./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje --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 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:29:28,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:29:28,381 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:29:28,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:29:28,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:29:28,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:29:28,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:29:28,449 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:29:28,450 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:29:28,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:29:28,451 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:29:28,452 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:29:28,453 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:29:28,455 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:29:28,456 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:29:28,456 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:29:28,457 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:29:28,457 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:29:28,458 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:29:28,458 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:29:28,459 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:29:28,463 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:29:28,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:29:28,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:29:28,464 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:29:28,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:29:28,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:29:28,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:29:28,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:29:28,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:29:28,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:29:28,470 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:29:28,470 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:29:28,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:29:28,493 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:29:28,494 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:29:28,494 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:29:28,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:29:28,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:29:28,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:29:28,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:29:28,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:29:28,497 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:29:28,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:29:28,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:29:28,498 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:29:28,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:29:28,498 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2024-11-09 05:29:28,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:29:28,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:29:28,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:29:28,930 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:29:28,931 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:29:28,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i Unable to find full path for "g++" [2024-11-09 05:29:31,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:29:31,392 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:29:31,393 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2024-11-09 05:29:31,442 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/data/4f4dd2c67/a6238de022b84d409779a485f11fc547/FLAG30f37ff10 [2024-11-09 05:29:31,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/data/4f4dd2c67/a6238de022b84d409779a485f11fc547 [2024-11-09 05:29:31,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:29:31,468 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:29:31,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:29:31,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:29:31,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:29:31,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:29:31" (1/1) ... [2024-11-09 05:29:31,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53984fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:31, skipping insertion in model container [2024-11-09 05:29:31,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:29:31" (1/1) ... [2024-11-09 05:29:31,545 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:29:31,997 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_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2024-11-09 05:29:32,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:29:32,183 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:29:32,219 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_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2024-11-09 05:29:32,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:29:32,332 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:29:32,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:32 WrapperNode [2024-11-09 05:29:32,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:29:32,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:29:32,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:29:32,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:29:32,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:32" (1/1) ... [2024-11-09 05:29:32,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:32" (1/1) ... [2024-11-09 05:29:32,423 INFO L138 Inliner]: procedures = 146, calls = 312, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 584 [2024-11-09 05:29:32,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:29:32,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:29:32,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:29:32,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:29:32,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:32" (1/1) ... [2024-11-09 05:29:32,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:32" (1/1) ... [2024-11-09 05:29:32,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:32" (1/1) ... [2024-11-09 05:29:32,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:32" (1/1) ... [2024-11-09 05:29:32,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:32" (1/1) ... [2024-11-09 05:29:32,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:32" (1/1) ... [2024-11-09 05:29:32,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:32" (1/1) ... [2024-11-09 05:29:32,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:32" (1/1) ... [2024-11-09 05:29:32,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:29:32,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:29:32,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:29:32,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:29:32,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:32" (1/1) ... [2024-11-09 05:29:32,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:29:32,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:29:32,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:29:32,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:29:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:29:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:29:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:29:32,614 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:29:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:29:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:29:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:29:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-09 05:29:32,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-09 05:29:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:29:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-11-09 05:29:32,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-11-09 05:29:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-09 05:29:32,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-09 05:29:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:29:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 05:29:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-09 05:29:32,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-09 05:29:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:29:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2024-11-09 05:29:32,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2024-11-09 05:29:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:29:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:29:32,818 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:29:32,820 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:29:33,403 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)); [2024-11-09 05:29:33,403 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; [2024-11-09 05:29:35,865 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-09 05:29:35,865 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:29:36,041 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_write_lock_#t~mem21#1;havoc __VERIFIER_atomic_take_write_lock_#t~mem22#1;havoc __VERIFIER_atomic_take_write_lock_#t~short23#1;call write~int(1, ~#w~0.base, ~#w~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_write_lock_#t~mem21#1, __VERIFIER_atomic_take_write_lock_#t~mem22#1, __VERIFIER_atomic_take_write_lock_#t~short23#1;assume { :end_inline___VERIFIER_atomic_take_write_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) [2024-11-09 05:29:36,047 INFO L158 Benchmark]: Toolchain (without parser) took 4578.57ms. Allocated memory is still 167.8MB. Free memory was 137.2MB in the beginning and 72.8MB in the end (delta: 64.4MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2024-11-09 05:29:36,048 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 125.8MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:29:36,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 862.17ms. Allocated memory is still 167.8MB. Free memory was 137.2MB in the beginning and 107.6MB in the end (delta: 29.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 05:29:36,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.35ms. Allocated memory is still 167.8MB. Free memory was 107.6MB in the beginning and 102.0MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:29:36,051 INFO L158 Benchmark]: Boogie Preprocessor took 93.99ms. Allocated memory is still 167.8MB. Free memory was 102.0MB in the beginning and 97.3MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:29:36,052 INFO L158 Benchmark]: RCFGBuilder took 3526.04ms. Allocated memory is still 167.8MB. Free memory was 97.3MB in the beginning and 72.8MB in the end (delta: 24.5MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2024-11-09 05:29:36,055 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 125.8MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 862.17ms. Allocated memory is still 167.8MB. Free memory was 137.2MB in the beginning and 107.6MB in the end (delta: 29.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.35ms. Allocated memory is still 167.8MB. Free memory was 107.6MB in the beginning and 102.0MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.99ms. Allocated memory is still 167.8MB. Free memory was 102.0MB in the beginning and 97.3MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3526.04ms. Allocated memory is still 167.8MB. Free memory was 97.3MB in the beginning and 72.8MB in the end (delta: 24.5MB). Peak memory consumption was 35.0MB. 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_write_lock_#t~mem21#1;havoc __VERIFIER_atomic_take_write_lock_#t~mem22#1;havoc __VERIFIER_atomic_take_write_lock_#t~short23#1;call write~int(1, ~#w~0.base, ~#w~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_write_lock_#t~mem21#1, __VERIFIER_atomic_take_write_lock_#t~mem22#1, __VERIFIER_atomic_take_write_lock_#t~short23#1;assume { :end_inline___VERIFIER_atomic_take_write_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_write_lock_#t~mem21#1;havoc __VERIFIER_atomic_take_write_lock_#t~mem22#1;havoc __VERIFIER_atomic_take_write_lock_#t~short23#1;call write~int(1, ~#w~0.base, ~#w~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_write_lock_#t~mem21#1, __VERIFIER_atomic_take_write_lock_#t~mem22#1, __VERIFIER_atomic_take_write_lock_#t~short23#1;assume { :end_inline___VERIFIER_atomic_take_write_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. [2024-11-09 05:29:36,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje --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 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:29:38,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:29:38,838 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:29:38,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:29:38,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:29:38,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:29:38,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:29:38,874 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:29:38,874 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:29:38,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:29:38,875 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:29:38,876 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:29:38,876 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:29:38,877 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:29:38,877 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:29:38,877 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:29:38,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:29:38,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:29:38,879 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:29:38,879 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:29:38,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:29:38,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:29:38,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:29:38,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:29:38,881 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:29:38,881 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:29:38,882 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:29:38,882 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:29:38,882 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:29:38,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:29:38,883 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:29:38,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:29:38,883 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:29:38,884 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:29:38,884 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:29:38,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:29:38,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:29:38,885 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:29:38,885 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:29:38,885 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:29:38,886 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:29:38,886 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:29:38,887 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:29:38,887 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_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2024-11-09 05:29:39,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:29:39,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:29:39,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:29:39,318 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:29:39,318 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:29:39,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i Unable to find full path for "g++" [2024-11-09 05:29:41,537 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:29:41,905 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:29:41,909 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2024-11-09 05:29:41,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/data/a8162d7f1/257c76a2eb934cf5bf0b50adfa1e1fa8/FLAG4bacf19af [2024-11-09 05:29:41,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/data/a8162d7f1/257c76a2eb934cf5bf0b50adfa1e1fa8 [2024-11-09 05:29:41,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:29:41,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:29:41,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:29:41,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:29:41,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:29:41,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:29:41" (1/1) ... [2024-11-09 05:29:41,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b22312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:41, skipping insertion in model container [2024-11-09 05:29:41,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:29:41" (1/1) ... [2024-11-09 05:29:42,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:29:42,556 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_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2024-11-09 05:29:42,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:29:42,777 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:29:42,864 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_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2024-11-09 05:29:42,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:29:43,007 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:29:43,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:43 WrapperNode [2024-11-09 05:29:43,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:29:43,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:29:43,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:29:43,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:29:43,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:43" (1/1) ... [2024-11-09 05:29:43,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:43" (1/1) ... [2024-11-09 05:29:43,134 INFO L138 Inliner]: procedures = 150, calls = 312, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 577 [2024-11-09 05:29:43,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:29:43,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:29:43,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:29:43,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:29:43,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:43" (1/1) ... [2024-11-09 05:29:43,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:43" (1/1) ... [2024-11-09 05:29:43,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:43" (1/1) ... [2024-11-09 05:29:43,161 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:43" (1/1) ... [2024-11-09 05:29:43,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:43" (1/1) ... [2024-11-09 05:29:43,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:43" (1/1) ... [2024-11-09 05:29:43,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:43" (1/1) ... [2024-11-09 05:29:43,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:43" (1/1) ... [2024-11-09 05:29:43,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:29:43,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:29:43,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:29:43,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:29:43,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:43" (1/1) ... [2024-11-09 05:29:43,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:29:43,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:29:43,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:29:43,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:29:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 05:29:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 05:29:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:29:43,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:29:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:29:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:29:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:29:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-09 05:29:43,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-09 05:29:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:29:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-11-09 05:29:43,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-11-09 05:29:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-09 05:29:43,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-09 05:29:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 05:29:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:29:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 05:29:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 05:29:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:29:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 05:29:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-09 05:29:43,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-09 05:29:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2024-11-09 05:29:43,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2024-11-09 05:29:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:29:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:29:43,590 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:29:43,593 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:29:44,377 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extend~32~8(~__CS_ret~0)); [2024-11-09 05:29:44,378 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; [2024-11-09 05:29:48,656 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-09 05:29:48,656 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:29:48,740 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __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;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~intINTTYPE4(~#w~0.base, ~bvadd~32(~#w~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);). 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:146) 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) [2024-11-09 05:29:48,747 INFO L158 Benchmark]: Toolchain (without parser) took 6773.55ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 58.6MB in the beginning and 52.4MB in the end (delta: 6.2MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2024-11-09 05:29:48,748 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 59.7MB in the end (delta: 148.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:29:48,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1030.29ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 49.5MB in the end (delta: 9.1MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-11-09 05:29:48,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.61ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 44.8MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 05:29:48,751 INFO L158 Benchmark]: Boogie Preprocessor took 77.42ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 39.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:29:48,753 INFO L158 Benchmark]: RCFGBuilder took 5531.69ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 39.9MB in the beginning and 52.4MB in the end (delta: -12.5MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-11-09 05:29:48,758 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 83.9MB. Free memory was 59.9MB in the beginning and 59.7MB in the end (delta: 148.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1030.29ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 49.5MB in the end (delta: 9.1MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.61ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 44.8MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.42ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 39.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 5531.69ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 39.9MB in the beginning and 52.4MB in the end (delta: -12.5MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __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;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~intINTTYPE4(~#w~0.base, ~bvadd~32(~#w~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __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;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~intINTTYPE4(~#w~0.base, ~bvadd~32(~#w~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);). 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:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 05:29:48,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e0fb7d-e9b2-438a-ac06-d5f455fca243/bin/utaipan-verify-YMUCfTKeje/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 start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __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;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~intINTTYPE4(~#w~0.base, ~bvadd~32(~#w~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?