./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d41815-ea1e-4b9b-b736-eec84969f65d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d41815-ea1e-4b9b-b736-eec84969f65d/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_c4d41815-ea1e-4b9b-b736-eec84969f65d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d41815-ea1e-4b9b-b736-eec84969f65d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d41815-ea1e-4b9b-b736-eec84969f65d/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_c4d41815-ea1e-4b9b-b736-eec84969f65d/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 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:54:13,135 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:54:13,208 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d41815-ea1e-4b9b-b736-eec84969f65d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:54:13,213 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:54:13,214 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:54:13,241 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:54:13,242 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:54:13,243 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:54:13,244 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:54:13,245 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:54:13,246 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:54:13,246 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:54:13,247 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:54:13,248 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:54:13,249 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:54:13,249 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 07:54:13,250 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 07:54:13,250 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 07:54:13,251 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:54:13,252 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:54:13,252 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:54:13,253 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:54:13,254 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 07:54:13,254 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:54:13,255 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:54:13,255 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:54:13,256 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:54:13,256 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-19 07:54:13,257 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:54:13,257 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:54:13,258 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:54:13,258 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:54:13,259 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 07:54:13,259 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:54:13,259 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:54:13,260 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:54:13,260 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:54:13,260 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:54:13,261 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:54:13,261 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_c4d41815-ea1e-4b9b-b736-eec84969f65d/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_c4d41815-ea1e-4b9b-b736-eec84969f65d/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 -> 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2
[2023-11-19 07:54:13,611 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:54:13,645 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:54:13,648 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:54:13,650 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:54:13,651 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:54:13,652 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d41815-ea1e-4b9b-b736-eec84969f65d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i
[2023-11-19 07:54:17,010 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:54:17,529 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:54:17,530 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d41815-ea1e-4b9b-b736-eec84969f65d/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i
[2023-11-19 07:54:17,573 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d41815-ea1e-4b9b-b736-eec84969f65d/bin/uautomizer-verify-uCwYo4JHxu/data/f2a764557/060a28405c97442abf1aec7fec6b9e8a/FLAG8f0b3f016
[2023-11-19 07:54:17,593 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d41815-ea1e-4b9b-b736-eec84969f65d/bin/uautomizer-verify-uCwYo4JHxu/data/f2a764557/060a28405c97442abf1aec7fec6b9e8a
[2023-11-19 07:54:17,600 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:54:17,603 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:54:17,608 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:54:17,608 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:54:17,614 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:54:17,615 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:17" (1/1) ...
[2023-11-19 07:54:17,617 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f612060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:17, skipping insertion in model container
[2023-11-19 07:54:17,617 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:17" (1/1) ...
[2023-11-19 07:54:17,754 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:54:17,963 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_c4d41815-ea1e-4b9b-b736-eec84969f65d/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485]
[2023-11-19 07:54:19,233 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:54:19,292 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:54:19,305 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_c4d41815-ea1e-4b9b-b736-eec84969f65d/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485]
[2023-11-19 07:54:19,582 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:54:19,777 WARN  L675               CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:54:19,785 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:54:19,786 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:19 WrapperNode
[2023-11-19 07:54:19,786 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:54:19,787 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:54:19,787 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:54:19,787 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:54:19,795 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:19" (1/1) ...
[2023-11-19 07:54:19,900 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:19" (1/1) ...
[2023-11-19 07:54:20,050 INFO  L138                Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1080
[2023-11-19 07:54:20,053 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:54:20,054 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:54:20,054 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:54:20,055 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:54:20,065 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:19" (1/1) ...
[2023-11-19 07:54:20,066 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:19" (1/1) ...
[2023-11-19 07:54:20,088 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:19" (1/1) ...
[2023-11-19 07:54:20,089 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:19" (1/1) ...
[2023-11-19 07:54:20,163 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:19" (1/1) ...
[2023-11-19 07:54:20,177 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:19" (1/1) ...
[2023-11-19 07:54:20,200 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:19" (1/1) ...
[2023-11-19 07:54:20,219 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:19" (1/1) ...
[2023-11-19 07:54:20,235 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:54:20,241 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:54:20,241 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:54:20,241 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:54:20,242 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:19" (1/1) ...
[2023-11-19 07:54:20,249 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:54:20,264 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d41815-ea1e-4b9b-b736-eec84969f65d/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:54:20,284 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d41815-ea1e-4b9b-b736-eec84969f65d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:54:20,315 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d41815-ea1e-4b9b-b736-eec84969f65d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:54:20,340 INFO  L130     BoogieDeclarations]: Found specification of procedure zf_timer_off
[2023-11-19 07:54:20,340 INFO  L138     BoogieDeclarations]: Found implementation of procedure zf_timer_off
[2023-11-19 07:54:20,340 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-19 07:54:20,341 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin
[2023-11-19 07:54:20,341 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore
[2023-11-19 07:54:20,341 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore
[2023-11-19 07:54:20,341 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:54:20,341 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_unlock
[2023-11-19 07:54:20,342 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_unlock
[2023-11-19 07:54:20,342 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-19 07:54:20,342 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end
[2023-11-19 07:54:20,344 INFO  L130     BoogieDeclarations]: Found specification of procedure zf_get_control
[2023-11-19 07:54:20,344 INFO  L138     BoogieDeclarations]: Found implementation of procedure zf_get_control
[2023-11-19 07:54:20,344 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2023-11-19 07:54:20,344 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:54:20,345 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-19 07:54:20,345 INFO  L130     BoogieDeclarations]: Found specification of procedure request_region
[2023-11-19 07:54:20,345 INFO  L138     BoogieDeclarations]: Found implementation of procedure request_region
[2023-11-19 07:54:20,345 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:54:20,345 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-19 07:54:20,346 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID
[2023-11-19 07:54:20,346 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID
[2023-11-19 07:54:20,347 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_lock_irqsave
[2023-11-19 07:54:20,347 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave
[2023-11-19 07:54:20,347 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID
[2023-11-19 07:54:20,348 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID
[2023-11-19 07:54:20,348 INFO  L130     BoogieDeclarations]: Found specification of procedure release_region
[2023-11-19 07:54:20,348 INFO  L138     BoogieDeclarations]: Found implementation of procedure release_region
[2023-11-19 07:54:20,348 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:54:20,350 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:54:20,350 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_lock_init
[2023-11-19 07:54:20,350 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_lock_init
[2023-11-19 07:54:20,351 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2023-11-19 07:54:20,351 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 07:54:20,352 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 07:54:20,352 INFO  L130     BoogieDeclarations]: Found specification of procedure del_timer
[2023-11-19 07:54:20,352 INFO  L138     BoogieDeclarations]: Found implementation of procedure del_timer
[2023-11-19 07:54:20,352 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:54:20,352 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-19 07:54:20,353 INFO  L130     BoogieDeclarations]: Found specification of procedure add_timer
[2023-11-19 07:54:20,354 INFO  L138     BoogieDeclarations]: Found implementation of procedure add_timer
[2023-11-19 07:54:20,354 INFO  L130     BoogieDeclarations]: Found specification of procedure cdev_add
[2023-11-19 07:54:20,354 INFO  L138     BoogieDeclarations]: Found implementation of procedure cdev_add
[2023-11-19 07:54:20,354 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int
[2023-11-19 07:54:20,354 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int
[2023-11-19 07:54:20,355 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2023-11-19 07:54:20,355 INFO  L130     BoogieDeclarations]: Found specification of procedure printk
[2023-11-19 07:54:20,355 INFO  L138     BoogieDeclarations]: Found implementation of procedure printk
[2023-11-19 07:54:20,355 INFO  L130     BoogieDeclarations]: Found specification of procedure outw
[2023-11-19 07:54:20,355 INFO  L138     BoogieDeclarations]: Found implementation of procedure outw
[2023-11-19 07:54:20,356 INFO  L130     BoogieDeclarations]: Found specification of procedure outb
[2023-11-19 07:54:20,356 INFO  L138     BoogieDeclarations]: Found implementation of procedure outb
[2023-11-19 07:54:20,356 INFO  L130     BoogieDeclarations]: Found specification of procedure misc_deregister
[2023-11-19 07:54:20,356 INFO  L138     BoogieDeclarations]: Found implementation of procedure misc_deregister
[2023-11-19 07:54:20,356 INFO  L130     BoogieDeclarations]: Found specification of procedure assert_context_process
[2023-11-19 07:54:20,356 INFO  L138     BoogieDeclarations]: Found implementation of procedure assert_context_process
[2023-11-19 07:54:20,357 INFO  L130     BoogieDeclarations]: Found specification of procedure zf_set_control
[2023-11-19 07:54:20,357 INFO  L138     BoogieDeclarations]: Found implementation of procedure zf_set_control
[2023-11-19 07:54:20,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:54:20,358 INFO  L130     BoogieDeclarations]: Found specification of procedure zf_readw
[2023-11-19 07:54:20,358 INFO  L138     BoogieDeclarations]: Found implementation of procedure zf_readw
[2023-11-19 07:54:20,358 INFO  L130     BoogieDeclarations]: Found specification of procedure zf_ping
[2023-11-19 07:54:20,358 INFO  L138     BoogieDeclarations]: Found implementation of procedure zf_ping
[2023-11-19 07:54:20,358 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int
[2023-11-19 07:54:20,359 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int
[2023-11-19 07:54:20,359 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_lock
[2023-11-19 07:54:20,360 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_lock
[2023-11-19 07:54:20,360 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int
[2023-11-19 07:54:20,361 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int
[2023-11-19 07:54:20,361 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:54:20,757 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:54:20,760 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:54:22,758 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:54:22,774 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:54:22,774 INFO  L302             CfgBuilder]: Removed 4 assume(true) statements.
[2023-11-19 07:54:22,781 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:22 BoogieIcfgContainer
[2023-11-19 07:54:22,782 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:54:22,784 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:54:22,785 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:54:22,789 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:54:22,789 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:54:17" (1/3) ...
[2023-11-19 07:54:22,790 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7df5da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:22, skipping insertion in model container
[2023-11-19 07:54:22,790 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:19" (2/3) ...
[2023-11-19 07:54:22,791 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7df5da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:22, skipping insertion in model container
[2023-11-19 07:54:22,791 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:22" (3/3) ...
[2023-11-19 07:54:22,792 INFO  L112   eAbstractionObserver]: Analyzing ICFG ddv_machzwd_pthread_mutex_unlock.i
[2023-11-19 07:54:22,814 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:54:22,815 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations.
[2023-11-19 07:54:22,816 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7df5da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:54:22, skipping insertion in model container
[2023-11-19 07:54:22,817 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:54:22,818 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:54:22,818 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:54:22,818 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-19 07:54:22,819 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:22" (3/3) ...
[2023-11-19 07:54:22,821 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:54:22,826 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init
[2023-11-19 07:54:22,827 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printk
[2023-11-19 07:54:22,827 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister
[2023-11-19 07:54:22,827 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping
[2023-11-19 07:54:22,827 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process
[2023-11-19 07:54:22,827 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw
[2023-11-19 07:54:22,828 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID
[2023-11-19 07:54:22,828 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off
[2023-11-19 07:54:22,828 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock
[2023-11-19 07:54:22,828 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int
[2023-11-19 07:54:22,828 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID
[2023-11-19 07:54:22,828 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure outw
[2023-11-19 07:54:22,829 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure outb
[2023-11-19 07:54:22,829 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer
[2023-11-19 07:54:22,829 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock
[2023-11-19 07:54:22,829 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2023-11-19 07:54:22,829 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure release_region
[2023-11-19 07:54:22,829 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin
[2023-11-19 07:54:22,830 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore
[2023-11-19 07:54:22,830 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end
[2023-11-19 07:54:22,830 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer
[2023-11-19 07:54:22,830 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave
[2023-11-19 07:54:22,830 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control
[2023-11-19 07:54:22,830 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure request_region
[2023-11-19 07:54:22,831 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int
[2023-11-19 07:54:22,831 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add
[2023-11-19 07:54:22,831 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int
[2023-11-19 07:54:22,832 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control
[2023-11-19 07:54:22,854 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 150 nodes and edges
[2023-11-19 07:54:22,857 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges
[2023-11-19 07:54:22,860 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges
[2023-11-19 07:54:22,863 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2023-11-19 07:54:22,866 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-11-19 07:54:22,869 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:54:23,101 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d41815-ea1e-4b9b-b736-eec84969f65d/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:54:23,102 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d41815-ea1e-4b9b-b736-eec84969f65d/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:54:23,102 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:54:23,104 INFO  L158              Benchmark]: Toolchain (without parser) took 5500.95ms. Allocated memory was 182.5MB in the beginning and 241.2MB in the end (delta: 58.7MB). Free memory was 144.3MB in the beginning and 82.8MB in the end (delta: 61.5MB). Peak memory consumption was 123.4MB. Max. memory is 16.1GB.
[2023-11-19 07:54:23,105 INFO  L158              Benchmark]: CDTParser took 0.35ms. Allocated memory is still 182.5MB. Free memory is still 154.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:54:23,105 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 2178.41ms. Allocated memory is still 182.5MB. Free memory was 144.3MB in the beginning and 116.3MB in the end (delta: 28.0MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB.
[2023-11-19 07:54:23,106 INFO  L158              Benchmark]: Boogie Procedure Inliner took 266.32ms. Allocated memory was 182.5MB in the beginning and 241.2MB in the end (delta: 58.7MB). Free memory was 116.3MB in the beginning and 190.7MB in the end (delta: -74.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB.
[2023-11-19 07:54:23,106 INFO  L158              Benchmark]: Boogie Preprocessor took 185.83ms. Allocated memory is still 241.2MB. Free memory was 190.7MB in the beginning and 183.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-19 07:54:23,107 INFO  L158              Benchmark]: RCFGBuilder took 2540.89ms. Allocated memory is still 241.2MB. Free memory was 183.3MB in the beginning and 106.9MB in the end (delta: 76.5MB). Peak memory consumption was 90.6MB. Max. memory is 16.1GB.
[2023-11-19 07:54:23,107 INFO  L158              Benchmark]: TraceAbstraction took 32.27ms. Allocated memory is still 241.2MB. Free memory was 106.9MB in the beginning and 104.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:54:23,108 INFO  L158              Benchmark]: Witness Printer took 284.92ms. Allocated memory is still 241.2MB. Free memory was 104.8MB in the beginning and 82.8MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2023-11-19 07:54:23,110 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.35ms. Allocated memory is still 182.5MB. Free memory is still 154.4MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 2178.41ms. Allocated memory is still 182.5MB. Free memory was 144.3MB in the beginning and 116.3MB in the end (delta: 28.0MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 266.32ms. Allocated memory was 182.5MB in the beginning and 241.2MB in the end (delta: 58.7MB). Free memory was 116.3MB in the beginning and 190.7MB in the end (delta: -74.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 185.83ms. Allocated memory is still 241.2MB. Free memory was 190.7MB in the beginning and 183.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * RCFGBuilder took 2540.89ms. Allocated memory is still 241.2MB. Free memory was 183.3MB in the beginning and 106.9MB in the end (delta: 76.5MB). Peak memory consumption was 90.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 32.27ms. Allocated memory is still 241.2MB. Free memory was 106.9MB in the beginning and 104.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 284.92ms. Allocated memory is still 241.2MB. Free memory was 104.8MB in the beginning and 82.8MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - AllSpecificationsHoldResult: All specifications hold
    We were not able to verify any specification because the program does not contain any specification.
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:54:23,154 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d41815-ea1e-4b9b-b736-eec84969f65d/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:
TRUE