01:32" (1/1) ... [2024-11-14 03:01:32,362 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:01:32,748 WARN L250 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_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2024-11-14 03:01:32,872 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 03:01:32,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:01:32,933 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:01:32,989 WARN L250 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_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2024-11-14 03:01:33,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:01:33,138 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:01:33,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:33 WrapperNode [2024-11-14 03:01:33,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:01:33,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:01:33,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:01:33,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:01:33,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:33" (1/1) ... [2024-11-14 03:01:33,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:33" (1/1) ... [2024-11-14 03:01:33,253 INFO L138 Inliner]: procedures = 152, calls = 322, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 620 [2024-11-14 03:01:33,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:01:33,254 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:01:33,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:01:33,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:01:33,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:33" (1/1) ... [2024-11-14 03:01:33,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:33" (1/1) ... [2024-11-14 03:01:33,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:33" (1/1) ... [2024-11-14 03:01:33,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:33" (1/1) ... [2024-11-14 03:01:33,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:33" (1/1) ... [2024-11-14 03:01:33,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:33" (1/1) ... [2024-11-14 03:01:33,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:33" (1/1) ... [2024-11-14 03:01:33,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:33" (1/1) ... [2024-11-14 03:01:33,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:01:33,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:01:33,325 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:01:33,325 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:01:33,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:33" (1/1) ... [2024-11-14 03:01:33,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:01:33,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:01:33,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:01:33,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:01:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-14 03:01:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 03:01:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:01:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:01:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:01:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 03:01:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 03:01:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-14 03:01:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-14 03:01:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 03:01:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-11-14 03:01:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-11-14 03:01:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-14 03:01:33,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-14 03:01:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-14 03:01:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 03:01:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 03:01:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 03:01:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:01:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-14 03:01:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-14 03:01:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-14 03:01:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2024-11-14 03:01:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2024-11-14 03:01:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:01:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:01:33,653 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:01:33,655 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:01:34,263 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extend~32~8(~__CS_ret~0)); [2024-11-14 03:01:34,263 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0bv32 != ~zero_extend~32~8(~__CS_ret~0);reader_#res#1.base, reader_#res#1.offset := 0bv32, 0bv32; [2024-11-14 03:01:38,054 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2024-11-14 03:01:38,054 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:01:38,132 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1;call __VERIFIER_atomic_take_read_lock_#t~mem25#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem25#1, ~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem25#1;call __VERIFIER_atomic_take_read_lock_#t~mem26#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(~bvadd~32(1bv32, __VERIFIER_atomic_take_read_lock_#t~mem26#1), ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem26#1;BeginParallelComposition{ParallelCodeBlock0: assume 0bv8 != ~__CS_ret~0;call __VERIFIER_atomic_take_read_lock_#t~mem27#1 := read~intINTTYPE4(~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem27#1, ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);ParallelCodeBlock1: assume !(0bv8 != ~__CS_ret~0);}EndParallelCompositionhavoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;assume { :end_inline___VERIFIER_atomic_take_read_lock } true;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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) [2024-11-14 03:01:38,139 INFO L158 Benchmark]: Toolchain (without parser) took 5835.09ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 58.7MB in the beginning and 35.0MB in the end (delta: 23.7MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2024-11-14 03:01:38,139 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 107.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:01:38,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 834.34ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 30.4MB in the end (delta: 28.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:01:38,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.72ms. Allocated memory is still 83.9MB. Free memory was 30.4MB in the beginning and 55.4MB in the end (delta: -25.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-14 03:01:38,142 INFO L158 Benchmark]: Boogie Preprocessor took 65.61ms. Allocated memory is still 83.9MB. Free memory was 55.4MB in the beginning and 51.0MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:01:38,143 INFO L158 Benchmark]: RCFGBuilder took 4812.26ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 50.6MB in the beginning and 35.0MB in the end (delta: 15.6MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2024-11-14 03:01:38,147 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 107.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 834.34ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 30.4MB in the end (delta: 28.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.72ms. Allocated memory is still 83.9MB. Free memory was 30.4MB in the beginning and 55.4MB in the end (delta: -25.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.61ms. Allocated memory is still 83.9MB. Free memory was 55.4MB in the beginning and 51.0MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 4812.26ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 50.6MB in the beginning and 35.0MB in the end (delta: 15.6MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1;call __VERIFIER_atomic_take_read_lock_#t~mem25#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem25#1, ~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem25#1;call __VERIFIER_atomic_take_read_lock_#t~mem26#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(~bvadd~32(1bv32, __VERIFIER_atomic_take_read_lock_#t~mem26#1), ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem26#1;BeginParallelComposition{ParallelCodeBlock0: assume 0bv8 != ~__CS_ret~0;call __VERIFIER_atomic_take_read_lock_#t~mem27#1 := read~intINTTYPE4(~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem27#1, ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);ParallelCodeBlock1: assume !(0bv8 != ~__CS_ret~0);}EndParallelCompositionhavoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;assume { :end_inline___VERIFIER_atomic_take_read_lock } true;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1;call __VERIFIER_atomic_take_read_lock_#t~mem25#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem25#1, ~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem25#1;call __VERIFIER_atomic_take_read_lock_#t~mem26#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(~bvadd~32(1bv32, __VERIFIER_atomic_take_read_lock_#t~mem26#1), ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem26#1;BeginParallelComposition{ParallelCodeBlock0: assume 0bv8 != ~__CS_ret~0;call __VERIFIER_atomic_take_read_lock_#t~mem27#1 := read~intINTTYPE4(~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem27#1, ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);ParallelCodeBlock1: assume !(0bv8 != ~__CS_ret~0);}EndParallelCompositionhavoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;assume { :end_inline___VERIFIER_atomic_take_read_lock } true;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-14 03:01:38,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a4f6b-a45e-4496-95cd-ee2c85e0ad30/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1;call __VERIFIER_atomic_take_read_lock_#t~mem25#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem25#1, ~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem25#1;call __VERIFIER_atomic_take_read_lock_#t~mem26#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(~bvadd~32(1bv32, __VERIFIER_atomic_take_read_lock_#t~mem26#1), ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem26#1;BeginParallelComposition{ParallelCodeBlock0: assume 0bv8 != ~__CS_ret~0;call __VERIFIER_atomic_take_read_lock_#t~mem27#1 := read~intINTTYPE4(~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem27#1, ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);ParallelCodeBlock1: assume !(0bv8 != ~__CS_ret~0);}EndParallelCompositionhavoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;assume { :end_inline___VERIFIER_atomic_take_read_lock } true;). Is there illegal control flow (e.g. loops) within an atomic block?