./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:02:38,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:02:39,028 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 20:02:39,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:02:39,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:02:39,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:02:39,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:02:39,059 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:02:39,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:02:39,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:02:39,061 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 20:02:39,062 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 20:02:39,062 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 20:02:39,063 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 20:02:39,063 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 20:02:39,064 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 20:02:39,064 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 20:02:39,065 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 20:02:39,065 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 20:02:39,066 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 20:02:39,066 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 20:02:39,068 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 20:02:39,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:02:39,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:02:39,070 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:02:39,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:02:39,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:02:39,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:02:39,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:02:39,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:02:39,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:02:39,073 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:02:39,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:02:39,073 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:02:39,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:02:39,074 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:02:39,074 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:02:39,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:02:39,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:02:39,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:02:39,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:02:39,075 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 20:02:39,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:02:39,075 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:02:39,076 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:02:39,076 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 20:02:39,076 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:02:39,076 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_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2023-12-02 20:02:39,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:02:39,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:02:39,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:02:39,326 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:02:39,326 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:02:39,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2023-12-02 20:02:42,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:02:42,258 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:02:42,259 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2023-12-02 20:02:42,278 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/data/8d3bcc5a0/f2b14ff3e3bb466c91da413541f23dd0/FLAGa28b233f2 [2023-12-02 20:02:42,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/data/8d3bcc5a0/f2b14ff3e3bb466c91da413541f23dd0 [2023-12-02 20:02:42,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:02:42,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:02:42,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:02:42,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:02:42,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:02:42,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:02:42" (1/1) ... [2023-12-02 20:02:42,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@347af1f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:42, skipping insertion in model container [2023-12-02 20:02:42,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:02:42" (1/1) ... [2023-12-02 20:02:42,365 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:02:42,620 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2023-12-02 20:02:42,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:02:42,726 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:02:42,753 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2023-12-02 20:02:42,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:02:42,870 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:02:42,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:42 WrapperNode [2023-12-02 20:02:42,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:02:42,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:02:42,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:02:42,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:02:42,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:42" (1/1) ... [2023-12-02 20:02:42,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:42" (1/1) ... [2023-12-02 20:02:42,954 INFO L138 Inliner]: procedures = 147, calls = 289, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 606 [2023-12-02 20:02:42,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:02:42,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:02:42,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:02:42,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:02:42,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:42" (1/1) ... [2023-12-02 20:02:42,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:42" (1/1) ... [2023-12-02 20:02:42,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:42" (1/1) ... [2023-12-02 20:02:42,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:42" (1/1) ... [2023-12-02 20:02:43,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:42" (1/1) ... [2023-12-02 20:02:43,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:42" (1/1) ... [2023-12-02 20:02:43,015 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:42" (1/1) ... [2023-12-02 20:02:43,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:42" (1/1) ... [2023-12-02 20:02:43,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:02:43,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:02:43,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:02:43,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:02:43,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:42" (1/1) ... [2023-12-02 20:02:43,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:02:43,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:02:43,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:02:43,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:02:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:02:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:02:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 20:02:43,099 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 20:02:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:02:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:02:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 20:02:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-12-02 20:02:43,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-12-02 20:02:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 20:02:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-12-02 20:02:43,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-12-02 20:02:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-12-02 20:02:43,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-12-02 20:02:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:02:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-12-02 20:02:43,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-12-02 20:02:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:02:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-12-02 20:02:43,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-12-02 20:02:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:02:43,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:02:43,274 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:02:43,276 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:02:43,623 INFO L775 $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)); [2023-12-02 20:02:43,624 INFO L775 $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; [2023-12-02 20:02:45,911 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:02:46,063 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1;call __VERIFIER_atomic_take_read_lock_#t~mem25#1 := read~int(~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);call write~int(__VERIFIER_atomic_take_read_lock_#t~mem25#1, ~#__CS_u~0.base, ~#__CS_u~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);havoc __VERIFIER_atomic_take_read_lock_#t~mem25#1;call __VERIFIER_atomic_take_read_lock_#t~mem26#1 := read~int(~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);call write~int(1 + __VERIFIER_atomic_take_read_lock_#t~mem26#1, ~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);havoc __VERIFIER_atomic_take_read_lock_#t~mem26#1;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~__CS_ret~0 % 256;call __VERIFIER_atomic_take_read_lock_#t~mem27#1 := read~int(~#__CS_u~0.base, ~#__CS_u~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);call write~int(__VERIFIER_atomic_take_read_lock_#t~mem27#1, ~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);havoc __VERIFIER_atomic_take_read_lock_#t~mem27#1;ParallelCodeBlock1: assume !(0 != ~__CS_ret~0 % 256);}EndParallelCompositionhavoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;assume { :end_inline___VERIFIER_atomic_take_read_lock } true;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 20:02:46,067 INFO L158 Benchmark]: Toolchain (without parser) took 3769.73ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 86.5MB in the beginning and 123.2MB in the end (delta: -36.7MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2023-12-02 20:02:46,068 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory was 44.8MB in the beginning and 44.7MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:02:46,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.33ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 86.1MB in the beginning and 131.9MB in the end (delta: -45.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2023-12-02 20:02:46,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.16ms. Allocated memory is still 167.8MB. Free memory was 131.9MB in the beginning and 126.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 20:02:46,070 INFO L158 Benchmark]: Boogie Preprocessor took 74.66ms. Allocated memory is still 167.8MB. Free memory was 126.7MB in the beginning and 121.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 20:02:46,070 INFO L158 Benchmark]: RCFGBuilder took 3035.41ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 123.2MB in the end (delta: -1.8MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2023-12-02 20:02:46,073 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory was 44.8MB in the beginning and 44.7MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.33ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 86.1MB in the beginning and 131.9MB in the end (delta: -45.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.16ms. Allocated memory is still 167.8MB. Free memory was 131.9MB in the beginning and 126.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.66ms. Allocated memory is still 167.8MB. Free memory was 126.7MB in the beginning and 121.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3035.41ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 123.2MB in the end (delta: -1.8MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1;call __VERIFIER_atomic_take_read_lock_#t~mem25#1 := read~int(~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);call write~int(__VERIFIER_atomic_take_read_lock_#t~mem25#1, ~#__CS_u~0.base, ~#__CS_u~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);havoc __VERIFIER_atomic_take_read_lock_#t~mem25#1;call __VERIFIER_atomic_take_read_lock_#t~mem26#1 := read~int(~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);call write~int(1 + __VERIFIER_atomic_take_read_lock_#t~mem26#1, ~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);havoc __VERIFIER_atomic_take_read_lock_#t~mem26#1;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~__CS_ret~0 % 256;call __VERIFIER_atomic_take_read_lock_#t~mem27#1 := read~int(~#__CS_u~0.base, ~#__CS_u~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);call write~int(__VERIFIER_atomic_take_read_lock_#t~mem27#1, ~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);havoc __VERIFIER_atomic_take_read_lock_#t~mem27#1;ParallelCodeBlock1: assume !(0 != ~__CS_ret~0 % 256);}EndParallelCompositionhavoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;assume { :end_inline___VERIFIER_atomic_take_read_lock } true;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1;call __VERIFIER_atomic_take_read_lock_#t~mem25#1 := read~int(~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);call write~int(__VERIFIER_atomic_take_read_lock_#t~mem25#1, ~#__CS_u~0.base, ~#__CS_u~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);havoc __VERIFIER_atomic_take_read_lock_#t~mem25#1;call __VERIFIER_atomic_take_read_lock_#t~mem26#1 := read~int(~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);call write~int(1 + __VERIFIER_atomic_take_read_lock_#t~mem26#1, ~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);havoc __VERIFIER_atomic_take_read_lock_#t~mem26#1;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~__CS_ret~0 % 256;call __VERIFIER_atomic_take_read_lock_#t~mem27#1 := read~int(~#__CS_u~0.base, ~#__CS_u~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);call write~int(__VERIFIER_atomic_take_read_lock_#t~mem27#1, ~#r~0.base, ~#r~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);havoc __VERIFIER_atomic_take_read_lock_#t~mem27#1;ParallelCodeBlock1: assume !(0 != ~__CS_ret~0 % 256);}EndParallelCompositionhavoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;assume { :end_inline___VERIFIER_atomic_take_read_lock } true;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 20:02:46,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/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_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:02:48,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:02:48,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 20:02:48,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:02:48,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:02:48,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:02:48,155 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:02:48,156 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:02:48,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:02:48,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:02:48,157 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 20:02:48,158 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 20:02:48,159 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 20:02:48,159 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 20:02:48,160 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 20:02:48,160 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 20:02:48,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:02:48,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:02:48,162 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:02:48,163 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:02:48,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:02:48,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:02:48,164 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:02:48,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:02:48,165 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 20:02:48,166 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 20:02:48,166 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 20:02:48,166 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:02:48,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:02:48,167 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:02:48,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:02:48,168 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:02:48,168 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:02:48,169 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:02:48,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:02:48,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:02:48,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:02:48,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:02:48,170 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 20:02:48,170 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:02:48,170 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:02:48,171 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:02:48,171 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 20:02:48,171 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:02:48,171 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_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2023-12-02 20:02:48,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:02:48,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:02:48,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:02:48,483 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:02:48,483 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:02:48,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2023-12-02 20:02:51,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:02:51,533 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:02:51,533 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2023-12-02 20:02:51,552 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/data/b2114b1f1/9bcc10b950f94b64a27c0baa85e7d714/FLAG0466a5e1b [2023-12-02 20:02:51,820 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/data/b2114b1f1/9bcc10b950f94b64a27c0baa85e7d714 [2023-12-02 20:02:51,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:02:51,825 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:02:51,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:02:51,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:02:51,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:02:51,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:02:51" (1/1) ... [2023-12-02 20:02:51,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@718c909b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:51, skipping insertion in model container [2023-12-02 20:02:51,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:02:51" (1/1) ... [2023-12-02 20:02:51,884 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:02:52,181 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2023-12-02 20:02:52,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:02:52,293 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:02:52,322 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2023-12-02 20:02:52,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:02:52,454 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:02:52,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:52 WrapperNode [2023-12-02 20:02:52,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:02:52,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:02:52,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:02:52,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:02:52,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:52" (1/1) ... [2023-12-02 20:02:52,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:52" (1/1) ... [2023-12-02 20:02:52,530 INFO L138 Inliner]: procedures = 151, calls = 289, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 595 [2023-12-02 20:02:52,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:02:52,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:02:52,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:02:52,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:02:52,541 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:52" (1/1) ... [2023-12-02 20:02:52,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:52" (1/1) ... [2023-12-02 20:02:52,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:52" (1/1) ... [2023-12-02 20:02:52,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:52" (1/1) ... [2023-12-02 20:02:52,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:52" (1/1) ... [2023-12-02 20:02:52,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:52" (1/1) ... [2023-12-02 20:02:52,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:52" (1/1) ... [2023-12-02 20:02:52,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:52" (1/1) ... [2023-12-02 20:02:52,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:02:52,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:02:52,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:02:52,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:02:52,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:02:52" (1/1) ... [2023-12-02 20:02:52,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:02:52,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:02:52,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:02:52,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:02:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 20:02:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 20:02:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 20:02:52,666 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 20:02:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:02:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:02:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 20:02:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-12-02 20:02:52,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-12-02 20:02:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 20:02:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-12-02 20:02:52,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-12-02 20:02:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-12-02 20:02:52,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-12-02 20:02:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 20:02:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:02:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 20:02:52,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 20:02:52,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 20:02:52,668 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-12-02 20:02:52,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-12-02 20:02:52,668 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-12-02 20:02:52,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-12-02 20:02:52,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:02:52,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:02:52,840 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:02:52,842 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:02:53,384 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extend~32~8(~__CS_ret~0)); [2023-12-02 20:02:53,384 INFO L775 $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; [2023-12-02 20:02:56,404 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:02:56,476 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1;call __VERIFIER_atomic_take_read_lock_#t~mem25#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem25#1, ~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem25#1;call __VERIFIER_atomic_take_read_lock_#t~mem26#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(~bvadd~32(1bv32, __VERIFIER_atomic_take_read_lock_#t~mem26#1), ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem26#1;BeginParallelComposition{ParallelCodeBlock0: assume 0bv8 != ~__CS_ret~0;call __VERIFIER_atomic_take_read_lock_#t~mem27#1 := read~intINTTYPE4(~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem27#1, ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem27#1;ParallelCodeBlock1: assume !(0bv8 != ~__CS_ret~0);}EndParallelCompositionhavoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;assume { :end_inline___VERIFIER_atomic_take_read_lock } true;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 20:02:56,480 INFO L158 Benchmark]: Toolchain (without parser) took 4655.33ms. Allocated memory is still 98.6MB. Free memory was 73.0MB in the beginning and 51.1MB in the end (delta: 21.9MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-12-02 20:02:56,481 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:02:56,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 629.29ms. Allocated memory is still 98.6MB. Free memory was 72.8MB in the beginning and 70.5MB in the end (delta: 2.3MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2023-12-02 20:02:56,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.83ms. Allocated memory is still 98.6MB. Free memory was 70.5MB in the beginning and 65.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 20:02:56,482 INFO L158 Benchmark]: Boogie Preprocessor took 67.44ms. Allocated memory is still 98.6MB. Free memory was 65.8MB in the beginning and 61.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 20:02:56,483 INFO L158 Benchmark]: RCFGBuilder took 3879.35ms. Allocated memory is still 98.6MB. Free memory was 60.8MB in the beginning and 51.1MB in the end (delta: 9.6MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-12-02 20:02:56,486 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 629.29ms. Allocated memory is still 98.6MB. Free memory was 72.8MB in the beginning and 70.5MB in the end (delta: 2.3MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.83ms. Allocated memory is still 98.6MB. Free memory was 70.5MB in the beginning and 65.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.44ms. Allocated memory is still 98.6MB. Free memory was 65.8MB in the beginning and 61.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3879.35ms. Allocated memory is still 98.6MB. Free memory was 60.8MB in the beginning and 51.1MB in the end (delta: 9.6MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1;call __VERIFIER_atomic_take_read_lock_#t~mem25#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem25#1, ~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem25#1;call __VERIFIER_atomic_take_read_lock_#t~mem26#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(~bvadd~32(1bv32, __VERIFIER_atomic_take_read_lock_#t~mem26#1), ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem26#1;BeginParallelComposition{ParallelCodeBlock0: assume 0bv8 != ~__CS_ret~0;call __VERIFIER_atomic_take_read_lock_#t~mem27#1 := read~intINTTYPE4(~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem27#1, ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem27#1;ParallelCodeBlock1: assume !(0bv8 != ~__CS_ret~0);}EndParallelCompositionhavoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;assume { :end_inline___VERIFIER_atomic_take_read_lock } true;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1;call __VERIFIER_atomic_take_read_lock_#t~mem25#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem25#1, ~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem25#1;call __VERIFIER_atomic_take_read_lock_#t~mem26#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(~bvadd~32(1bv32, __VERIFIER_atomic_take_read_lock_#t~mem26#1), ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem26#1;BeginParallelComposition{ParallelCodeBlock0: assume 0bv8 != ~__CS_ret~0;call __VERIFIER_atomic_take_read_lock_#t~mem27#1 := read~intINTTYPE4(~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem27#1, ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem27#1;ParallelCodeBlock1: assume !(0bv8 != ~__CS_ret~0);}EndParallelCompositionhavoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;assume { :end_inline___VERIFIER_atomic_take_read_lock } true;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 20:02:56,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75bf1142-7a4e-456d-b7d5-a2a879e8cc9b/bin/utaipan-verify-nQ1chXbOIh/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 end of atomic block: havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1;call __VERIFIER_atomic_take_read_lock_#t~mem25#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem25#1, ~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem25#1;call __VERIFIER_atomic_take_read_lock_#t~mem26#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(~bvadd~32(1bv32, __VERIFIER_atomic_take_read_lock_#t~mem26#1), ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem26#1;BeginParallelComposition{ParallelCodeBlock0: assume 0bv8 != ~__CS_ret~0;call __VERIFIER_atomic_take_read_lock_#t~mem27#1 := read~intINTTYPE4(~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem27#1, ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem27#1;ParallelCodeBlock1: assume !(0bv8 != ~__CS_ret~0);}EndParallelCompositionhavoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;assume { :end_inline___VERIFIER_atomic_take_read_lock } true;). Is there illegal control flow (e.g. loops) within an atomic block?