./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 38b53e6a
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_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3bc57c42fd552df471a50a3f823d776d12ae5a02a1da1686aaab749af4f270bf
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-38b53e6
[2022-11-25 18:44:44,256 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-25 18:44:44,258 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-25 18:44:44,279 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-25 18:44:44,279 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-25 18:44:44,280 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-25 18:44:44,282 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-25 18:44:44,284 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-25 18:44:44,286 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-25 18:44:44,288 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-25 18:44:44,289 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-25 18:44:44,291 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-25 18:44:44,291 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-25 18:44:44,292 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-25 18:44:44,294 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-25 18:44:44,295 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-25 18:44:44,296 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-25 18:44:44,298 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-25 18:44:44,303 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-25 18:44:44,305 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-25 18:44:44,306 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-25 18:44:44,308 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-25 18:44:44,309 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-25 18:44:44,310 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-25 18:44:44,315 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-25 18:44:44,315 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-25 18:44:44,315 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-25 18:44:44,317 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-25 18:44:44,317 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-25 18:44:44,318 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-25 18:44:44,319 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-25 18:44:44,320 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-25 18:44:44,321 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-25 18:44:44,322 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-25 18:44:44,323 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-25 18:44:44,324 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-25 18:44:44,325 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-25 18:44:44,325 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-25 18:44:44,326 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-25 18:44:44,327 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-25 18:44:44,328 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-25 18:44:44,329 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2022-11-25 18:44:44,373 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-25 18:44:44,374 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-25 18:44:44,375 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-25 18:44:44,375 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-25 18:44:44,376 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-25 18:44:44,376 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-25 18:44:44,377 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-25 18:44:44,377 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-25 18:44:44,377 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-25 18:44:44,377 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-25 18:44:44,379 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-25 18:44:44,379 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-25 18:44:44,379 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-25 18:44:44,379 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-25 18:44:44,379 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-25 18:44:44,380 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-25 18:44:44,380 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-25 18:44:44,380 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-25 18:44:44,380 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-25 18:44:44,380 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-25 18:44:44,381 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-25 18:44:44,381 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-25 18:44:44,381 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-25 18:44:44,381 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-25 18:44:44,381 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-25 18:44:44,382 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-25 18:44:44,382 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-25 18:44:44,382 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-25 18:44:44,383 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-25 18:44:44,383 INFO  L138        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2022-11-25 18:44:44,383 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-25 18:44:44,384 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-25 18:44:44,384 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-11-25 18:44:44,384 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-25 18:44:44,385 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2022-11-25 18:44:44,385 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2022-11-25 18:44:44,385 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/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_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
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 -> GemCutter
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 -> 3bc57c42fd552df471a50a3f823d776d12ae5a02a1da1686aaab749af4f270bf
[2022-11-25 18:44:44,695 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-25 18:44:44,732 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-25 18:44:44,735 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-25 18:44:44,737 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-25 18:44:44,737 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-25 18:44:44,739 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i
[2022-11-25 18:44:47,983 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2022-11-25 18:44:48,273 INFO  L351              CDTParser]: Found 1 translation units.
[2022-11-25 18:44:48,274 INFO  L172              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i
[2022-11-25 18:44:48,291 INFO  L394              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/data/c9e1763ca/f05375614b494435b1c7d2bef7f589f5/FLAG3786ae0a4
[2022-11-25 18:44:48,308 INFO  L402              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/data/c9e1763ca/f05375614b494435b1c7d2bef7f589f5
[2022-11-25 18:44:48,312 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-25 18:44:48,313 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-25 18:44:48,315 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-25 18:44:48,315 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-25 18:44:48,326 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-25 18:44:48,332 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:44:48" (1/1) ...
[2022-11-25 18:44:48,333 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52cfc6c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:48, skipping insertion in model container
[2022-11-25 18:44:48,334 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:44:48" (1/1) ...
[2022-11-25 18:44:48,343 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-25 18:44:48,411 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-25 18:44:48,610 WARN  L237   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_db951d0b-bd48-427f-9bfb-2972e4a56028/sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i[949,962]
[2022-11-25 18:44:48,871 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,873 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,873 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,874 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,874 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,885 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,886 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,887 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,888 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,891 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,892 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,892 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,893 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,904 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,905 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,906 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,913 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,914 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,914 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,915 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,915 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,926 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,927 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,927 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,928 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,929 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,929 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,930 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,930 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,930 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,931 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,934 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,934 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,935 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,944 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,945 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,946 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,949 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,950 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:48,961 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:48,968 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-25 18:44:48,984 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-25 18:44:49,000 WARN  L237   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_db951d0b-bd48-427f-9bfb-2972e4a56028/sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i[949,962]
[2022-11-25 18:44:49,031 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,032 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,032 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,032 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,033 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,036 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,036 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,037 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,037 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,039 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,040 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,040 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,040 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,043 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,043 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,044 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,044 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,045 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,045 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,046 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,046 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,050 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,050 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,051 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,052 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,053 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,058 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,059 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,065 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,066 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,066 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,069 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,069 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,070 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,075 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,076 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,076 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,079 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,079 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-11-25 18:44:49,087 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-11-25 18:44:49,088 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-25 18:44:49,131 INFO  L208         MainTranslator]: Completed translation
[2022-11-25 18:44:49,131 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:49 WrapperNode
[2022-11-25 18:44:49,131 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-25 18:44:49,133 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-25 18:44:49,133 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-25 18:44:49,133 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-25 18:44:49,144 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:49" (1/1) ...
[2022-11-25 18:44:49,172 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:49" (1/1) ...
[2022-11-25 18:44:49,224 INFO  L138                Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 160
[2022-11-25 18:44:49,225 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-25 18:44:49,225 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-25 18:44:49,226 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-25 18:44:49,226 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-25 18:44:49,238 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:49" (1/1) ...
[2022-11-25 18:44:49,239 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:49" (1/1) ...
[2022-11-25 18:44:49,243 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:49" (1/1) ...
[2022-11-25 18:44:49,244 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:49" (1/1) ...
[2022-11-25 18:44:49,253 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:49" (1/1) ...
[2022-11-25 18:44:49,255 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:49" (1/1) ...
[2022-11-25 18:44:49,258 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:49" (1/1) ...
[2022-11-25 18:44:49,260 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:49" (1/1) ...
[2022-11-25 18:44:49,274 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-25 18:44:49,275 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-25 18:44:49,275 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-25 18:44:49,275 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-25 18:44:49,276 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:49" (1/1) ...
[2022-11-25 18:44:49,284 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-25 18:44:49,299 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/z3
[2022-11-25 18:44:49,316 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-25 18:44:49,328 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-25 18:44:49,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-11-25 18:44:49,359 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-11-25 18:44:49,359 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-25 18:44:49,359 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-25 18:44:49,359 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-25 18:44:49,359 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2022-11-25 18:44:49,359 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2022-11-25 18:44:49,359 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2022-11-25 18:44:49,360 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2022-11-25 18:44:49,360 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2022-11-25 18:44:49,360 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2022-11-25 18:44:49,360 INFO  L130     BoogieDeclarations]: Found specification of procedure P3
[2022-11-25 18:44:49,360 INFO  L138     BoogieDeclarations]: Found implementation of procedure P3
[2022-11-25 18:44:49,360 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-25 18:44:49,360 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-11-25 18:44:49,361 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-25 18:44:49,361 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-25 18:44:49,363 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-25 18:44:49,523 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-25 18:44:49,525 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-25 18:44:50,022 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-25 18:44:50,297 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-25 18:44:50,297 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-25 18:44:50,301 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:44:50 BoogieIcfgContainer
[2022-11-25 18:44:50,301 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-25 18:44:50,306 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-25 18:44:50,306 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-25 18:44:50,309 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-25 18:44:50,310 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:44:48" (1/3) ...
[2022-11-25 18:44:50,312 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb0ed67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:44:50, skipping insertion in model container
[2022-11-25 18:44:50,312 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:44:49" (2/3) ...
[2022-11-25 18:44:50,314 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb0ed67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:44:50, skipping insertion in model container
[2022-11-25 18:44:50,315 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:44:50" (3/3) ...
[2022-11-25 18:44:50,319 INFO  L112   eAbstractionObserver]: Analyzing ICFG mix018_tso.oepc.i
[2022-11-25 18:44:50,330 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-25 18:44:50,343 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-25 18:44:50,343 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2022-11-25 18:44:50,343 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-25 18:44:50,445 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-11-25 18:44:50,520 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-25 18:44:50,521 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-11-25 18:44:50,521 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/z3
[2022-11-25 18:44:50,531 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-11-25 18:44:50,548 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-11-25 18:44:50,577 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-11-25 18:44:50,592 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2022-11-25 18:44:50,600 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@55bff3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-25 18:44:50,600 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2022-11-25 18:44:51,213 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2022-11-25 18:44:51,218 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 18:44:51,219 INFO  L85        PathProgramCache]: Analyzing trace with hash -192439369, now seen corresponding path program 1 times
[2022-11-25 18:44:51,230 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 18:44:51,231 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047422940]
[2022-11-25 18:44:51,231 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 18:44:51,231 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 18:44:51,414 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 18:44:51,703 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 18:44:51,703 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 18:44:51,704 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047422940]
[2022-11-25 18:44:51,704 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047422940] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 18:44:51,705 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 18:44:51,705 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-25 18:44:51,707 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384473058]
[2022-11-25 18:44:51,707 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 18:44:51,713 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-25 18:44:51,714 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 18:44:51,742 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-25 18:44:51,743 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-25 18:44:51,744 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-25 18:44:51,746 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-11-25 18:44:51,748 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 52.0) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-25 18:44:51,748 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-11-25 18:44:51,836 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-25 18:44:51,836 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-25 18:44:51,837 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2022-11-25 18:44:51,838 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 18:44:51,838 INFO  L85        PathProgramCache]: Analyzing trace with hash 1417673812, now seen corresponding path program 1 times
[2022-11-25 18:44:51,838 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 18:44:51,839 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272249051]
[2022-11-25 18:44:51,839 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 18:44:51,840 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 18:44:51,935 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 18:44:52,621 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 18:44:52,621 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 18:44:52,622 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272249051]
[2022-11-25 18:44:52,622 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272249051] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 18:44:52,622 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 18:44:52,622 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-25 18:44:52,623 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030724775]
[2022-11-25 18:44:52,623 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 18:44:52,635 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-25 18:44:52,635 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 18:44:52,636 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-25 18:44:52,636 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-25 18:44:52,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-25 18:44:52,637 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-11-25 18:44:52,637 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-25 18:44:52,637 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-11-25 18:44:52,638 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-11-25 18:44:52,839 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-25 18:44:52,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-25 18:44:52,840 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-25 18:44:52,841 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2022-11-25 18:44:52,841 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 18:44:52,842 INFO  L85        PathProgramCache]: Analyzing trace with hash -1405795702, now seen corresponding path program 1 times
[2022-11-25 18:44:52,842 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 18:44:52,842 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929243594]
[2022-11-25 18:44:52,842 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 18:44:52,843 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 18:44:53,029 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 18:44:53,710 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 18:44:53,710 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 18:44:53,711 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929243594]
[2022-11-25 18:44:53,711 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929243594] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 18:44:53,711 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 18:44:53,712 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-11-25 18:44:53,712 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201144474]
[2022-11-25 18:44:53,712 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 18:44:53,713 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-11-25 18:44:53,713 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 18:44:53,714 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-11-25 18:44:53,715 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2022-11-25 18:44:53,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-25 18:44:53,715 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-11-25 18:44:53,716 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-25 18:44:53,716 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-11-25 18:44:53,716 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-11-25 18:44:53,716 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-11-25 18:44:54,100 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-25 18:44:54,101 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-25 18:44:54,102 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-11-25 18:44:54,102 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-25 18:44:54,102 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2022-11-25 18:44:54,106 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 18:44:54,106 INFO  L85        PathProgramCache]: Analyzing trace with hash -939525843, now seen corresponding path program 1 times
[2022-11-25 18:44:54,107 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 18:44:54,107 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038227314]
[2022-11-25 18:44:54,107 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 18:44:54,108 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 18:44:54,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 18:44:57,447 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 18:44:57,447 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 18:44:57,452 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038227314]
[2022-11-25 18:44:57,452 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038227314] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 18:44:57,453 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 18:44:57,453 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17
[2022-11-25 18:44:57,453 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789982980]
[2022-11-25 18:44:57,453 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 18:44:57,454 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2022-11-25 18:44:57,455 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 18:44:57,457 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2022-11-25 18:44:57,458 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272
[2022-11-25 18:44:57,458 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-25 18:44:57,459 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-11-25 18:44:57,459 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 17 states, 17 states have (on average 6.647058823529412) internal successors, (113), 17 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-25 18:44:57,459 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-11-25 18:44:57,459 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-11-25 18:44:57,459 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-11-25 18:44:57,460 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-11-25 18:45:01,304 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-25 18:45:01,304 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-25 18:45:01,304 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-11-25 18:45:01,305 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-11-25 18:45:01,305 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-25 18:45:01,305 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2022-11-25 18:45:01,306 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 18:45:01,306 INFO  L85        PathProgramCache]: Analyzing trace with hash -263270483, now seen corresponding path program 2 times
[2022-11-25 18:45:01,306 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 18:45:01,306 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317041898]
[2022-11-25 18:45:01,307 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 18:45:01,307 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 18:45:01,408 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 18:45:01,408 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-25 18:45:01,479 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 18:45:01,533 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-25 18:45:01,533 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2022-11-25 18:45:01,534 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining)
[2022-11-25 18:45:01,536 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining)
[2022-11-25 18:45:01,537 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining)
[2022-11-25 18:45:01,537 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining)
[2022-11-25 18:45:01,538 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining)
[2022-11-25 18:45:01,538 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-25 18:45:01,544 INFO  L445         BasicCegarLoop]: Path program histogram: [2, 1, 1, 1]
[2022-11-25 18:45:01,546 INFO  L307   ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/2)
[2022-11-25 18:45:01,552 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-11-25 18:45:01,552 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-11-25 18:45:01,711 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:45:01 BasicIcfg
[2022-11-25 18:45:01,711 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-25 18:45:01,712 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-25 18:45:01,712 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-25 18:45:01,712 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-25 18:45:01,713 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:44:50" (3/4) ...
[2022-11-25 18:45:01,715 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2022-11-25 18:45:01,959 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/witness.graphml
[2022-11-25 18:45:01,960 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-25 18:45:01,961 INFO  L158              Benchmark]: Toolchain (without parser) took 13647.88ms. Allocated memory was 182.5MB in the beginning and 325.1MB in the end (delta: 142.6MB). Free memory was 135.2MB in the beginning and 242.7MB in the end (delta: -107.5MB). Peak memory consumption was 206.3MB. Max. memory is 16.1GB.
[2022-11-25 18:45:01,961 INFO  L158              Benchmark]: CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory was 73.4MB in the beginning and 73.3MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-25 18:45:01,962 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 816.94ms. Allocated memory is still 182.5MB. Free memory was 135.2MB in the beginning and 106.5MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
[2022-11-25 18:45:01,962 INFO  L158              Benchmark]: Boogie Procedure Inliner took 92.43ms. Allocated memory is still 182.5MB. Free memory was 106.5MB in the beginning and 103.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-25 18:45:01,962 INFO  L158              Benchmark]: Boogie Preprocessor took 48.58ms. Allocated memory is still 182.5MB. Free memory was 103.8MB in the beginning and 101.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-25 18:45:01,963 INFO  L158              Benchmark]: RCFGBuilder took 1026.15ms. Allocated memory is still 182.5MB. Free memory was 101.7MB in the beginning and 134.5MB in the end (delta: -32.8MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB.
[2022-11-25 18:45:01,963 INFO  L158              Benchmark]: TraceAbstraction took 11405.61ms. Allocated memory was 182.5MB in the beginning and 325.1MB in the end (delta: 142.6MB). Free memory was 133.5MB in the beginning and 116.3MB in the end (delta: 17.2MB). Peak memory consumption was 161.8MB. Max. memory is 16.1GB.
[2022-11-25 18:45:01,963 INFO  L158              Benchmark]: Witness Printer took 248.62ms. Allocated memory is still 325.1MB. Free memory was 116.3MB in the beginning and 242.7MB in the end (delta: -126.5MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB.
[2022-11-25 18:45:01,965 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory was 73.4MB in the beginning and 73.3MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 816.94ms. Allocated memory is still 182.5MB. Free memory was 135.2MB in the beginning and 106.5MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 92.43ms. Allocated memory is still 182.5MB. Free memory was 106.5MB in the beginning and 103.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 48.58ms. Allocated memory is still 182.5MB. Free memory was 103.8MB in the beginning and 101.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1026.15ms. Allocated memory is still 182.5MB. Free memory was 101.7MB in the beginning and 134.5MB in the end (delta: -32.8MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB.
 * TraceAbstraction took 11405.61ms. Allocated memory was 182.5MB in the beginning and 325.1MB in the end (delta: 142.6MB). Free memory was 133.5MB in the beginning and 116.3MB in the end (delta: 17.2MB). Peak memory consumption was 161.8MB. Max. memory is 16.1GB.
 * Witness Printer took 248.62ms. Allocated memory is still 325.1MB. Free memory was 116.3MB in the beginning and 242.7MB in the end (delta: -126.5MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 58887, independent: 57331, independent conditional: 54675, independent unconditional: 2656, dependent: 1556, dependent conditional: 1507, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 58544, independent: 57331, independent conditional: 54675, independent unconditional: 2656, dependent: 1213, dependent conditional: 1164, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 58544, independent: 57331, independent conditional: 54675, independent unconditional: 2656, dependent: 1213, dependent conditional: 1164, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62956, independent: 57331, independent conditional: 1595, independent unconditional: 55736, dependent: 5625, dependent conditional: 2817, dependent unconditional: 2808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 62956, independent: 57331, independent conditional: 1595, independent unconditional: 55736, dependent: 5625, dependent conditional: 872, dependent unconditional: 4753, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62956, independent: 57331, independent conditional: 1595, independent unconditional: 55736, dependent: 5625, dependent conditional: 872, dependent unconditional: 4753, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2736, independent: 2681, independent conditional: 25, independent unconditional: 2656, dependent: 55, dependent conditional: 6, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2736, independent: 2641, independent conditional: 0, independent unconditional: 2641, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 95, independent: 40, independent conditional: 25, independent unconditional: 15, dependent: 55, dependent conditional: 6, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 95, independent: 40, independent conditional: 25, independent unconditional: 15, dependent: 55, dependent conditional: 6, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 922, independent: 235, independent conditional: 134, independent unconditional: 101, dependent: 687, dependent conditional: 64, dependent unconditional: 623, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 62956, independent: 54650, independent conditional: 1570, independent unconditional: 53080, dependent: 5570, dependent conditional: 866, dependent unconditional: 4704, unknown: 2736, unknown conditional: 31, unknown unconditional: 2705] , Statistics on independence cache: Total cache size (in pairs): 2736, Positive cache size: 2681, Positive conditional cache size: 25, Positive unconditional cache size: 2656, Negative cache size: 55, Negative conditional cache size: 6, Negative unconditional cache size: 49, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1945, Maximal queried relation: 2, Independence queries for same thread: 343
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time: 1.7s, Number of persistent set computation: 9266, Number of trivial persistent sets: 4164, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2705, independent: 2656, independent conditional: 0, independent unconditional: 2656, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 58887, independent: 57331, independent conditional: 54675, independent unconditional: 2656, dependent: 1556, dependent conditional: 1507, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 58544, independent: 57331, independent conditional: 54675, independent unconditional: 2656, dependent: 1213, dependent conditional: 1164, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 58544, independent: 57331, independent conditional: 54675, independent unconditional: 2656, dependent: 1213, dependent conditional: 1164, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62956, independent: 57331, independent conditional: 1595, independent unconditional: 55736, dependent: 5625, dependent conditional: 2817, dependent unconditional: 2808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 62956, independent: 57331, independent conditional: 1595, independent unconditional: 55736, dependent: 5625, dependent conditional: 872, dependent unconditional: 4753, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62956, independent: 57331, independent conditional: 1595, independent unconditional: 55736, dependent: 5625, dependent conditional: 872, dependent unconditional: 4753, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2736, independent: 2681, independent conditional: 25, independent unconditional: 2656, dependent: 55, dependent conditional: 6, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2736, independent: 2641, independent conditional: 0, independent unconditional: 2641, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 95, independent: 40, independent conditional: 25, independent unconditional: 15, dependent: 55, dependent conditional: 6, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 95, independent: 40, independent conditional: 25, independent unconditional: 15, dependent: 55, dependent conditional: 6, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 922, independent: 235, independent conditional: 134, independent unconditional: 101, dependent: 687, dependent conditional: 64, dependent unconditional: 623, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 62956, independent: 54650, independent conditional: 1570, independent unconditional: 53080, dependent: 5570, dependent conditional: 866, dependent unconditional: 4704, unknown: 2736, unknown conditional: 31, unknown unconditional: 2705] , Statistics on independence cache: Total cache size (in pairs): 2736, Positive cache size: 2681, Positive conditional cache size: 25, Positive unconditional cache size: 2656, Negative cache size: 55, Negative conditional cache size: 6, Negative unconditional cache size: 49, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1945, Maximal queried relation: 2, Independence queries for same thread: 343
  - CounterExampleResult [Line: 18]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L710]               0  int __unbuffered_cnt = 0;
        VAL             [__unbuffered_cnt=0]
[L712]               0  int __unbuffered_p1_EAX = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0]
[L714]               0  int __unbuffered_p2_EAX = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0]
[L716]               0  int __unbuffered_p3_EAX = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0]
[L718]               0  int __unbuffered_p3_EBX = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0]
[L720]               0  int a = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0]
[L721]               0  _Bool main$tmp_guard0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0]
[L722]               0  _Bool main$tmp_guard1;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0]
[L724]               0  int x = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0]
[L725]               0  _Bool x$flush_delayed;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0]
[L726]               0  int x$mem_tmp;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0]
[L727]               0  _Bool x$r_buff0_thd0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0]
[L728]               0  _Bool x$r_buff0_thd1;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0]
[L729]               0  _Bool x$r_buff0_thd2;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0]
[L730]               0  _Bool x$r_buff0_thd3;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0]
[L731]               0  _Bool x$r_buff0_thd4;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0]
[L732]               0  _Bool x$r_buff1_thd0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0]
[L733]               0  _Bool x$r_buff1_thd1;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0]
[L734]               0  _Bool x$r_buff1_thd2;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0]
[L735]               0  _Bool x$r_buff1_thd3;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0]
[L736]               0  _Bool x$r_buff1_thd4;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0]
[L737]               0  _Bool x$read_delayed;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0]
[L738]               0  int *x$read_delayed_var;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}]
[L739]               0  int x$w_buff0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0]
[L740]               0  _Bool x$w_buff0_used;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0]
[L741]               0  int x$w_buff1;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0]
[L742]               0  _Bool x$w_buff1_used;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0]
[L744]               0  int y = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L746]               0  int z = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0]
[L747]               0  _Bool weak$$choice0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0]
[L748]               0  _Bool weak$$choice2;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0]
[L853]               0  pthread_t t489;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t489={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0]
[L854]  FCALL, FORK  0  pthread_create(&t489, ((void *)0), P0, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t489, ((void *)0), P0, ((void *)0))=-3, t489={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0]
[L855]               0  pthread_t t490;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t489={5:0}, t490={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0]
[L856]  FCALL, FORK  0  pthread_create(&t490, ((void *)0), P1, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t490, ((void *)0), P1, ((void *)0))=-2, t489={5:0}, t490={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0]
[L772]               2  x$w_buff1 = x$w_buff0
[L773]               2  x$w_buff0 = 2
[L774]               2  x$w_buff1_used = x$w_buff0_used
[L775]               2  x$w_buff0_used = (_Bool)1
[L776]  CALL         2  __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used))
[L18]   COND FALSE   2  !(!expression)
[L776]  RET          2  __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used))
[L777]               2  x$r_buff1_thd0 = x$r_buff0_thd0
[L778]               2  x$r_buff1_thd1 = x$r_buff0_thd1
[L779]               2  x$r_buff1_thd2 = x$r_buff0_thd2
[L780]               2  x$r_buff1_thd3 = x$r_buff0_thd3
[L781]               2  x$r_buff1_thd4 = x$r_buff0_thd4
[L782]               2  x$r_buff0_thd2 = (_Bool)1
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0]
[L785]               2  __unbuffered_p1_EAX = y
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0]
[L857]               0  pthread_t t491;
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t489={5:0}, t490={6:0}, t491={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0]
[L858]  FCALL, FORK  0  pthread_create(&t491, ((void *)0), P2, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t491, ((void *)0), P2, ((void *)0))=-1, t489={5:0}, t490={6:0}, t491={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0]
[L802]               3  y = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0]
[L805]               3  __unbuffered_p2_EAX = z
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0]
[L808]               3  x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x)
[L809]               3  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used
[L810]               3  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used
[L811]               3  x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3
[L812]               3  x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0]
[L815]               3  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0]
[L817]               3  return 0;
        VAL             [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0]
[L859]               0  pthread_t t492;
        VAL             [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t489={5:0}, t490={6:0}, t491={7:0}, t492={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0]
[L860]  FCALL, FORK  0  pthread_create(&t492, ((void *)0), P3, ((void *)0))
        VAL             [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t492, ((void *)0), P3, ((void *)0))=0, t489={5:0}, t490={6:0}, t491={7:0}, t492={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0]
[L822]               4  z = 1
        VAL             [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L825]               4  __unbuffered_p3_EAX = z
        VAL             [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L828]               4  __unbuffered_p3_EBX = a
        VAL             [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L831]               4  x = x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x)
[L832]               4  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$w_buff0_used
[L833]               4  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$w_buff1_used
[L834]               4  x$r_buff0_thd4 = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$r_buff0_thd4
[L835]               4  x$r_buff1_thd4 = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$r_buff1_thd4
        VAL             [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L838]               4  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L840]               4  return 0;
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L752]               1  a = 1
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L755]               1  x = 1
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L788]               2  x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x)
[L789]               2  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used
[L790]               2  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used
[L791]               2  x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2
[L792]               2  x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L795]               2  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L797]               2  return 0;
        VAL             [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L758]               1  x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x)
[L759]               1  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used
[L760]               1  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used
[L761]               1  x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1
[L762]               1  x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L765]               1  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L862]               0  main$tmp_guard0 = __unbuffered_cnt == 4
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t489={5:0}, t490={6:0}, t491={7:0}, t492={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L864]  CALL         0  assume_abort_if_not(main$tmp_guard0)
[L3]    COND FALSE   0  !(!cond)
        VAL             [\old(cond)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L864]  RET          0  assume_abort_if_not(main$tmp_guard0)
[L866]               0  x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x)
[L867]               0  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used
[L868]               0  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used
[L869]               0  x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0
[L870]               0  x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t489={5:0}, t490={6:0}, t491={7:0}, t492={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L873]               0  weak$$choice0 = __VERIFIER_nondet_bool()
[L874]               0  weak$$choice2 = __VERIFIER_nondet_bool()
[L875]               0  x$flush_delayed = weak$$choice2
[L876]               0  x$mem_tmp = x
[L877]               0  x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1)
[L878]               0  x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0))
[L879]               0  x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1))
[L880]               0  x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used))
[L881]               0  x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L882]               0  x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0))
[L883]               0  x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L884]               0  main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0)
[L885]               0  x = x$flush_delayed ? x$mem_tmp : x
[L886]               0  x$flush_delayed = (_Bool)0
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t489={5:0}, t490={6:0}, t491={7:0}, t492={3:0}, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L888]  CALL         0  __VERIFIER_assert(main$tmp_guard1)
[L18]   COND TRUE    0  !expression
        VAL             [\old(expression)=0, \old(expression)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]
[L18]                0  reach_error()
        VAL             [\old(expression)=0, \old(expression)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1]

  - UnprovableResult [Line: 860]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 858]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 856]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 854]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 9 procedures, 175 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 5.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 424 ConstructedInterpolants, 0 QuantifiedInterpolants, 2527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2022-11-25 18:45:01,995 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2022-11-25 18:45:02,201 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db951d0b-bd48-427f-9bfb-2972e4a56028/bin/ugemcutter-syNpU3ikLH/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE