./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 9bd2c7ff 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_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:40:48,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:40:48,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:40:48,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:40:48,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:40:48,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:40:48,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:40:48,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:40:48,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:40:48,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:40:48,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:40:48,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:40:48,395 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:40:48,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:40:48,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:40:48,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:40:48,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:40:48,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:40:48,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:40:48,400 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:40:48,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:40:48,401 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:40:48,402 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:40:48,402 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:40:48,403 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:40:48,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:40:48,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:48,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:40:48,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:40:48,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:40:48,406 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:40:48,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:40:48,406 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:40:48,407 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2023-11-19 03:40:48,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:40:48,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:40:48,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:40:48,748 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:40:48,748 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:40:48,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2023-11-19 03:40:52,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:40:52,637 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:40:52,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2023-11-19 03:40:52,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/data/72c50178f/ed12d140f56245ae94631a2329a5a250/FLAG3c3268dc5 [2023-11-19 03:40:52,693 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/data/72c50178f/ed12d140f56245ae94631a2329a5a250 [2023-11-19 03:40:52,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:40:52,699 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:40:52,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:52,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:40:52,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:40:52,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:52" (1/1) ... [2023-11-19 03:40:52,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f3631af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:52, skipping insertion in model container [2023-11-19 03:40:52,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:52" (1/1) ... [2023-11-19 03:40:52,777 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:40:53,207 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_439c93cf-3463-460d-8254-f2ed0f0170db/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2023-11-19 03:40:53,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:53,449 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:40:53,495 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_439c93cf-3463-460d-8254-f2ed0f0170db/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2023-11-19 03:40:53,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:53,619 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:40:53,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:53 WrapperNode [2023-11-19 03:40:53,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:53,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:53,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:40:53,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:40:53,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:53" (1/1) ... [2023-11-19 03:40:53,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:53" (1/1) ... [2023-11-19 03:40:53,754 INFO L138 Inliner]: procedures = 147, calls = 289, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 606 [2023-11-19 03:40:53,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:53,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:40:53,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:40:53,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:40:53,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:53" (1/1) ... [2023-11-19 03:40:53,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:53" (1/1) ... [2023-11-19 03:40:53,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:53" (1/1) ... [2023-11-19 03:40:53,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:53" (1/1) ... [2023-11-19 03:40:53,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:53" (1/1) ... [2023-11-19 03:40:53,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:53" (1/1) ... [2023-11-19 03:40:53,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:53" (1/1) ... [2023-11-19 03:40:53,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:53" (1/1) ... [2023-11-19 03:40:53,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:40:53,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:40:53,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:40:53,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:40:53,842 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:53" (1/1) ... [2023-11-19 03:40:53,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:53,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:40:53,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:40:53,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:40:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:40:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:40:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:40:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:40:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:40:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:40:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:40:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-19 03:40:53,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-19 03:40:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:40:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-19 03:40:53,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-19 03:40:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-19 03:40:53,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-19 03:40:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:40:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-19 03:40:53,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-19 03:40:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:40:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-11-19 03:40:53,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-11-19 03:40:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:40:53,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:40:54,179 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:40:54,182 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:40:54,800 INFO L767 $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)); [2023-11-19 03:40:54,800 INFO L767 $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; [2023-11-19 03:41:05,408 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:41:05,571 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:41:05,571 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:41:05,577 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:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 03:41:05,585 INFO L158 Benchmark]: Toolchain (without parser) took 12884.80ms. Allocated memory is still 178.3MB. Free memory was 141.2MB in the beginning and 86.5MB in the end (delta: 54.7MB). Peak memory consumption was 96.6MB. Max. memory is 16.1GB. [2023-11-19 03:41:05,585 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:05,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 914.20ms. Allocated memory is still 178.3MB. Free memory was 140.3MB in the beginning and 126.2MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:41:05,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.40ms. Allocated memory is still 178.3MB. Free memory was 126.2MB in the beginning and 120.9MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:41:05,588 INFO L158 Benchmark]: Boogie Preprocessor took 84.51ms. Allocated memory is still 178.3MB. Free memory was 120.9MB in the beginning and 116.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:41:05,589 INFO L158 Benchmark]: RCFGBuilder took 11742.41ms. Allocated memory is still 178.3MB. Free memory was 116.7MB in the beginning and 86.5MB in the end (delta: 30.1MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2023-11-19 03:41:05,592 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 914.20ms. Allocated memory is still 178.3MB. Free memory was 140.3MB in the beginning and 126.2MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.40ms. Allocated memory is still 178.3MB. Free memory was 126.2MB in the beginning and 120.9MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.51ms. Allocated memory is still 178.3MB. Free memory was 120.9MB in the beginning and 116.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11742.41ms. Allocated memory is still 178.3MB. Free memory was 116.7MB in the beginning and 86.5MB in the end (delta: 30.1MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc __VERIFIER_atomic_take_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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:41:05,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:41:08,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:41:08,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:41:08,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:41:08,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:41:08,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:41:08,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:41:08,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:41:08,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:41:08,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:41:08,628 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:41:08,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:41:08,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:41:08,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:41:08,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:41:08,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:41:08,632 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:41:08,632 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:41:08,633 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:41:08,634 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:41:08,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:41:08,635 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:41:08,635 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:41:08,636 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:41:08,636 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:41:08,637 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:08,637 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:41:08,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:41:08,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:08,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:41:08,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:41:08,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:41:08,640 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:41:08,641 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:08,641 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:41:08,641 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:41:08,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:41:08,642 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_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2023-11-19 03:41:09,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:41:09,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:41:09,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:41:09,053 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:41:09,054 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:41:09,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2023-11-19 03:41:12,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:41:12,723 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:41:12,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2023-11-19 03:41:12,763 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/data/2168d8378/70178353772648b5b7a21b7dcdd7a711/FLAG2af01e633 [2023-11-19 03:41:12,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/data/2168d8378/70178353772648b5b7a21b7dcdd7a711 [2023-11-19 03:41:12,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:41:12,786 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:41:12,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:12,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:41:12,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:41:12,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:12" (1/1) ... [2023-11-19 03:41:12,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ac4f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:12, skipping insertion in model container [2023-11-19 03:41:12,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:12" (1/1) ... [2023-11-19 03:41:12,886 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:41:13,431 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_439c93cf-3463-460d-8254-f2ed0f0170db/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2023-11-19 03:41:13,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:13,632 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:41:13,703 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_439c93cf-3463-460d-8254-f2ed0f0170db/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2023-11-19 03:41:13,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:13,908 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:41:13,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:13 WrapperNode [2023-11-19 03:41:13,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:13,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:13,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:41:13,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:41:13,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:13" (1/1) ... [2023-11-19 03:41:13,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:13" (1/1) ... [2023-11-19 03:41:14,047 INFO L138 Inliner]: procedures = 151, calls = 289, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 595 [2023-11-19 03:41:14,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:14,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:41:14,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:41:14,051 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:41:14,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:13" (1/1) ... [2023-11-19 03:41:14,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:13" (1/1) ... [2023-11-19 03:41:14,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:13" (1/1) ... [2023-11-19 03:41:14,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:13" (1/1) ... [2023-11-19 03:41:14,155 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:13" (1/1) ... [2023-11-19 03:41:14,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:13" (1/1) ... [2023-11-19 03:41:14,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:13" (1/1) ... [2023-11-19 03:41:14,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:13" (1/1) ... [2023-11-19 03:41:14,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:41:14,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:41:14,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:41:14,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:41:14,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:13" (1/1) ... [2023-11-19 03:41:14,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:14,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:41:14,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:41:14,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:41:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 03:41:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:41:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:41:14,320 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:41:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:41:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:41:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:41:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-19 03:41:14,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-19 03:41:14,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:41:14,323 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-19 03:41:14,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-19 03:41:14,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-19 03:41:14,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-19 03:41:14,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 03:41:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:41:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:41:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:41:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:41:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-19 03:41:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-19 03:41:14,328 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-11-19 03:41:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-11-19 03:41:14,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:41:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:41:14,585 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:41:14,591 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:41:15,304 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extend~32~8(~__CS_ret~0)); [2023-11-19 03:41:15,305 INFO L767 $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; [2023-11-19 03:41:28,801 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:41:29,060 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:41:29,060 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:41:29,066 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:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 03:41:29,072 INFO L158 Benchmark]: Toolchain (without parser) took 16284.94ms. Allocated memory was 71.3MB in the beginning and 134.2MB in the end (delta: 62.9MB). Free memory was 39.1MB in the beginning and 94.0MB in the end (delta: -54.9MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2023-11-19 03:41:29,072 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 71.3MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:29,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1121.95ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 38.9MB in the beginning and 65.6MB in the end (delta: -26.6MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2023-11-19 03:41:29,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.99ms. Allocated memory is still 109.1MB. Free memory was 65.6MB in the beginning and 61.0MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:41:29,075 INFO L158 Benchmark]: Boogie Preprocessor took 134.15ms. Allocated memory is still 109.1MB. Free memory was 60.7MB in the beginning and 82.6MB in the end (delta: -22.0MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-11-19 03:41:29,077 INFO L158 Benchmark]: RCFGBuilder took 14884.35ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 82.6MB in the beginning and 94.0MB in the end (delta: -11.4MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2023-11-19 03:41:29,081 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 71.3MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1121.95ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 38.9MB in the beginning and 65.6MB in the end (delta: -26.6MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.99ms. Allocated memory is still 109.1MB. Free memory was 65.6MB in the beginning and 61.0MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 134.15ms. Allocated memory is still 109.1MB. Free memory was 60.7MB in the beginning and 82.6MB in the end (delta: -22.0MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * RCFGBuilder took 14884.35ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 82.6MB in the beginning and 94.0MB in the end (delta: -11.4MB). Peak memory consumption was 47.6MB. 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:41:29,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_439c93cf-3463-460d-8254-f2ed0f0170db/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1;call __VERIFIER_atomic_take_read_lock_#t~mem25#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem25#1, ~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem25#1;call __VERIFIER_atomic_take_read_lock_#t~mem26#1 := read~intINTTYPE4(~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(~bvadd~32(1bv32, __VERIFIER_atomic_take_read_lock_#t~mem26#1), ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);havoc __VERIFIER_atomic_take_read_lock_#t~mem26#1;BeginParallelComposition{ParallelCodeBlock0: assume 0bv8 != ~__CS_ret~0;call __VERIFIER_atomic_take_read_lock_#t~mem27#1 := read~intINTTYPE4(~#__CS_u~0.base, ~bvadd~32(~#__CS_u~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);call write~intINTTYPE4(__VERIFIER_atomic_take_read_lock_#t~mem27#1, ~#r~0.base, ~bvadd~32(~#r~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);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?