./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:02:59,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:02:59,812 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 12:02:59,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:02:59,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:02:59,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:02:59,855 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:02:59,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:02:59,857 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:02:59,858 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:02:59,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:02:59,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:02:59,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:02:59,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:02:59,862 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:02:59,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:02:59,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:02:59,864 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:02:59,865 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:02:59,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:02:59,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:02:59,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:02:59,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:02:59,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:02:59,877 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:02:59,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:02:59,878 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:02:59,878 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:02:59,879 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:02:59,879 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:02:59,880 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:02:59,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:02:59,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:02:59,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:02:59,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:02:59,883 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:02:59,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:02:59,885 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:02:59,886 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:02:59,886 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:02:59,886 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:02:59,887 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:02:59,887 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2023-11-26 12:03:00,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:03:00,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:03:00,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:03:00,345 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:03:00,347 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:03:00,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2023-11-26 12:03:04,375 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:03:04,827 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:03:04,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2023-11-26 12:03:04,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/data/38f9dc275/8eb6f278a67941a7b77cde3db778a360/FLAGcc11c3ff1 [2023-11-26 12:03:04,870 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/data/38f9dc275/8eb6f278a67941a7b77cde3db778a360 [2023-11-26 12:03:04,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:03:04,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:03:04,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:04,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:03:04,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:03:04,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:04" (1/1) ... [2023-11-26 12:03:04,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59480690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:04, skipping insertion in model container [2023-11-26 12:03:04,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:04" (1/1) ... [2023-11-26 12:03:04,987 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:03:05,358 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_e26b4c2e-02bc-4457-8e43-634f2edac86c/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2023-11-26 12:03:05,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:05,507 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:03:05,548 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_e26b4c2e-02bc-4457-8e43-634f2edac86c/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2023-11-26 12:03:05,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:05,681 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:03:05,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:05 WrapperNode [2023-11-26 12:03:05,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:05,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:05,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:03:05,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:03:05,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:05" (1/1) ... [2023-11-26 12:03:05,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:05" (1/1) ... [2023-11-26 12:03:05,824 INFO L138 Inliner]: procedures = 145, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 557 [2023-11-26 12:03:05,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:05,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:03:05,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:03:05,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:03:05,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:05" (1/1) ... [2023-11-26 12:03:05,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:05" (1/1) ... [2023-11-26 12:03:05,876 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:05" (1/1) ... [2023-11-26 12:03:05,935 INFO L175 MemorySlicer]: Split 136 memory accesses to 18 slices as follows [2, 2, 12, 12, 21, 11, 8, 13, 7, 8, 10, 8, 10, 2, 2, 0, 6, 2]. 15 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 0, 5, 5, 0, 0, 2, 2, 2, 2, 0, 2, 0, 0, 0, 0, 0, 0]. The 41 writes are split as follows [0, 0, 2, 2, 13, 6, 3, 5, 2, 3, 0, 3, 0, 0, 0, 0, 2, 0]. [2023-11-26 12:03:05,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:05" (1/1) ... [2023-11-26 12:03:05,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:05" (1/1) ... [2023-11-26 12:03:05,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:05" (1/1) ... [2023-11-26 12:03:05,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:05" (1/1) ... [2023-11-26 12:03:05,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:05" (1/1) ... [2023-11-26 12:03:06,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:05" (1/1) ... [2023-11-26 12:03:06,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:03:06,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:03:06,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:03:06,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:03:06,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:05" (1/1) ... [2023-11-26 12:03:06,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:03:06,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:06,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:06,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:03:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 12:03:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 12:03:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 12:03:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 12:03:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 12:03:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 12:03:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 12:03:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 12:03:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 12:03:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 12:03:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 12:03:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 12:03:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 12:03:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 12:03:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 12:03:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 12:03:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 12:03:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 12:03:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:03:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:03:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 12:03:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 12:03:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 12:03:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 12:03:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 12:03:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 12:03:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 12:03:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 12:03:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 12:03:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 12:03:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 12:03:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 12:03:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 12:03:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 12:03:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 12:03:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 12:03:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 12:03:06,153 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 12:03:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:03:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:03:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 12:03:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 12:03:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 12:03:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 12:03:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 12:03:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 12:03:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 12:03:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 12:03:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 12:03:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 12:03:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 12:03:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 12:03:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 12:03:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 12:03:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-26 12:03:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-26 12:03:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-26 12:03:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-26 12:03:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-26 12:03:06,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-26 12:03:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 12:03:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 12:03:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 12:03:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 12:03:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 12:03:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 12:03:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 12:03:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 12:03:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 12:03:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 12:03:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 12:03:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 12:03:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 12:03:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 12:03:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-26 12:03:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-26 12:03:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-26 12:03:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-26 12:03:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-26 12:03:06,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-26 12:03:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-26 12:03:06,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-26 12:03:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:03:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-26 12:03:06,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-26 12:03:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:03:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:03:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 12:03:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 12:03:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 12:03:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 12:03:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 12:03:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 12:03:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 12:03:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 12:03:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 12:03:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 12:03:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 12:03:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 12:03:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 12:03:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 12:03:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 12:03:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 12:03:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-11-26 12:03:06,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-11-26 12:03:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:03:06,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:03:06,704 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:03:06,707 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:03:07,383 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)); [2023-11-26 12:03:07,384 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; [2023-11-26 12:03:09,087 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:03:09,184 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~int#6(~#w~0.base, ~#w~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);). 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:356) 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) [2023-11-26 12:03:09,191 INFO L158 Benchmark]: Toolchain (without parser) took 4313.93ms. Allocated memory is still 201.3MB. Free memory was 152.6MB in the beginning and 108.7MB in the end (delta: 43.9MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2023-11-26 12:03:09,191 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 201.3MB. Free memory is still 175.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:03:09,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 804.99ms. Allocated memory is still 201.3MB. Free memory was 152.6MB in the beginning and 125.8MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-26 12:03:09,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.40ms. Allocated memory is still 201.3MB. Free memory was 125.8MB in the beginning and 120.4MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:03:09,195 INFO L158 Benchmark]: Boogie Preprocessor took 194.18ms. Allocated memory is still 201.3MB. Free memory was 120.4MB in the beginning and 112.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 12:03:09,196 INFO L158 Benchmark]: RCFGBuilder took 3167.92ms. Allocated memory is still 201.3MB. Free memory was 112.5MB in the beginning and 108.7MB in the end (delta: 3.8MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-26 12:03:09,207 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 201.3MB. Free memory is still 175.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 804.99ms. Allocated memory is still 201.3MB. Free memory was 152.6MB in the beginning and 125.8MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.40ms. Allocated memory is still 201.3MB. Free memory was 125.8MB in the beginning and 120.4MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 194.18ms. Allocated memory is still 201.3MB. Free memory was 120.4MB in the beginning and 112.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3167.92ms. Allocated memory is still 201.3MB. Free memory was 112.5MB in the beginning and 108.7MB in the end (delta: 3.8MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~int#6(~#w~0.base, ~#w~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~int#6(~#w~0.base, ~#w~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);). 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:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-26 12:03:09,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:03:12,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:03:12,416 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 12:03:12,430 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:03:12,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:03:12,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:03:12,458 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:03:12,459 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:03:12,460 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:03:12,460 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:03:12,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:03:12,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:03:12,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:03:12,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:03:12,463 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:03:12,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:03:12,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:03:12,465 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:03:12,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:03:12,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:03:12,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:03:12,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:03:12,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:03:12,468 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 12:03:12,469 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 12:03:12,469 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 12:03:12,470 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:03:12,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:03:12,470 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:03:12,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:03:12,471 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:03:12,472 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:03:12,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:03:12,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:03:12,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:03:12,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:03:12,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:03:12,475 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 12:03:12,475 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 12:03:12,476 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:03:12,476 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:03:12,477 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:03:12,477 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:03:12,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:03:12,478 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 12:03:12,479 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2023-11-26 12:03:12,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:03:12,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:03:12,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:03:12,862 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:03:12,862 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:03:12,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2023-11-26 12:03:16,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:03:16,733 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:03:16,734 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2023-11-26 12:03:16,764 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/data/a7864d8f1/a18f0673b5434364adf3c5e6fbb67beb/FLAG1d52db331 [2023-11-26 12:03:16,783 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/data/a7864d8f1/a18f0673b5434364adf3c5e6fbb67beb [2023-11-26 12:03:16,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:03:16,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:03:16,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:16,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:03:16,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:03:16,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:16" (1/1) ... [2023-11-26 12:03:16,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18bf3931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:16, skipping insertion in model container [2023-11-26 12:03:16,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:16" (1/1) ... [2023-11-26 12:03:16,898 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:03:17,438 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_e26b4c2e-02bc-4457-8e43-634f2edac86c/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2023-11-26 12:03:17,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:17,702 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:03:17,739 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_e26b4c2e-02bc-4457-8e43-634f2edac86c/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2023-11-26 12:03:17,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:17,873 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:03:17,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:17 WrapperNode [2023-11-26 12:03:17,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:17,876 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:17,876 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:03:17,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:03:17,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:17" (1/1) ... [2023-11-26 12:03:17,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:17" (1/1) ... [2023-11-26 12:03:18,022 INFO L138 Inliner]: procedures = 149, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 550 [2023-11-26 12:03:18,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:18,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:03:18,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:03:18,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:03:18,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:17" (1/1) ... [2023-11-26 12:03:18,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:17" (1/1) ... [2023-11-26 12:03:18,049 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:17" (1/1) ... [2023-11-26 12:03:18,125 INFO L175 MemorySlicer]: Split 136 memory accesses to 18 slices as follows [2, 12, 12, 21, 11, 8, 13, 7, 0, 8, 6, 8, 2, 10, 2, 10, 2, 2]. 15 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 5, 5, 0, 0, 2, 2, 2, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0]. The 41 writes are split as follows [0, 2, 2, 13, 6, 3, 5, 2, 0, 3, 2, 3, 0, 0, 0, 0, 0, 0]. [2023-11-26 12:03:18,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:17" (1/1) ... [2023-11-26 12:03:18,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:17" (1/1) ... [2023-11-26 12:03:18,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:17" (1/1) ... [2023-11-26 12:03:18,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:17" (1/1) ... [2023-11-26 12:03:18,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:17" (1/1) ... [2023-11-26 12:03:18,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:17" (1/1) ... [2023-11-26 12:03:18,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:03:18,284 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:03:18,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:03:18,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:03:18,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:17" (1/1) ... [2023-11-26 12:03:18,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:03:18,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:18,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:18,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:03:18,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-26 12:03:18,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-26 12:03:18,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-26 12:03:18,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-26 12:03:18,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-26 12:03:18,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-26 12:03:18,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-11-26 12:03:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-11-26 12:03:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2023-11-26 12:03:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2023-11-26 12:03:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2023-11-26 12:03:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2023-11-26 12:03:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2023-11-26 12:03:18,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2023-11-26 12:03:18,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2023-11-26 12:03:18,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2023-11-26 12:03:18,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#16 [2023-11-26 12:03:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#17 [2023-11-26 12:03:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-26 12:03:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-26 12:03:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-26 12:03:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-26 12:03:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-26 12:03:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-26 12:03:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-26 12:03:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-26 12:03:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-11-26 12:03:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-11-26 12:03:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-11-26 12:03:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-11-26 12:03:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2023-11-26 12:03:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2023-11-26 12:03:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2023-11-26 12:03:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2023-11-26 12:03:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2023-11-26 12:03:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17 [2023-11-26 12:03:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 12:03:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 12:03:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:03:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:03:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 12:03:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 12:03:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 12:03:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 12:03:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 12:03:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 12:03:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 12:03:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 12:03:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 12:03:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 12:03:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 12:03:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 12:03:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 12:03:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 12:03:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-26 12:03:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-26 12:03:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-26 12:03:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-26 12:03:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-26 12:03:18,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-26 12:03:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 12:03:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 12:03:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 12:03:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 12:03:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 12:03:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 12:03:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 12:03:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 12:03:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 12:03:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 12:03:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 12:03:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 12:03:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 12:03:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 12:03:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-26 12:03:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-26 12:03:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-26 12:03:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-26 12:03:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-26 12:03:18,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-26 12:03:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-26 12:03:18,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-26 12:03:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-26 12:03:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-26 12:03:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-26 12:03:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-26 12:03:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-26 12:03:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-26 12:03:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-11-26 12:03:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-11-26 12:03:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2023-11-26 12:03:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2023-11-26 12:03:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2023-11-26 12:03:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2023-11-26 12:03:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2023-11-26 12:03:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2023-11-26 12:03:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2023-11-26 12:03:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2023-11-26 12:03:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#16 [2023-11-26 12:03:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#17 [2023-11-26 12:03:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:03:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-26 12:03:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-26 12:03:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-26 12:03:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-26 12:03:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-26 12:03:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-26 12:03:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-26 12:03:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-26 12:03:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-11-26 12:03:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-11-26 12:03:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-11-26 12:03:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-11-26 12:03:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2023-11-26 12:03:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2023-11-26 12:03:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2023-11-26 12:03:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2023-11-26 12:03:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2023-11-26 12:03:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17 [2023-11-26 12:03:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 12:03:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-26 12:03:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-26 12:03:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-26 12:03:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-26 12:03:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-26 12:03:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-26 12:03:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-26 12:03:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-11-26 12:03:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-11-26 12:03:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-11-26 12:03:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-11-26 12:03:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2023-11-26 12:03:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2023-11-26 12:03:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2023-11-26 12:03:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2023-11-26 12:03:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2023-11-26 12:03:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2023-11-26 12:03:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-26 12:03:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-26 12:03:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-11-26 12:03:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-11-26 12:03:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-11-26 12:03:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-11-26 12:03:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2023-11-26 12:03:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2023-11-26 12:03:18,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2023-11-26 12:03:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2023-11-26 12:03:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2023-11-26 12:03:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2023-11-26 12:03:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2023-11-26 12:03:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2023-11-26 12:03:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2023-11-26 12:03:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2023-11-26 12:03:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#16 [2023-11-26 12:03:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#17 [2023-11-26 12:03:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-26 12:03:18,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-26 12:03:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-11-26 12:03:18,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-11-26 12:03:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:03:18,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:03:18,926 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:03:18,929 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:03:20,711 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extend~32~8(~__CS_ret~0)); [2023-11-26 12:03:20,711 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; [2023-11-26 12:03:25,392 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:03:25,521 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~intINTTYPE4#5(~#w~0.base, ~bvadd~32(~#w~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) 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) [2023-11-26 12:03:25,528 INFO L158 Benchmark]: Toolchain (without parser) took 8738.81ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 45.3MB in the beginning and 47.2MB in the end (delta: -1.9MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2023-11-26 12:03:25,529 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 51.0MB in the end (delta: 77.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:03:25,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1085.16ms. Allocated memory is still 75.5MB. Free memory was 45.0MB in the beginning and 37.8MB in the end (delta: 7.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-11-26 12:03:25,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.04ms. Allocated memory is still 75.5MB. Free memory was 37.8MB in the beginning and 33.2MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 12:03:25,532 INFO L158 Benchmark]: Boogie Preprocessor took 259.49ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 33.2MB in the beginning and 71.8MB in the end (delta: -38.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2023-11-26 12:03:25,535 INFO L158 Benchmark]: RCFGBuilder took 7241.92ms. Allocated memory is still 102.8MB. Free memory was 71.8MB in the beginning and 47.2MB in the end (delta: 24.5MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2023-11-26 12:03:25,543 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 51.0MB in the end (delta: 77.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1085.16ms. Allocated memory is still 75.5MB. Free memory was 45.0MB in the beginning and 37.8MB in the end (delta: 7.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.04ms. Allocated memory is still 75.5MB. Free memory was 37.8MB in the beginning and 33.2MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 259.49ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 33.2MB in the beginning and 71.8MB in the end (delta: -38.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7241.92ms. Allocated memory is still 102.8MB. Free memory was 71.8MB in the beginning and 47.2MB in the end (delta: 24.5MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~intINTTYPE4#5(~#w~0.base, ~bvadd~32(~#w~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~intINTTYPE4#5(~#w~0.base, ~bvadd~32(~#w~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-26 12:03:25,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e26b4c2e-02bc-4457-8e43-634f2edac86c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~intINTTYPE4#5(~#w~0.base, ~bvadd~32(~#w~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?