./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 9bd2c7ff
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_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/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_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu --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 0.2.3-dev-9bd2c7f
[2023-11-19 07:39:36,967 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:39:37,113 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:39:37,120 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:39:37,121 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:39:37,176 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:39:37,178 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:39:37,179 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:39:37,180 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:39:37,185 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:39:37,186 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:39:37,187 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:39:37,187 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:39:37,189 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:39:37,190 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:39:37,192 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 07:39:37,192 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 07:39:37,192 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 07:39:37,193 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:39:37,193 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:39:37,193 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:39:37,196 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:39:37,196 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 07:39:37,197 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:39:37,197 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:39:37,198 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:39:37,199 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:39:37,199 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-19 07:39:37,200 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:39:37,200 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:39:37,202 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:39:37,202 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:39:37,202 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 07:39:37,203 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:39:37,203 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:39:37,204 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:39:37,204 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:39:37,205 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:39:37,205 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:39:37,205 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_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/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_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu
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
[2023-11-19 07:39:37,551 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:39:37,585 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:39:37,588 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:39:37,590 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:39:37,590 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:39:37,592 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i
[2023-11-19 07:39:40,737 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:39:41,070 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:39:41,071 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i
[2023-11-19 07:39:41,091 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/data/59f1dab2a/0954d55e813e4b64ad603da7380bd140/FLAGa0a0740b9
[2023-11-19 07:39:41,107 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/data/59f1dab2a/0954d55e813e4b64ad603da7380bd140
[2023-11-19 07:39:41,110 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:39:41,112 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:39:41,113 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:39:41,114 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:39:41,124 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:39:41,124 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:41" (1/1) ...
[2023-11-19 07:39:41,125 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df89b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41, skipping insertion in model container
[2023-11-19 07:39:41,125 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:41" (1/1) ...
[2023-11-19 07:39:41,176 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:39:41,534 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_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482]
[2023-11-19 07:39:41,641 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:39:41,659 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:39:41,690 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_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482]
[2023-11-19 07:39:41,777 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:39:41,833 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:39:41,833 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41 WrapperNode
[2023-11-19 07:39:41,834 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:39:41,836 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:39:41,836 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:39:41,836 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:39:41,845 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ...
[2023-11-19 07:39:41,878 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ...
[2023-11-19 07:39:41,941 INFO  L138                Inliner]: procedures = 145, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 557
[2023-11-19 07:39:41,942 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:39:41,943 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:39:41,944 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:39:41,944 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:39:41,955 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ...
[2023-11-19 07:39:41,955 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ...
[2023-11-19 07:39:41,965 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ...
[2023-11-19 07:39:41,966 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ...
[2023-11-19 07:39:41,996 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ...
[2023-11-19 07:39:42,000 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ...
[2023-11-19 07:39:42,013 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ...
[2023-11-19 07:39:42,018 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ...
[2023-11-19 07:39:42,027 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:39:42,029 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:39:42,030 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:39:42,030 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:39:42,031 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ...
[2023-11-19 07:39:42,037 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:39:42,054 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:39:42,159 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:39:42,192 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:39:42,218 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:39:42,219 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:39:42,219 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 07:39:42,219 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 07:39:42,219 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:39:42,220 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:39:42,220 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-19 07:39:42,220 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_create
[2023-11-19 07:39:42,220 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_create
[2023-11-19 07:39:42,221 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-19 07:39:42,221 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_join
[2023-11-19 07:39:42,221 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_join
[2023-11-19 07:39:42,221 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$
[2023-11-19 07:39:42,221 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$
[2023-11-19 07:39:42,222 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:39:42,222 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_cs
[2023-11-19 07:39:42,222 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_cs
[2023-11-19 07:39:42,222 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:39:42,222 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_assume
[2023-11-19 07:39:42,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_assume
[2023-11-19 07:39:42,223 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:39:42,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:39:42,459 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:39:42,462 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:39:42,933 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 07:39:42,936 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 07:39:45,116 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:39:45,162 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:39:45,162 INFO  L302             CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 07:39:45,166 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(~#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:348)
	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 07:39:45,172 INFO  L158              Benchmark]: Toolchain (without parser) took 4059.20ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 123.1MB in the beginning and 111.1MB in the end (delta: 12.0MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB.
[2023-11-19 07:39:45,173 INFO  L158              Benchmark]: CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:39:45,174 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 721.00ms. Allocated memory is still 155.2MB. Free memory was 123.1MB in the beginning and 96.7MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
[2023-11-19 07:39:45,175 INFO  L158              Benchmark]: Boogie Procedure Inliner took 106.46ms. Allocated memory is still 155.2MB. Free memory was 96.7MB in the beginning and 91.1MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:39:45,176 INFO  L158              Benchmark]: Boogie Preprocessor took 86.12ms. Allocated memory is still 155.2MB. Free memory was 91.1MB in the beginning and 86.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:39:45,177 INFO  L158              Benchmark]: RCFGBuilder took 3140.60ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 86.9MB in the beginning and 111.1MB in the end (delta: -24.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
[2023-11-19 07:39:45,181 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 721.00ms. Allocated memory is still 155.2MB. Free memory was 123.1MB in the beginning and 96.7MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 106.46ms. Allocated memory is still 155.2MB. Free memory was 96.7MB in the beginning and 91.1MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 86.12ms. Allocated memory is still 155.2MB. Free memory was 91.1MB in the beginning and 86.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * RCFGBuilder took 3140.60ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 86.9MB in the beginning and 111.1MB in the end (delta: -24.1MB). Peak memory consumption was 39.8MB. 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(~#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(~#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:348)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2023-11-19 07:39:45,228 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/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_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu --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 0.2.3-dev-9bd2c7f
[2023-11-19 07:39:47,892 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:39:47,988 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-11-19 07:39:47,994 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:39:47,995 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:39:48,038 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:39:48,039 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:39:48,039 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:39:48,040 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:39:48,041 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:39:48,042 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:39:48,042 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:39:48,043 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:39:48,051 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:39:48,052 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:39:48,053 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 07:39:48,055 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 07:39:48,056 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:39:48,057 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:39:48,058 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:39:48,062 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:39:48,063 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:39:48,063 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-11-19 07:39:48,064 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 07:39:48,064 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 07:39:48,065 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:39:48,065 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:39:48,066 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:39:48,066 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:39:48,066 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-19 07:39:48,068 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:39:48,068 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:39:48,069 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:39:48,069 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:39:48,070 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-11-19 07:39:48,070 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 07:39:48,070 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:39:48,070 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:39:48,071 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:39:48,072 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:39:48,072 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-11-19 07:39:48,073 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:39:48,073 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_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/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_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu
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
[2023-11-19 07:39:48,534 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:39:48,566 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:39:48,569 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:39:48,570 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:39:48,571 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:39:48,573 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i
[2023-11-19 07:39:51,724 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:39:52,111 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:39:52,112 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i
[2023-11-19 07:39:52,134 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/data/ec498086c/53be479502dd4935a7fdf7da1b734a79/FLAGba0f30557
[2023-11-19 07:39:52,160 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/data/ec498086c/53be479502dd4935a7fdf7da1b734a79
[2023-11-19 07:39:52,167 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:39:52,169 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:39:52,176 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:39:52,176 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:39:52,182 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:39:52,185 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:52" (1/1) ...
[2023-11-19 07:39:52,186 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3213b496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:52, skipping insertion in model container
[2023-11-19 07:39:52,186 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:52" (1/1) ...
[2023-11-19 07:39:52,257 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:39:52,741 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_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482]
[2023-11-19 07:39:52,931 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:39:52,961 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:39:53,017 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_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482]
[2023-11-19 07:39:53,112 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:39:53,174 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:39:53,175 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53 WrapperNode
[2023-11-19 07:39:53,175 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:39:53,177 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:39:53,177 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:39:53,178 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:39:53,186 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ...
[2023-11-19 07:39:53,246 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ...
[2023-11-19 07:39:53,308 INFO  L138                Inliner]: procedures = 149, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 550
[2023-11-19 07:39:53,316 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:39:53,318 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:39:53,318 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:39:53,318 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:39:53,328 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ...
[2023-11-19 07:39:53,328 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ...
[2023-11-19 07:39:53,354 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ...
[2023-11-19 07:39:53,367 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ...
[2023-11-19 07:39:53,411 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ...
[2023-11-19 07:39:53,430 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ...
[2023-11-19 07:39:53,442 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ...
[2023-11-19 07:39:53,446 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ...
[2023-11-19 07:39:53,459 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:39:53,469 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:39:53,470 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:39:53,470 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:39:53,471 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ...
[2023-11-19 07:39:53,481 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:39:53,493 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:39:53,505 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:39:53,533 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:39:53,549 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE1
[2023-11-19 07:39:53,550 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2023-11-19 07:39:53,550 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 07:39:53,551 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 07:39:53,552 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:39:53,552 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:39:53,552 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-19 07:39:53,552 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_create
[2023-11-19 07:39:53,552 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_create
[2023-11-19 07:39:53,552 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-19 07:39:53,553 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_join
[2023-11-19 07:39:53,553 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_join
[2023-11-19 07:39:53,553 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$
[2023-11-19 07:39:53,553 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$
[2023-11-19 07:39:53,553 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE1
[2023-11-19 07:39:53,553 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:39:53,553 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2023-11-19 07:39:53,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-19 07:39:53,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4
[2023-11-19 07:39:53,554 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_cs
[2023-11-19 07:39:53,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_cs
[2023-11-19 07:39:53,554 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_assume
[2023-11-19 07:39:53,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_assume
[2023-11-19 07:39:53,554 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:39:53,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:39:53,749 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:39:53,752 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:39:54,360 INFO  L767   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extend~32~8(~__CS_ret~0));
[2023-11-19 07:39:54,360 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 07:39:57,915 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:39:57,966 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:39:57,967 INFO  L302             CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 07:39:57,971 FATAL L?                        ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception:
java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~intINTTYPE4(~#w~0.base, ~bvadd~32(~#w~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348)
	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 07:39:57,976 INFO  L158              Benchmark]: Toolchain (without parser) took 5806.04ms. Allocated memory is still 104.9MB. Free memory was 79.1MB in the beginning and 43.0MB in the end (delta: 36.1MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB.
[2023-11-19 07:39:57,977 INFO  L158              Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:39:57,978 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 999.79ms. Allocated memory is still 104.9MB. Free memory was 79.1MB in the beginning and 50.5MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
[2023-11-19 07:39:57,980 INFO  L158              Benchmark]: Boogie Procedure Inliner took 140.68ms. Allocated memory is still 104.9MB. Free memory was 50.5MB in the beginning and 78.9MB in the end (delta: -28.3MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB.
[2023-11-19 07:39:57,980 INFO  L158              Benchmark]: Boogie Preprocessor took 150.76ms. Allocated memory is still 104.9MB. Free memory was 78.9MB in the beginning and 73.8MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 07:39:57,981 INFO  L158              Benchmark]: RCFGBuilder took 4505.13ms. Allocated memory is still 104.9MB. Free memory was 73.8MB in the beginning and 43.0MB in the end (delta: 30.8MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB.
[2023-11-19 07:39:57,994 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 999.79ms. Allocated memory is still 104.9MB. Free memory was 79.1MB in the beginning and 50.5MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 140.68ms. Allocated memory is still 104.9MB. Free memory was 50.5MB in the beginning and 78.9MB in the end (delta: -28.3MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 150.76ms. Allocated memory is still 104.9MB. Free memory was 78.9MB in the beginning and 73.8MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * RCFGBuilder took 4505.13ms. Allocated memory is still 104.9MB. Free memory was 73.8MB in the beginning and 43.0MB in the end (delta: 30.8MB). Peak memory consumption was 53.1MB. 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~intINTTYPE4(~#w~0.base, ~bvadd~32(~#w~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?
    de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~intINTTYPE4(~#w~0.base, ~bvadd~32(~#w~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2023-11-19 07:39:58,058 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~intINTTYPE4(~#w~0.base, ~bvadd~32(~#w~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?