./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 30e01a73 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_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/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_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire --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 0.2.3-dev-30e01a7 [2023-11-23 21:16:45,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:16:45,707 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:16:45,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:16:45,714 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:16:45,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:16:45,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:16:45,744 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:16:45,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:16:45,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:16:45,746 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:16:45,747 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:16:45,747 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:16:45,748 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:16:45,749 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:16:45,749 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:16:45,750 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:16:45,751 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:16:45,751 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:16:45,752 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:16:45,753 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:16:45,753 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:16:45,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:16:45,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:16:45,755 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:16:45,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:16:45,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:16:45,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:16:45,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:16:45,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:16:45,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:16:45,759 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:16:45,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:16:45,760 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:16:45,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:16:45,761 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:16:45,761 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:16:45,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:16:45,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:16:45,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:16:45,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:16:45,764 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:16:45,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:16:45,765 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:16:45,765 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:16:45,765 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:16:45,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:16:45,766 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_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2023-11-23 21:16:46,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:16:46,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:16:46,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:16:46,074 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:16:46,075 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:16:46,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2023-11-23 21:16:49,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:16:49,683 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:16:49,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2023-11-23 21:16:49,705 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/data/5a05ecd31/c912ee61dd4140358832e9dc40a7330b/FLAG163330687 [2023-11-23 21:16:49,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/data/5a05ecd31/c912ee61dd4140358832e9dc40a7330b [2023-11-23 21:16:49,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:16:49,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:16:49,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:16:49,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:16:49,734 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:16:49,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:16:49" (1/1) ... [2023-11-23 21:16:49,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc72adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:49, skipping insertion in model container [2023-11-23 21:16:49,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:16:49" (1/1) ... [2023-11-23 21:16:49,798 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:16:50,218 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_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2023-11-23 21:16:50,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:16:50,426 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:16:50,463 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_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2023-11-23 21:16:50,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:16:50,618 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:16:50,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:50 WrapperNode [2023-11-23 21:16:50,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:16:50,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:50,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:16:50,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:16:50,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:50" (1/1) ... [2023-11-23 21:16:50,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:50" (1/1) ... [2023-11-23 21:16:50,722 INFO L138 Inliner]: procedures = 147, calls = 289, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 606 [2023-11-23 21:16:50,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:50,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:16:50,737 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:16:50,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:16:50,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:50" (1/1) ... [2023-11-23 21:16:50,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:50" (1/1) ... [2023-11-23 21:16:50,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:50" (1/1) ... [2023-11-23 21:16:50,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:50" (1/1) ... [2023-11-23 21:16:50,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:50" (1/1) ... [2023-11-23 21:16:50,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:50" (1/1) ... [2023-11-23 21:16:50,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:50" (1/1) ... [2023-11-23 21:16:50,872 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:50" (1/1) ... [2023-11-23 21:16:50,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:16:50,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:16:50,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:16:50,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:16:50,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:50" (1/1) ... [2023-11-23 21:16:50,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:16:50,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:16:50,931 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:16:50,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:16:50,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:16:50,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:16:50,979 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:16:50,979 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:16:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:16:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:16:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:16:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-23 21:16:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-23 21:16:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:16:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-23 21:16:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-23 21:16:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-23 21:16:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-23 21:16:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:16:50,984 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-23 21:16:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-23 21:16:50,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:16:50,985 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-11-23 21:16:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-11-23 21:16:50,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:16:50,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:16:51,213 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:16:51,215 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:16:51,757 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)); [2023-11-23 21:16:51,757 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; [2023-11-23 21:16:54,169 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:16:54,330 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) [2023-11-23 21:16:54,335 INFO L158 Benchmark]: Toolchain (without parser) took 4608.28ms. Allocated memory was 121.6MB in the beginning and 167.8MB in the end (delta: 46.1MB). Free memory was 75.0MB in the beginning and 96.0MB in the end (delta: -21.0MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2023-11-23 21:16:54,336 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:16:54,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 892.68ms. Allocated memory was 121.6MB in the beginning and 167.8MB in the end (delta: 46.1MB). Free memory was 74.7MB in the beginning and 131.8MB in the end (delta: -57.2MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2023-11-23 21:16:54,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.40ms. Allocated memory is still 167.8MB. Free memory was 131.8MB in the beginning and 126.3MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:16:54,338 INFO L158 Benchmark]: Boogie Preprocessor took 143.05ms. Allocated memory is still 167.8MB. Free memory was 126.3MB in the beginning and 121.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:16:54,339 INFO L158 Benchmark]: RCFGBuilder took 3444.99ms. Allocated memory is still 167.8MB. Free memory was 121.3MB in the beginning and 96.0MB in the end (delta: 25.3MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2023-11-23 21:16:54,342 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 892.68ms. Allocated memory was 121.6MB in the beginning and 167.8MB in the end (delta: 46.1MB). Free memory was 74.7MB in the beginning and 131.8MB in the end (delta: -57.2MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.40ms. Allocated memory is still 167.8MB. Free memory was 131.8MB in the beginning and 126.3MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 143.05ms. Allocated memory is still 167.8MB. Free memory was 126.3MB in the beginning and 121.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3444.99ms. Allocated memory is still 167.8MB. Free memory was 121.3MB in the beginning and 96.0MB in the end (delta: 25.3MB). Peak memory consumption was 44.7MB. 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. [2023-11-23 21:16:54,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/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_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/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_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire --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 0.2.3-dev-30e01a7 [2023-11-23 21:16:57,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:16:57,356 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:16:57,364 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:16:57,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:16:57,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:16:57,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:16:57,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:16:57,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:16:57,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:16:57,422 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:16:57,423 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:16:57,423 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:16:57,425 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:16:57,426 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:16:57,426 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:16:57,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:16:57,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:16:57,429 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:16:57,430 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:16:57,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:16:57,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:16:57,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:16:57,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:16:57,432 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:16:57,433 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:16:57,433 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:16:57,434 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:16:57,434 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:16:57,435 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:16:57,436 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:16:57,437 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:16:57,437 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:16:57,438 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:16:57,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:16:57,438 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:16:57,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:16:57,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:16:57,439 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:16:57,440 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:16:57,441 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:16:57,441 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:16:57,441 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:16:57,442 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:16:57,442 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_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2023-11-23 21:16:57,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:16:57,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:16:57,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:16:57,909 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:16:57,910 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:16:57,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2023-11-23 21:17:01,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:17:01,698 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:17:01,699 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2023-11-23 21:17:01,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/data/b93908baa/1357eb5363574248ac11fff06958f81f/FLAG556d9597b [2023-11-23 21:17:01,758 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/data/b93908baa/1357eb5363574248ac11fff06958f81f [2023-11-23 21:17:01,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:17:01,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:17:01,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:01,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:17:01,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:17:01,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:01" (1/1) ... [2023-11-23 21:17:01,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45fd8b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:01, skipping insertion in model container [2023-11-23 21:17:01,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:01" (1/1) ... [2023-11-23 21:17:01,870 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:17:02,343 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_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2023-11-23 21:17:02,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:02,576 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:17:02,625 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_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2023-11-23 21:17:02,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:02,811 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:17:02,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:02 WrapperNode [2023-11-23 21:17:02,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:02,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:02,813 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:17:02,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:17:02,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:02" (1/1) ... [2023-11-23 21:17:02,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:02" (1/1) ... [2023-11-23 21:17:02,906 INFO L138 Inliner]: procedures = 151, calls = 289, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 595 [2023-11-23 21:17:02,907 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:02,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:17:02,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:17:02,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:17:02,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:02" (1/1) ... [2023-11-23 21:17:02,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:02" (1/1) ... [2023-11-23 21:17:02,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:02" (1/1) ... [2023-11-23 21:17:02,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:02" (1/1) ... [2023-11-23 21:17:02,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:02" (1/1) ... [2023-11-23 21:17:02,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:02" (1/1) ... [2023-11-23 21:17:02,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:02" (1/1) ... [2023-11-23 21:17:02,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:02" (1/1) ... [2023-11-23 21:17:02,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:17:02,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:17:02,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:17:02,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:17:02,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:02" (1/1) ... [2023-11-23 21:17:02,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:03,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:03,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:17:03,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:17:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 21:17:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 21:17:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:17:03,108 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:17:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:17:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:17:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:17:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-23 21:17:03,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-23 21:17:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:17:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-23 21:17:03,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-23 21:17:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-23 21:17:03,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-23 21:17:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 21:17:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:17:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 21:17:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:17:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 21:17:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-23 21:17:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-23 21:17:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-11-23 21:17:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-11-23 21:17:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:17:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:17:03,302 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:17:03,305 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:17:03,985 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extend~32~8(~__CS_ret~0)); [2023-11-23 21:17:03,986 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; [2023-11-23 21:17:08,777 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:17:08,867 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) [2023-11-23 21:17:08,872 INFO L158 Benchmark]: Toolchain (without parser) took 7105.26ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 51.9MB in the beginning and 49.4MB in the end (delta: 2.5MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2023-11-23 21:17:08,873 INFO L158 Benchmark]: CDTParser took 1.31ms. Allocated memory is still 58.7MB. Free memory is still 34.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:17:08,873 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1042.07ms. Allocated memory is still 77.6MB. Free memory was 51.7MB in the beginning and 41.7MB in the end (delta: 10.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-23 21:17:08,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.86ms. Allocated memory is still 77.6MB. Free memory was 41.7MB in the beginning and 37.1MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:17:08,875 INFO L158 Benchmark]: Boogie Preprocessor took 74.95ms. Allocated memory is still 77.6MB. Free memory was 37.1MB in the beginning and 32.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:17:08,875 INFO L158 Benchmark]: RCFGBuilder took 5887.18ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 31.9MB in the beginning and 49.4MB in the end (delta: -17.5MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2023-11-23 21:17:08,879 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31ms. Allocated memory is still 58.7MB. Free memory is still 34.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1042.07ms. Allocated memory is still 77.6MB. Free memory was 51.7MB in the beginning and 41.7MB in the end (delta: 10.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.86ms. Allocated memory is still 77.6MB. Free memory was 41.7MB in the beginning and 37.1MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.95ms. Allocated memory is still 77.6MB. Free memory was 37.1MB in the beginning and 32.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 5887.18ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 31.9MB in the beginning and 49.4MB in the end (delta: -17.5MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1;call __VERIFIER_atomic_take_read_lock_#t~mem25#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem25#1, ~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem25#1;call __VERIFIER_atomic_take_read_lock_#t~mem26#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(~bvadd~32(1bv32, __VERIFIER_atomic_take_read_lock_#t~mem26#1), ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem26#1;BeginParallelComposition{ParallelCodeBlock0: assume 0bv8 != ~__CS_ret~0;call __VERIFIER_atomic_take_read_lock_#t~mem27#1 := read~intINTTYPE4(~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem27#1, ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);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. [2023-11-23 21:17:08,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c87d0-3b99-4168-bb2b-2ecccdfcc79b/bin/utaipan-verify-mE87zJ7Ire/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?