This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m
[2024-10-16 09:10:35,843 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-16 09:10:35,927 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-10-16 09:10:35,933 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-16 09:10:35,934 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-16 09:10:35,967 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-16 09:10:35,968 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-16 09:10:35,968 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-16 09:10:35,968 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-16 09:10:35,969 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-16 09:10:35,969 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-16 09:10:35,970 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-16 09:10:35,970 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-16 09:10:35,974 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-16 09:10:35,974 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-16 09:10:35,975 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-10-16 09:10:35,975 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-16 09:10:35,978 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-10-16 09:10:35,978 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-16 09:10:35,978 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-16 09:10:35,979 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-16 09:10:35,981 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-16 09:10:35,982 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-16 09:10:35,982 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-10-16 09:10:35,982 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-16 09:10:35,982 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-16 09:10:35,982 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-16 09:10:35,983 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-16 09:10:35,983 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-16 09:10:35,983 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-16 09:10:35,983 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-16 09:10:35,983 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-16 09:10:35,984 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-16 09:10:35,984 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2024-10-16 09:10:35,984 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-16 09:10:35,984 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-16 09:10:35,984 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-10-16 09:10:35,985 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-16 09:10:35,985 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-16 09:10:35,985 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-10-16 09:10:35,986 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-10-16 09:10:35,988 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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 -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> 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 -> 5babed9169ff1f82a919f6310b42a42108866edd5cf3c99389faf03347963192
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> GENERATOR_WITH_CONTEXT
[2024-10-16 09:10:36,344 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-16 09:10:36,371 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-16 09:10:36,375 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-16 09:10:36,377 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-16 09:10:36,377 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-16 09:10:36,378 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix008_tso.oepc.i
[2024-10-16 09:10:37,862 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-16 09:10:38,177 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-16 09:10:38,178 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix008_tso.oepc.i
[2024-10-16 09:10:38,205 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/848d5482b/76861489e7504b74bafc3cdc89bf6314/FLAG422618de1
[2024-10-16 09:10:38,450 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/848d5482b/76861489e7504b74bafc3cdc89bf6314
[2024-10-16 09:10:38,453 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-16 09:10:38,455 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-16 09:10:38,458 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-16 09:10:38,458 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-16 09:10:38,464 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-16 09:10:38,465 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:10:38" (1/1) ...
[2024-10-16 09:10:38,466 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7624a1f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:10:38, skipping insertion in model container
[2024-10-16 09:10:38,466 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:10:38" (1/1) ...
[2024-10-16 09:10:38,522 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-16 09:10:38,761 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix008_tso.oepc.i[949,962]
[2024-10-16 09:10:39,054 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-16 09:10:39,072 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-16 09:10:39,085 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix008_tso.oepc.i[949,962]
[2024-10-16 09:10:39,179 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-16 09:10:39,230 INFO  L204         MainTranslator]: Completed translation
[2024-10-16 09:10:39,231 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:10:39 WrapperNode
[2024-10-16 09:10:39,231 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-16 09:10:39,232 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-16 09:10:39,232 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-16 09:10:39,232 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-16 09:10:39,239 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:10:39" (1/1) ...
[2024-10-16 09:10:39,267 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:10:39" (1/1) ...
[2024-10-16 09:10:39,309 INFO  L138                Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 273
[2024-10-16 09:10:39,310 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-16 09:10:39,310 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-16 09:10:39,310 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-16 09:10:39,311 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-16 09:10:39,320 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:10:39" (1/1) ...
[2024-10-16 09:10:39,320 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:10:39" (1/1) ...
[2024-10-16 09:10:39,330 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:10:39" (1/1) ...
[2024-10-16 09:10:39,330 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:10:39" (1/1) ...
[2024-10-16 09:10:39,347 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:10:39" (1/1) ...
[2024-10-16 09:10:39,353 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:10:39" (1/1) ...
[2024-10-16 09:10:39,356 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:10:39" (1/1) ...
[2024-10-16 09:10:39,361 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:10:39" (1/1) ...
[2024-10-16 09:10:39,370 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-16 09:10:39,371 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-16 09:10:39,371 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-16 09:10:39,371 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-16 09:10:39,371 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:10:39" (1/1) ...
[2024-10-16 09:10:39,382 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-16 09:10:39,404 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-16 09:10:39,420 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-10-16 09:10:39,423 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-10-16 09:10:39,474 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-10-16 09:10:39,474 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-16 09:10:39,475 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2024-10-16 09:10:39,475 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2024-10-16 09:10:39,475 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2024-10-16 09:10:39,475 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2024-10-16 09:10:39,475 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2024-10-16 09:10:39,475 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2024-10-16 09:10:39,475 INFO  L130     BoogieDeclarations]: Found specification of procedure P3
[2024-10-16 09:10:39,476 INFO  L138     BoogieDeclarations]: Found implementation of procedure P3
[2024-10-16 09:10:39,477 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-10-16 09:10:39,477 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-10-16 09:10:39,478 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-16 09:10:39,478 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-16 09:10:39,479 WARN  L207             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-10-16 09:10:39,677 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-16 09:10:39,679 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-16 09:10:40,262 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-10-16 09:10:40,264 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-16 09:10:40,590 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-16 09:10:40,590 INFO  L314             CfgBuilder]: Removed 0 assume(true) statements.
[2024-10-16 09:10:40,591 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:10:40 BoogieIcfgContainer
[2024-10-16 09:10:40,592 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-16 09:10:40,594 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-16 09:10:40,595 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-16 09:10:40,598 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-16 09:10:40,599 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 09:10:38" (1/3) ...
[2024-10-16 09:10:40,600 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e1ae9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 09:10:40, skipping insertion in model container
[2024-10-16 09:10:40,601 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:10:39" (2/3) ...
[2024-10-16 09:10:40,601 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e1ae9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 09:10:40, skipping insertion in model container
[2024-10-16 09:10:40,602 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:10:40" (3/3) ...
[2024-10-16 09:10:40,603 INFO  L112   eAbstractionObserver]: Analyzing ICFG mix008_tso.oepc.i
[2024-10-16 09:10:40,623 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-16 09:10:40,623 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2024-10-16 09:10:40,623 INFO  L484   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-10-16 09:10:40,715 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-10-16 09:10:40,770 INFO  L106   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-16 09:10:40,770 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-10-16 09:10:40,771 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-16 09:10:40,773 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-10-16 09:10:40,775 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-10-16 09:10:40,885 INFO  L194   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-10-16 09:10:40,907 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 09:10:40,913 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork0 ========
[2024-10-16 09:10:40,923 INFO  L333      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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@78288d57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR_WITH_CONTEXT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false
[2024-10-16 09:10:40,924 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-10-16 09:11:04,411 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-16 09:11:04,467 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 09:11:04,467 INFO  L85        PathProgramCache]: Analyzing trace with hash -1912200394, now seen corresponding path program 1 times
[2024-10-16 09:11:04,475 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 09:11:04,475 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119510950]
[2024-10-16 09:11:04,476 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 09:11:04,476 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 09:11:04,758 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 09:11:05,400 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-16 09:11:05,401 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 09:11:05,401 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119510950]
[2024-10-16 09:11:05,401 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119510950] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 09:11:05,401 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 09:11:05,402 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-10-16 09:11:05,403 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32094202]
[2024-10-16 09:11:05,403 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 09:11:05,409 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-16 09:11:05,409 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-16 09:11:05,435 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-16 09:11:05,437 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-10-16 09:11:05,438 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 09:11:05,439 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 09:11:05,440 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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)
[2024-10-16 09:11:05,440 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 09:16:02,600 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:16:02,603 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-10-16 09:16:02,605 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-16 09:16:02,618 INFO  L414         BasicCegarLoop]: Path program histogram: [1]
[2024-10-16 09:16:02,622 INFO  L312   ceAbstractionStarter]: Result for error location P2Thread1of1ForFork0 was SAFE (1/3)
[2024-10-16 09:16:02,628 INFO  L106   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-16 09:16:02,629 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-10-16 09:16:02,629 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-16 09:16:02,812 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-10-16 09:16:02,814 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process
[2024-10-16 09:16:02,859 INFO  L194   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-10-16 09:16:02,859 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 09:16:02,860 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-10-16 09:16:02,860 INFO  L333      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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@78288d57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR_WITH_CONTEXT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false
[2024-10-16 09:16:02,861 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-10-16 09:16:27,675 INFO  L396      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)] ===
[2024-10-16 09:16:27,721 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 09:16:27,721 INFO  L85        PathProgramCache]: Analyzing trace with hash -990143840, now seen corresponding path program 1 times
[2024-10-16 09:16:27,721 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 09:16:27,721 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611383941]
[2024-10-16 09:16:27,722 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 09:16:27,722 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 09:16:27,822 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 09:16:28,372 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-16 09:16:28,373 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 09:16:28,373 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611383941]
[2024-10-16 09:16:28,373 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611383941] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 09:16:28,373 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 09:16:28,373 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-16 09:16:28,374 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725232507]
[2024-10-16 09:16:28,374 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 09:16:28,374 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-16 09:16:28,374 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-16 09:16:28,375 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-16 09:16:28,375 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-16 09:16:28,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 09:16:28,376 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 09:16:28,376 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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)
[2024-10-16 09:16:28,376 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 09:17:19,094 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:17:19,095 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-16 09:17:19,095 INFO  L396      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)] ===
[2024-10-16 09:17:19,174 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 09:17:19,174 INFO  L85        PathProgramCache]: Analyzing trace with hash 1172938352, now seen corresponding path program 1 times
[2024-10-16 09:17:19,174 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 09:17:19,174 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996342337]
[2024-10-16 09:17:19,174 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 09:17:19,175 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 09:17:19,335 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 09:17:20,124 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-16 09:17:20,125 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 09:17:20,125 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996342337]
[2024-10-16 09:17:20,125 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996342337] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 09:17:20,125 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 09:17:20,125 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-16 09:17:20,126 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130979631]
[2024-10-16 09:17:20,126 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 09:17:20,126 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-16 09:17:20,126 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-16 09:17:20,127 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-16 09:17:20,127 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-10-16 09:17:20,127 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 09:17:20,129 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 09:17:20,129 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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)
[2024-10-16 09:17:20,129 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:17:20,130 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 09:17:47,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:17:47,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:17:47,183 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-10-16 09:17:47,184 INFO  L396      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)] ===
[2024-10-16 09:17:47,247 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 09:17:47,248 INFO  L85        PathProgramCache]: Analyzing trace with hash -1754719076, now seen corresponding path program 1 times
[2024-10-16 09:17:47,248 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 09:17:47,248 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739398999]
[2024-10-16 09:17:47,248 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 09:17:47,249 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 09:17:47,470 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 09:17:47,829 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-16 09:17:47,830 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 09:17:47,830 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739398999]
[2024-10-16 09:17:47,831 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739398999] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 09:17:47,831 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 09:17:47,831 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-10-16 09:17:47,831 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232869206]
[2024-10-16 09:17:47,831 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 09:17:47,831 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-10-16 09:17:47,831 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-16 09:17:47,832 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-10-16 09:17:47,832 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-10-16 09:17:47,832 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 09:17:47,832 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 09:17:47,833 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 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)
[2024-10-16 09:17:47,833 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:17:47,833 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:17:47,833 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 09:17:50,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:17:50,124 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:17:50,124 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-10-16 09:17:50,124 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-10-16 09:17:50,125 INFO  L396      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)] ===
[2024-10-16 09:17:50,283 INFO  L85        PathProgramCache]: Analyzing trace with hash 1514334787, now seen corresponding path program 1 times
[2024-10-16 09:17:50,284 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 09:17:50,284 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 09:17:50,454 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 09:17:50,454 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-16 09:17:50,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 09:17:50,692 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 09:17:50,692 INFO  L85        PathProgramCache]: Analyzing trace with hash -2122940112, now seen corresponding path program 1 times
[2024-10-16 09:17:50,693 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 09:17:50,693 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517206923]
[2024-10-16 09:17:50,693 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 09:17:50,693 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 09:17:50,936 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 09:17:51,319 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-16 09:17:51,320 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 09:17:51,320 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517206923]
[2024-10-16 09:17:51,320 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517206923] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 09:17:51,321 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 09:17:51,321 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-10-16 09:17:51,321 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806517176]
[2024-10-16 09:17:51,321 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 09:17:51,322 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-16 09:17:51,323 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-16 09:17:51,323 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-16 09:17:51,323 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-16 09:17:51,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 09:17:51,324 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 09:17:51,324 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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)
[2024-10-16 09:17:51,324 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:17:51,324 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:17:51,325 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-10-16 09:17:51,325 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 09:20:15,174 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:20:15,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:20:15,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-10-16 09:20:15,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-16 09:20:15,175 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable5
[2024-10-16 09:20:15,175 INFO  L396      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)] ===
[2024-10-16 09:20:15,360 INFO  L85        PathProgramCache]: Analyzing trace with hash -213379038, now seen corresponding path program 1 times
[2024-10-16 09:20:15,360 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 09:20:15,360 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 09:20:15,503 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 09:20:15,503 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-16 09:20:15,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 09:20:15,632 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 09:20:15,632 INFO  L85        PathProgramCache]: Analyzing trace with hash 31973774, now seen corresponding path program 2 times
[2024-10-16 09:20:15,632 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 09:20:15,632 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609401110]
[2024-10-16 09:20:15,632 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 09:20:15,633 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 09:20:15,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 09:20:17,818 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-16 09:20:17,818 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 09:20:17,818 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609401110]
[2024-10-16 09:20:17,818 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609401110] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 09:20:17,818 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 09:20:17,818 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-10-16 09:20:17,818 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827656320]
[2024-10-16 09:20:17,819 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 09:20:17,819 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-10-16 09:20:17,819 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-16 09:20:17,820 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-10-16 09:20:17,820 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-10-16 09:20:17,820 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 09:20:17,820 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 09:20:17,822 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 8 states have internal predecessors, (41), 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)
[2024-10-16 09:20:17,822 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:20:17,822 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:20:17,822 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-10-16 09:20:17,823 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-10-16 09:20:17,823 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 09:22:27,868 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:22:27,869 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:22:27,869 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-10-16 09:22:27,869 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-16 09:22:27,869 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-10-16 09:22:27,869 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6
[2024-10-16 09:22:27,869 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-10-16 09:22:28,173 INFO  L85        PathProgramCache]: Analyzing trace with hash -1906952505, now seen corresponding path program 1 times
[2024-10-16 09:22:28,173 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 09:22:28,173 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 09:22:28,266 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 09:22:28,267 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-16 09:22:28,366 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 09:22:28,379 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 09:22:28,380 INFO  L85        PathProgramCache]: Analyzing trace with hash -510093340, now seen corresponding path program 3 times
[2024-10-16 09:22:28,380 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 09:22:28,380 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089345528]
[2024-10-16 09:22:28,380 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 09:22:28,380 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 09:22:28,564 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 09:22:30,723 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-16 09:22:30,724 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 09:22:30,724 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089345528]
[2024-10-16 09:22:30,724 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089345528] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 09:22:30,724 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 09:22:30,724 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-10-16 09:22:30,725 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800778200]
[2024-10-16 09:22:30,725 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 09:22:30,725 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-10-16 09:22:30,725 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-16 09:22:30,726 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-10-16 09:22:30,726 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90
[2024-10-16 09:22:30,726 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 09:22:30,726 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 09:22:30,727 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 4.1) internal successors, (41), 9 states have internal predecessors, (41), 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)
[2024-10-16 09:22:30,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:22:30,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:22:30,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-10-16 09:22:30,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-10-16 09:22:30,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2024-10-16 09:22:30,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 09:24:09,511 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:24:09,511 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-16 09:24:09,511 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-10-16 09:24:09,511 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-16 09:24:09,511 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-10-16 09:24:09,512 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-10-16 09:24:09,512 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable9
[2024-10-16 09:24:09,512 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-10-16 09:24:09,874 INFO  L85        PathProgramCache]: Analyzing trace with hash -1701577876, now seen corresponding path program 1 times
[2024-10-16 09:24:09,875 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 09:24:09,875 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 09:24:09,974 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 09:24:09,974 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-16 09:24:10,052 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 09:24:10,068 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 09:24:10,068 INFO  L85        PathProgramCache]: Analyzing trace with hash -543558284, now seen corresponding path program 4 times
[2024-10-16 09:24:10,068 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 09:24:10,069 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462821103]
[2024-10-16 09:24:10,069 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 09:24:10,069 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 09:24:10,359 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 09:24:10,359 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-16 09:24:10,495 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 09:24:10,510 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-10-16 09:24:10,511 INFO  L332         BasicCegarLoop]: Counterexample is feasible
[2024-10-16 09:24:10,511 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining)
[2024-10-16 09:24:10,511 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining)
[2024-10-16 09:24:10,512 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining)
[2024-10-16 09:24:10,513 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining)
[2024-10-16 09:24:10,513 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining)
[2024-10-16 09:24:10,513 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11
[2024-10-16 09:24:10,518 INFO  L414         BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1]
[2024-10-16 09:24:10,519 INFO  L312   ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/3)
[2024-10-16 09:24:10,637 INFO  L234   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-10-16 09:24:10,638 INFO  L165   ceAbstractionStarter]: Computing trace abstraction results
[2024-10-16 09:24:10,641 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 09:24:10 BasicIcfg
[2024-10-16 09:24:10,641 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-10-16 09:24:10,642 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-10-16 09:24:10,642 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-10-16 09:24:10,642 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-10-16 09:24:10,642 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:10:40" (3/4) ...
[2024-10-16 09:24:10,643 INFO  L133         WitnessPrinter]: Generating witness for reachability counterexample
[2024-10-16 09:24:10,784 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml
[2024-10-16 09:24:10,785 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-10-16 09:24:10,785 INFO  L158              Benchmark]: Toolchain (without parser) took 812330.39ms. Allocated memory was 67.1MB in the beginning and 2.1GB in the end (delta: 2.1GB). Free memory was 36.5MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 244.5MB. Max. memory is 16.1GB.
[2024-10-16 09:24:10,786 INFO  L158              Benchmark]: CDTParser took 0.11ms. Allocated memory is still 48.2MB. Free memory was 28.6MB in the beginning and 28.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-10-16 09:24:10,786 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 773.52ms. Allocated memory is still 67.1MB. Free memory was 36.3MB in the beginning and 37.6MB in the end (delta: -1.3MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB.
[2024-10-16 09:24:10,786 INFO  L158              Benchmark]: Boogie Procedure Inliner took 77.96ms. Allocated memory is still 67.1MB. Free memory was 37.6MB in the beginning and 33.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-10-16 09:24:10,786 INFO  L158              Benchmark]: Boogie Preprocessor took 59.58ms. Allocated memory is still 67.1MB. Free memory was 33.1MB in the beginning and 30.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-10-16 09:24:10,787 INFO  L158              Benchmark]: RCFGBuilder took 1221.56ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 30.1MB in the beginning and 37.0MB in the end (delta: -6.9MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB.
[2024-10-16 09:24:10,787 INFO  L158              Benchmark]: TraceAbstraction took 810047.43ms. Allocated memory was 86.0MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 35.9MB in the beginning and 1.9GB in the end (delta: -1.9GB). Peak memory consumption was 193.6MB. Max. memory is 16.1GB.
[2024-10-16 09:24:10,788 INFO  L158              Benchmark]: Witness Printer took 143.02ms. Allocated memory is still 2.1GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 30.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
[2024-10-16 09:24:10,789 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.11ms. Allocated memory is still 48.2MB. Free memory was 28.6MB in the beginning and 28.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 773.52ms. Allocated memory is still 67.1MB. Free memory was 36.3MB in the beginning and 37.6MB in the end (delta: -1.3MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 77.96ms. Allocated memory is still 67.1MB. Free memory was 37.6MB in the beginning and 33.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 59.58ms. Allocated memory is still 67.1MB. Free memory was 33.1MB in the beginning and 30.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1221.56ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 30.1MB in the beginning and 37.0MB in the end (delta: -6.9MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 810047.43ms. Allocated memory was 86.0MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 35.9MB in the beginning and 1.9GB in the end (delta: -1.9GB). Peak memory consumption was 193.6MB. Max. memory is 16.1GB.
 * Witness Printer took 143.02ms. Allocated memory is still 2.1GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 30.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Partial order reduction statistics
    Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 40111, independent: 37189, independent conditional: 35855, independent unconditional: 1334, dependent: 2922, dependent conditional: 2868, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40026, independent: 37189, independent conditional: 35855, independent unconditional: 1334, dependent: 2837, dependent conditional: 2784, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40026, independent: 37189, independent conditional: 35855, independent unconditional: 1334, dependent: 2837, dependent conditional: 2784, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 40026, independent: 37189, independent conditional: 35855, independent unconditional: 1334, dependent: 2837, dependent conditional: 2784, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46916, independent: 37189, independent conditional: 35855, independent unconditional: 1334, dependent: 9727, dependent conditional: 9621, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 46916, independent: 37189, independent conditional: 1269, independent unconditional: 35920, dependent: 9727, dependent conditional: 2133, dependent unconditional: 7594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46916, independent: 37189, independent conditional: 1269, independent unconditional: 35920, dependent: 9727, dependent conditional: 2133, dependent unconditional: 7594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1419, independent: 1340, independent conditional: 6, independent unconditional: 1334, dependent: 79, dependent conditional: 21, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1419, independent: 1322, independent conditional: 0, independent unconditional: 1322, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 97, independent: 18, independent conditional: 6, independent unconditional: 12, dependent: 79, dependent conditional: 21, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 97, independent: 18, independent conditional: 6, independent unconditional: 12, dependent: 79, dependent conditional: 21, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 319436, independent: 15354, independent conditional: 15103, independent unconditional: 251, dependent: 304082, dependent conditional: 99564, dependent unconditional: 204518, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 46916, independent: 35849, independent conditional: 1263, independent unconditional: 34586, dependent: 9648, dependent conditional: 2112, dependent unconditional: 7536, unknown: 1419, unknown conditional: 27, unknown unconditional: 1392] , Statistics on independence cache: Total cache size (in pairs): 1419, Positive cache size: 1340, Positive conditional cache size: 6, Positive unconditional cache size: 1334, Negative cache size: 79, Negative conditional cache size: 21, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42074, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46916, independent: 37189, independent conditional: 35855, independent unconditional: 1334, dependent: 9727, dependent conditional: 9621, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 46916, independent: 37189, independent conditional: 1269, independent unconditional: 35920, dependent: 9727, dependent conditional: 2133, dependent unconditional: 7594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46916, independent: 37189, independent conditional: 1269, independent unconditional: 35920, dependent: 9727, dependent conditional: 2133, dependent unconditional: 7594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1419, independent: 1340, independent conditional: 6, independent unconditional: 1334, dependent: 79, dependent conditional: 21, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1419, independent: 1322, independent conditional: 0, independent unconditional: 1322, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 97, independent: 18, independent conditional: 6, independent unconditional: 12, dependent: 79, dependent conditional: 21, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 97, independent: 18, independent conditional: 6, independent unconditional: 12, dependent: 79, dependent conditional: 21, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 319436, independent: 15354, independent conditional: 15103, independent unconditional: 251, dependent: 304082, dependent conditional: 99564, dependent unconditional: 204518, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 46916, independent: 35849, independent conditional: 1263, independent unconditional: 34586, dependent: 9648, dependent conditional: 2112, dependent unconditional: 7536, unknown: 1419, unknown conditional: 27, unknown unconditional: 1392] , Statistics on independence cache: Total cache size (in pairs): 1419, Positive cache size: 1340, Positive conditional cache size: 6, Positive unconditional cache size: 1334, Negative cache size: 79, Negative conditional cache size: 21, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42074 ], Independence queries for same thread: 85, Persistent sets #1 benchmarks: Persistent set computation time: 198.2s, Number of persistent set computation: 3828, Number of trivial persistent sets: 1417, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1387, independent: 1334, independent conditional: 0, independent unconditional: 1334, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 40111, independent: 37189, independent conditional: 35855, independent unconditional: 1334, dependent: 2922, dependent conditional: 2868, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40026, independent: 37189, independent conditional: 35855, independent unconditional: 1334, dependent: 2837, dependent conditional: 2784, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40026, independent: 37189, independent conditional: 35855, independent unconditional: 1334, dependent: 2837, dependent conditional: 2784, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 40026, independent: 37189, independent conditional: 35855, independent unconditional: 1334, dependent: 2837, dependent conditional: 2784, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46916, independent: 37189, independent conditional: 35855, independent unconditional: 1334, dependent: 9727, dependent conditional: 9621, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 46916, independent: 37189, independent conditional: 1269, independent unconditional: 35920, dependent: 9727, dependent conditional: 2133, dependent unconditional: 7594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46916, independent: 37189, independent conditional: 1269, independent unconditional: 35920, dependent: 9727, dependent conditional: 2133, dependent unconditional: 7594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1419, independent: 1340, independent conditional: 6, independent unconditional: 1334, dependent: 79, dependent conditional: 21, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1419, independent: 1322, independent conditional: 0, independent unconditional: 1322, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 97, independent: 18, independent conditional: 6, independent unconditional: 12, dependent: 79, dependent conditional: 21, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 97, independent: 18, independent conditional: 6, independent unconditional: 12, dependent: 79, dependent conditional: 21, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 319436, independent: 15354, independent conditional: 15103, independent unconditional: 251, dependent: 304082, dependent conditional: 99564, dependent unconditional: 204518, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 46916, independent: 35849, independent conditional: 1263, independent unconditional: 34586, dependent: 9648, dependent conditional: 2112, dependent unconditional: 7536, unknown: 1419, unknown conditional: 27, unknown unconditional: 1392] , Statistics on independence cache: Total cache size (in pairs): 1419, Positive cache size: 1340, Positive conditional cache size: 6, Positive unconditional cache size: 1334, Negative cache size: 79, Negative conditional cache size: 21, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42074, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46916, independent: 37189, independent conditional: 35855, independent unconditional: 1334, dependent: 9727, dependent conditional: 9621, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 46916, independent: 37189, independent conditional: 1269, independent unconditional: 35920, dependent: 9727, dependent conditional: 2133, dependent unconditional: 7594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46916, independent: 37189, independent conditional: 1269, independent unconditional: 35920, dependent: 9727, dependent conditional: 2133, dependent unconditional: 7594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1419, independent: 1340, independent conditional: 6, independent unconditional: 1334, dependent: 79, dependent conditional: 21, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1419, independent: 1322, independent conditional: 0, independent unconditional: 1322, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 97, independent: 18, independent conditional: 6, independent unconditional: 12, dependent: 79, dependent conditional: 21, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 97, independent: 18, independent conditional: 6, independent unconditional: 12, dependent: 79, dependent conditional: 21, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 319436, independent: 15354, independent conditional: 15103, independent unconditional: 251, dependent: 304082, dependent conditional: 99564, dependent unconditional: 204518, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 46916, independent: 35849, independent conditional: 1263, independent unconditional: 34586, dependent: 9648, dependent conditional: 2112, dependent unconditional: 7536, unknown: 1419, unknown conditional: 27, unknown unconditional: 1392] , Statistics on independence cache: Total cache size (in pairs): 1419, Positive cache size: 1340, Positive conditional cache size: 6, Positive unconditional cache size: 1334, Negative cache size: 79, Negative conditional cache size: 21, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42074 ], Independence queries for same thread: 85
  - StatisticsResult: Partial order reduction statistics
    Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 82488, independent: 80907, independent conditional: 79668, independent unconditional: 1239, dependent: 1581, dependent conditional: 1524, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 82187, independent: 80907, independent conditional: 79668, independent unconditional: 1239, dependent: 1280, dependent conditional: 1224, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 82187, independent: 80907, independent conditional: 79668, independent unconditional: 1239, dependent: 1280, dependent conditional: 1224, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 82187, independent: 80907, independent conditional: 79668, independent unconditional: 1239, dependent: 1280, dependent conditional: 1224, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 93884, independent: 80907, independent conditional: 79668, independent unconditional: 1239, dependent: 12977, dependent conditional: 12865, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 93884, independent: 80907, independent conditional: 2903, independent unconditional: 78004, dependent: 12977, dependent conditional: 650, dependent unconditional: 12327, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 93884, independent: 80907, independent conditional: 2903, independent unconditional: 78004, dependent: 12977, dependent conditional: 650, dependent unconditional: 12327, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1383, independent: 1281, independent conditional: 42, independent unconditional: 1239, dependent: 102, dependent conditional: 43, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1383, independent: 1224, independent conditional: 0, independent unconditional: 1224, dependent: 159, dependent conditional: 0, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 159, independent: 57, independent conditional: 42, independent unconditional: 15, dependent: 102, dependent conditional: 43, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 159, independent: 57, independent conditional: 42, independent unconditional: 15, dependent: 102, dependent conditional: 43, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 474650, independent: 99923, independent conditional: 99805, independent unconditional: 119, dependent: 374727, dependent conditional: 138245, dependent unconditional: 236482, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 93884, independent: 79626, independent conditional: 2861, independent unconditional: 76765, dependent: 12875, dependent conditional: 607, dependent unconditional: 12268, unknown: 1383, unknown conditional: 85, unknown unconditional: 1298] , Statistics on independence cache: Total cache size (in pairs): 1383, Positive cache size: 1281, Positive conditional cache size: 42, Positive unconditional cache size: 1239, Negative cache size: 102, Negative conditional cache size: 43, Negative unconditional cache size: 59, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 88980, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 93884, independent: 80907, independent conditional: 79668, independent unconditional: 1239, dependent: 12977, dependent conditional: 12865, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 93884, independent: 80907, independent conditional: 2903, independent unconditional: 78004, dependent: 12977, dependent conditional: 650, dependent unconditional: 12327, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 93884, independent: 80907, independent conditional: 2903, independent unconditional: 78004, dependent: 12977, dependent conditional: 650, dependent unconditional: 12327, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1383, independent: 1281, independent conditional: 42, independent unconditional: 1239, dependent: 102, dependent conditional: 43, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1383, independent: 1224, independent conditional: 0, independent unconditional: 1224, dependent: 159, dependent conditional: 0, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 159, independent: 57, independent conditional: 42, independent unconditional: 15, dependent: 102, dependent conditional: 43, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 159, independent: 57, independent conditional: 42, independent unconditional: 15, dependent: 102, dependent conditional: 43, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 474650, independent: 99923, independent conditional: 99805, independent unconditional: 119, dependent: 374727, dependent conditional: 138245, dependent unconditional: 236482, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 93884, independent: 79626, independent conditional: 2861, independent unconditional: 76765, dependent: 12875, dependent conditional: 607, dependent unconditional: 12268, unknown: 1383, unknown conditional: 85, unknown unconditional: 1298] , Statistics on independence cache: Total cache size (in pairs): 1383, Positive cache size: 1281, Positive conditional cache size: 42, Positive unconditional cache size: 1239, Negative cache size: 102, Negative conditional cache size: 43, Negative unconditional cache size: 59, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 88980 ], Independence queries for same thread: 301, Persistent sets #1 benchmarks: Persistent set computation time: 233.6s, Number of persistent set computation: 3860, Number of trivial persistent sets: 2072, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1295, independent: 1239, independent conditional: 0, independent unconditional: 1239, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 82488, independent: 80907, independent conditional: 79668, independent unconditional: 1239, dependent: 1581, dependent conditional: 1524, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 82187, independent: 80907, independent conditional: 79668, independent unconditional: 1239, dependent: 1280, dependent conditional: 1224, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 82187, independent: 80907, independent conditional: 79668, independent unconditional: 1239, dependent: 1280, dependent conditional: 1224, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 82187, independent: 80907, independent conditional: 79668, independent unconditional: 1239, dependent: 1280, dependent conditional: 1224, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 93884, independent: 80907, independent conditional: 79668, independent unconditional: 1239, dependent: 12977, dependent conditional: 12865, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 93884, independent: 80907, independent conditional: 2903, independent unconditional: 78004, dependent: 12977, dependent conditional: 650, dependent unconditional: 12327, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 93884, independent: 80907, independent conditional: 2903, independent unconditional: 78004, dependent: 12977, dependent conditional: 650, dependent unconditional: 12327, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1383, independent: 1281, independent conditional: 42, independent unconditional: 1239, dependent: 102, dependent conditional: 43, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1383, independent: 1224, independent conditional: 0, independent unconditional: 1224, dependent: 159, dependent conditional: 0, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 159, independent: 57, independent conditional: 42, independent unconditional: 15, dependent: 102, dependent conditional: 43, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 159, independent: 57, independent conditional: 42, independent unconditional: 15, dependent: 102, dependent conditional: 43, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 474650, independent: 99923, independent conditional: 99805, independent unconditional: 119, dependent: 374727, dependent conditional: 138245, dependent unconditional: 236482, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 93884, independent: 79626, independent conditional: 2861, independent unconditional: 76765, dependent: 12875, dependent conditional: 607, dependent unconditional: 12268, unknown: 1383, unknown conditional: 85, unknown unconditional: 1298] , Statistics on independence cache: Total cache size (in pairs): 1383, Positive cache size: 1281, Positive conditional cache size: 42, Positive unconditional cache size: 1239, Negative cache size: 102, Negative conditional cache size: 43, Negative unconditional cache size: 59, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 88980, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 93884, independent: 80907, independent conditional: 79668, independent unconditional: 1239, dependent: 12977, dependent conditional: 12865, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 93884, independent: 80907, independent conditional: 2903, independent unconditional: 78004, dependent: 12977, dependent conditional: 650, dependent unconditional: 12327, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 93884, independent: 80907, independent conditional: 2903, independent unconditional: 78004, dependent: 12977, dependent conditional: 650, dependent unconditional: 12327, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1383, independent: 1281, independent conditional: 42, independent unconditional: 1239, dependent: 102, dependent conditional: 43, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1383, independent: 1224, independent conditional: 0, independent unconditional: 1224, dependent: 159, dependent conditional: 0, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 159, independent: 57, independent conditional: 42, independent unconditional: 15, dependent: 102, dependent conditional: 43, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 159, independent: 57, independent conditional: 42, independent unconditional: 15, dependent: 102, dependent conditional: 43, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 474650, independent: 99923, independent conditional: 99805, independent unconditional: 119, dependent: 374727, dependent conditional: 138245, dependent unconditional: 236482, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 93884, independent: 79626, independent conditional: 2861, independent unconditional: 76765, dependent: 12875, dependent conditional: 607, dependent unconditional: 12268, unknown: 1383, unknown conditional: 85, unknown unconditional: 1298] , Statistics on independence cache: Total cache size (in pairs): 1383, Positive cache size: 1281, Positive conditional cache size: 42, Positive unconditional cache size: 1239, Negative cache size: 102, Negative conditional cache size: 43, Negative unconditional cache size: 59, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 88980 ], Independence queries for same thread: 301
  - 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;
[L712]               0  int __unbuffered_p2_EAX = 0;
[L714]               0  int __unbuffered_p2_EBX = 0;
[L716]               0  int __unbuffered_p3_EAX = 0;
[L718]               0  int __unbuffered_p3_EBX = 0;
[L720]               0  int a = 0;
[L721]               0  _Bool main$tmp_guard0;
[L722]               0  _Bool main$tmp_guard1;
[L724]               0  int x = 0;
[L726]               0  int y = 0;
[L727]               0  _Bool y$flush_delayed;
[L728]               0  int y$mem_tmp;
[L729]               0  _Bool y$r_buff0_thd0;
[L730]               0  _Bool y$r_buff0_thd1;
[L731]               0  _Bool y$r_buff0_thd2;
[L732]               0  _Bool y$r_buff0_thd3;
[L733]               0  _Bool y$r_buff0_thd4;
[L734]               0  _Bool y$r_buff1_thd0;
[L735]               0  _Bool y$r_buff1_thd1;
[L736]               0  _Bool y$r_buff1_thd2;
[L737]               0  _Bool y$r_buff1_thd3;
[L738]               0  _Bool y$r_buff1_thd4;
[L739]               0  _Bool y$read_delayed;
[L740]               0  int *y$read_delayed_var;
[L741]               0  int y$w_buff0;
[L742]               0  _Bool y$w_buff0_used;
[L743]               0  int y$w_buff1;
[L744]               0  _Bool y$w_buff1_used;
[L746]               0  int z = 0;
[L747]               0  _Bool z$flush_delayed;
[L748]               0  int z$mem_tmp;
[L749]               0  _Bool z$r_buff0_thd0;
[L750]               0  _Bool z$r_buff0_thd1;
[L751]               0  _Bool z$r_buff0_thd2;
[L752]               0  _Bool z$r_buff0_thd3;
[L753]               0  _Bool z$r_buff0_thd4;
[L754]               0  _Bool z$r_buff1_thd0;
[L755]               0  _Bool z$r_buff1_thd1;
[L756]               0  _Bool z$r_buff1_thd2;
[L757]               0  _Bool z$r_buff1_thd3;
[L758]               0  _Bool z$r_buff1_thd4;
[L759]               0  _Bool z$read_delayed;
[L760]               0  int *z$read_delayed_var;
[L761]               0  int z$w_buff0;
[L762]               0  _Bool z$w_buff0_used;
[L763]               0  int z$w_buff1;
[L764]               0  _Bool z$w_buff1_used;
[L765]               0  _Bool weak$$choice0;
[L766]               0  _Bool weak$$choice2;
[L923]               0  pthread_t t233;
[L924]  FCALL, FORK  0  pthread_create(&t233, ((void *)0), P0, ((void *)0))
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t233=-4, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L925]               0  pthread_t t234;
[L926]  FCALL, FORK  0  pthread_create(&t234, ((void *)0), P1, ((void *)0))
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t233=-4, t234=-3, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L927]               0  pthread_t t235;
[L928]  FCALL, FORK  0  pthread_create(&t235, ((void *)0), P2, ((void *)0))
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t233=-4, t234=-3, t235=-2, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L805]               3  y$w_buff1 = y$w_buff0
[L806]               3  y$w_buff0 = 2
[L807]               3  y$w_buff1_used = y$w_buff0_used
[L808]               3  y$w_buff0_used = (_Bool)1
[L809]  CALL         3  __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used))
[L18]   COND FALSE   3  !(!expression)
[L809]  RET          3  __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used))
[L810]               3  y$r_buff1_thd0 = y$r_buff0_thd0
[L811]               3  y$r_buff1_thd1 = y$r_buff0_thd1
[L812]               3  y$r_buff1_thd2 = y$r_buff0_thd2
[L813]               3  y$r_buff1_thd3 = y$r_buff0_thd3
[L814]               3  y$r_buff1_thd4 = y$r_buff0_thd4
[L815]               3  y$r_buff0_thd3 = (_Bool)1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L818]               3  weak$$choice0 = __VERIFIER_nondet_bool()
[L819]               3  weak$$choice2 = __VERIFIER_nondet_bool()
[L820]               3  y$flush_delayed = weak$$choice2
[L821]               3  y$mem_tmp = y
[L822]               3  y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1)
[L823]               3  y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0))
[L824]               3  y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1))
[L825]               3  y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used))
[L826]               3  y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L827]               3  y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3))
[L828]               3  y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L829]               3  __unbuffered_p2_EAX = y
[L830]               3  y = y$flush_delayed ? y$mem_tmp : y
[L831]               3  y$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L834]               3  weak$$choice0 = __VERIFIER_nondet_bool()
[L835]               3  weak$$choice2 = __VERIFIER_nondet_bool()
[L836]               3  z$flush_delayed = weak$$choice2
[L837]               3  z$mem_tmp = z
[L838]               3  z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1)
[L839]               3  z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0))
[L840]               3  z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1))
[L841]               3  z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used))
[L842]               3  z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L843]               3  z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3))
[L844]               3  z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L845]               3  __unbuffered_p2_EBX = z
[L846]               3  z = z$flush_delayed ? z$mem_tmp : z
[L847]               3  z$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=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, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L929]               0  pthread_t t236;
[L930]  FCALL, FORK  0  pthread_create(&t236, ((void *)0), P3, ((void *)0))
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t233=-4, t234=-3, t235=-2, t236=-1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L864]               4  z$w_buff1 = z$w_buff0
[L865]               4  z$w_buff0 = 1
[L866]               4  z$w_buff1_used = z$w_buff0_used
[L867]               4  z$w_buff0_used = (_Bool)1
[L868]  CALL         4  __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used))
[L18]   COND FALSE   4  !(!expression)
[L868]  RET          4  __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used))
[L869]               4  z$r_buff1_thd0 = z$r_buff0_thd0
[L870]               4  z$r_buff1_thd1 = z$r_buff0_thd1
[L871]               4  z$r_buff1_thd2 = z$r_buff0_thd2
[L872]               4  z$r_buff1_thd3 = z$r_buff0_thd3
[L873]               4  z$r_buff1_thd4 = z$r_buff0_thd4
[L874]               4  z$r_buff0_thd4 = (_Bool)1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L877]               4  weak$$choice0 = __VERIFIER_nondet_bool()
[L878]               4  weak$$choice2 = __VERIFIER_nondet_bool()
[L879]               4  z$flush_delayed = weak$$choice2
[L880]               4  z$mem_tmp = z
[L881]               4  z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1)
[L882]               4  z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0))
[L883]               4  z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1))
[L884]               4  z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used))
[L885]               4  z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0))
[L886]               4  z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4))
[L887]               4  z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0))
[L888]               4  __unbuffered_p3_EAX = z
[L889]               4  z = z$flush_delayed ? z$mem_tmp : z
[L890]               4  z$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L893]               4  __unbuffered_p3_EBX = a
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L896]               4  y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y)
[L897]               4  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used
[L898]               4  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used
[L899]               4  y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4
[L900]               4  y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4
[L901]               4  z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z)
[L902]               4  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used
[L903]               4  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used
[L904]               4  z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4
[L905]               4  z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L908]               4  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L910]               4  return 0;
[L770]               1  a = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L773]               1  x = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L785]               2  x = 2
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L788]               2  y = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L791]               2  y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)
[L792]               2  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used
[L793]               2  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used
[L794]               2  y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2
[L795]               2  y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L798]               2  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L800]               2  return 0;
[L850]               3  y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y)
[L851]               3  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used
[L852]               3  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used
[L853]               3  y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3
[L854]               3  y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L857]               3  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L859]               3  return 0;
[L778]               1  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L932]               0  main$tmp_guard0 = __unbuffered_cnt == 4
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t233=-4, t234=-3, t235=-2, t236=-1, weak$$choice0=1, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L934]  CALL         0  assume_abort_if_not(main$tmp_guard0)
[L3]    COND FALSE   0  !(!cond)
[L934]  RET          0  assume_abort_if_not(main$tmp_guard0)
[L936]               0  y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y)
[L937]               0  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used
[L938]               0  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used
[L939]               0  y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0
[L940]               0  y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0
[L941]               0  z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z)
[L942]               0  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used
[L943]               0  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used
[L944]               0  z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0
[L945]               0  z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t233=-4, t234=-3, t235=-2, t236=-1, weak$$choice0=1, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L948]               0  weak$$choice0 = __VERIFIER_nondet_bool()
[L949]               0  weak$$choice2 = __VERIFIER_nondet_bool()
[L950]               0  y$flush_delayed = weak$$choice2
[L951]               0  y$mem_tmp = y
[L952]               0  y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1)
[L953]               0  y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0))
[L954]               0  y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1))
[L955]               0  y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used))
[L956]               0  y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L957]               0  y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0))
[L958]               0  y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L959]               0  main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0)
[L960]               0  y = y$flush_delayed ? y$mem_tmp : y
[L961]               0  y$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t233=-4, t234=-3, t235=-2, t236=-1, weak$$choice0=1, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L963]  CALL         0  __VERIFIER_assert(main$tmp_guard1)
[L18]   COND TRUE    0  !expression
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L18]                0  reach_error()
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]

  - UnprovableResult [Line: 924]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 926]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 930]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 928]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P2Thread1of1ForFork0 with 1 thread instances
    CFG has 9 procedures, 87 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 321.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 320.6s, 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: 3, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.1s, ConditionalCommutativityCheckTime: 0.1s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 1, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 9 procedures, 87 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 487.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 477.6s, 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: 41, 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: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 1909 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 2.3s, ConditionalCommutativityCheckTime: 2.3s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 14, ConditionalCommutativityTraceChecks: 4, ConditionalCommutativityImperfectProofs: 0
RESULT: Ultimate proved your program to be incorrect!
[2024-10-16 09:24:10,853 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0
[2024-10-16 09:24:11,047 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2024-10-16 09:24:11,224 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...