./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 4fc63b2a 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_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/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_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2 --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-4fc63b2 [2024-11-02 12:33:41,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:33:41,146 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:33:41,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:33:41,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:33:41,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:33:41,191 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:33:41,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:33:41,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:33:41,195 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:33:41,196 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:33:41,197 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:33:41,197 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:33:41,198 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:33:41,198 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:33:41,201 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:33:41,201 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:33:41,202 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:33:41,202 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:33:41,203 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:33:41,203 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:33:41,204 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:33:41,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:33:41,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:33:41,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:33:41,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:33:41,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:33:41,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:33:41,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:33:41,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:33:41,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:33:41,212 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:33:41,212 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:33:41,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:33:41,213 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:33:41,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:33:41,214 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:33:41,214 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:33:41,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:41,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:33:41,217 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:33:41,217 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:33:41,218 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:33:41,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:33:41,218 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:33:41,218 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:33:41,219 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:33:41,219 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_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2024-11-02 12:33:41,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:33:41,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:33:41,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:33:41,518 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:33:41,519 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:33:41,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i Unable to find full path for "g++" [2024-11-02 12:33:43,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:33:43,950 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:33:43,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2024-11-02 12:33:43,972 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/data/f6f7400f0/c5388d6601a14b4f829cd0500cded691/FLAGe7260535f [2024-11-02 12:33:44,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/data/f6f7400f0/c5388d6601a14b4f829cd0500cded691 [2024-11-02 12:33:44,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:33:44,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:33:44,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:44,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:33:44,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:33:44,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:44" (1/1) ... [2024-11-02 12:33:44,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@794d7339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:44, skipping insertion in model container [2024-11-02 12:33:44,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:44" (1/1) ... [2024-11-02 12:33:44,352 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:33:44,752 WARN L251 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_657eff2a-4875-47ee-9764-db8476011fa1/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2024-11-02 12:33:44,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:44,880 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:33:44,936 WARN L251 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_657eff2a-4875-47ee-9764-db8476011fa1/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2024-11-02 12:33:45,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:45,056 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:33:45,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:45 WrapperNode [2024-11-02 12:33:45,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:45,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:45,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:33:45,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:33:45,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:45" (1/1) ... [2024-11-02 12:33:45,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:45" (1/1) ... [2024-11-02 12:33:45,179 INFO L138 Inliner]: procedures = 146, calls = 312, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 584 [2024-11-02 12:33:45,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:45,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:33:45,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:33:45,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:33:45,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:45" (1/1) ... [2024-11-02 12:33:45,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:45" (1/1) ... [2024-11-02 12:33:45,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:45" (1/1) ... [2024-11-02 12:33:45,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:45" (1/1) ... [2024-11-02 12:33:45,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:45" (1/1) ... [2024-11-02 12:33:45,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:45" (1/1) ... [2024-11-02 12:33:45,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:45" (1/1) ... [2024-11-02 12:33:45,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:45" (1/1) ... [2024-11-02 12:33:45,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:33:45,298 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:33:45,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:33:45,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:33:45,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:45" (1/1) ... [2024-11-02 12:33:45,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:45,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:33:45,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:33:45,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:33:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:33:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:33:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:33:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:33:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:33:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:33:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:33:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-02 12:33:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-02 12:33:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:33:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-11-02 12:33:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-11-02 12:33:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-02 12:33:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-02 12:33:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:33:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:33:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-02 12:33:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-02 12:33:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:33:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2024-11-02 12:33:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2024-11-02 12:33:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:33:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:33:45,626 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:33:45,629 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:33:46,214 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)); [2024-11-02 12:33:46,215 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; [2024-11-02 12:33:48,697 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-02 12:33:48,698 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:33:48,881 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) [2024-11-02 12:33:48,889 INFO L158 Benchmark]: Toolchain (without parser) took 4602.46ms. Allocated memory is still 172.0MB. Free memory was 135.0MB in the beginning and 94.4MB in the end (delta: 40.6MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. [2024-11-02 12:33:48,890 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:33:48,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 771.90ms. Allocated memory is still 172.0MB. Free memory was 135.0MB in the beginning and 106.2MB in the end (delta: 28.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-02 12:33:48,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.02ms. Allocated memory is still 172.0MB. Free memory was 106.2MB in the beginning and 99.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-02 12:33:48,893 INFO L158 Benchmark]: Boogie Preprocessor took 112.42ms. Allocated memory is still 172.0MB. Free memory was 99.9MB in the beginning and 95.7MB in the end (delta: 4.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-02 12:33:48,894 INFO L158 Benchmark]: RCFGBuilder took 3587.18ms. Allocated memory is still 172.0MB. Free memory was 95.7MB in the beginning and 94.4MB in the end (delta: 1.3MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-11-02 12:33:48,900 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 771.90ms. Allocated memory is still 172.0MB. Free memory was 135.0MB in the beginning and 106.2MB in the end (delta: 28.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.02ms. Allocated memory is still 172.0MB. Free memory was 106.2MB in the beginning and 99.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.42ms. Allocated memory is still 172.0MB. Free memory was 99.9MB in the beginning and 95.7MB in the end (delta: 4.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3587.18ms. Allocated memory is still 172.0MB. Free memory was 95.7MB in the beginning and 94.4MB in the end (delta: 1.3MB). Peak memory consumption was 47.8MB. 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. [2024-11-02 12:33:48,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/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_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2 --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-4fc63b2 [2024-11-02 12:33:51,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:33:51,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:33:51,506 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:33:51,507 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:33:51,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:33:51,547 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:33:51,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:33:51,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:33:51,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:33:51,550 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:33:51,550 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:33:51,551 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:33:51,552 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:33:51,554 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:33:51,555 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:33:51,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:33:51,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:33:51,557 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:33:51,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:33:51,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:33:51,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:33:51,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:33:51,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:33:51,563 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:33:51,563 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:33:51,564 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:33:51,564 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:33:51,564 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:33:51,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:33:51,565 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:33:51,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:33:51,567 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:33:51,567 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:33:51,568 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:33:51,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:51,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:33:51,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:33:51,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:33:51,569 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:33:51,570 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:33:51,572 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:33:51,572 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:33:51,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:33:51,573 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2024-11-02 12:33:51,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:33:52,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:33:52,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:33:52,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:33:52,018 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:33:52,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i Unable to find full path for "g++" [2024-11-02 12:33:54,229 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:33:54,618 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:33:54,619 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2024-11-02 12:33:54,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/data/45739fff8/b8ae8c87b4d54d5d9db0afe2e9ed6829/FLAGae1686978 [2024-11-02 12:33:54,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/data/45739fff8/b8ae8c87b4d54d5d9db0afe2e9ed6829 [2024-11-02 12:33:54,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:33:54,868 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:33:54,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:54,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:33:54,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:33:54,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:54" (1/1) ... [2024-11-02 12:33:54,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2b85bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:54, skipping insertion in model container [2024-11-02 12:33:54,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:54" (1/1) ... [2024-11-02 12:33:54,959 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:33:55,515 WARN L251 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_657eff2a-4875-47ee-9764-db8476011fa1/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2024-11-02 12:33:55,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:55,697 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:33:55,741 WARN L251 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_657eff2a-4875-47ee-9764-db8476011fa1/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2024-11-02 12:33:55,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:55,863 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:33:55,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:55 WrapperNode [2024-11-02 12:33:55,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:55,865 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:55,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:33:55,865 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:33:55,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:55" (1/1) ... [2024-11-02 12:33:55,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:55" (1/1) ... [2024-11-02 12:33:55,992 INFO L138 Inliner]: procedures = 150, calls = 312, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 577 [2024-11-02 12:33:55,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:56,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:33:56,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:33:56,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:33:56,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:55" (1/1) ... [2024-11-02 12:33:56,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:55" (1/1) ... [2024-11-02 12:33:56,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:55" (1/1) ... [2024-11-02 12:33:56,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:55" (1/1) ... [2024-11-02 12:33:56,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:55" (1/1) ... [2024-11-02 12:33:56,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:55" (1/1) ... [2024-11-02 12:33:56,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:55" (1/1) ... [2024-11-02 12:33:56,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:55" (1/1) ... [2024-11-02 12:33:56,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:33:56,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:33:56,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:33:56,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:33:56,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:55" (1/1) ... [2024-11-02 12:33:56,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:56,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:33:56,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:33:56,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:33:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-02 12:33:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-02 12:33:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:33:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:33:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:33:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:33:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:33:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-02 12:33:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-02 12:33:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:33:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-11-02 12:33:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-11-02 12:33:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-02 12:33:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-02 12:33:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-02 12:33:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:33:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-02 12:33:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:33:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:33:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-02 12:33:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-02 12:33:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-02 12:33:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2024-11-02 12:33:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2024-11-02 12:33:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:33:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:33:56,580 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:33:56,586 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:33:57,368 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extend~32~8(~__CS_ret~0)); [2024-11-02 12:33:57,368 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; [2024-11-02 12:34:01,800 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-02 12:34:01,800 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:34:01,863 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) [2024-11-02 12:34:01,870 INFO L158 Benchmark]: Toolchain (without parser) took 7000.86ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 50.4MB in the beginning and 62.3MB in the end (delta: -11.9MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2024-11-02 12:34:01,871 INFO L158 Benchmark]: CDTParser took 1.22ms. Allocated memory is still 75.5MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:34:01,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 994.16ms. Allocated memory is still 75.5MB. Free memory was 50.2MB in the beginning and 38.1MB in the end (delta: 12.1MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-11-02 12:34:01,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.12ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 38.1MB in the beginning and 80.5MB in the end (delta: -42.4MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-11-02 12:34:01,873 INFO L158 Benchmark]: Boogie Preprocessor took 190.18ms. Allocated memory is still 104.9MB. Free memory was 80.5MB in the beginning and 75.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:34:01,874 INFO L158 Benchmark]: RCFGBuilder took 5676.70ms. Allocated memory is still 104.9MB. Free memory was 75.9MB in the beginning and 62.3MB in the end (delta: 13.6MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-11-02 12:34:01,878 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22ms. Allocated memory is still 75.5MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 994.16ms. Allocated memory is still 75.5MB. Free memory was 50.2MB in the beginning and 38.1MB in the end (delta: 12.1MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.12ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 38.1MB in the beginning and 80.5MB in the end (delta: -42.4MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 190.18ms. Allocated memory is still 104.9MB. Free memory was 80.5MB in the beginning and 75.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 5676.70ms. Allocated memory is still 104.9MB. Free memory was 75.9MB in the beginning and 62.3MB in the end (delta: 13.6MB). Peak memory consumption was 32.5MB. 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. [2024-11-02 12:34:01,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657eff2a-4875-47ee-9764-db8476011fa1/bin/utaipan-verify-DbMuA5NWw2/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 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?