This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m
[2024-10-16 13:04:45,428 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-16 13:04:45,512 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-10-16 13:04:45,516 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-16 13:04:45,517 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-16 13:04:45,550 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-16 13:04:45,553 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-16 13:04:45,554 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-16 13:04:45,554 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-16 13:04:45,555 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-16 13:04:45,555 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-16 13:04:45,556 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-16 13:04:45,556 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-16 13:04:45,558 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-16 13:04:45,558 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-16 13:04:45,559 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-10-16 13:04:45,559 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-16 13:04:45,560 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-10-16 13:04:45,562 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-16 13:04:45,562 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-16 13:04:45,562 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-16 13:04:45,563 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-16 13:04:45,563 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-16 13:04:45,563 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-10-16 13:04:45,564 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-16 13:04:45,564 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-16 13:04:45,564 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-16 13:04:45,565 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-16 13:04:45,565 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-16 13:04:45,565 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-16 13:04:45,566 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-16 13:04:45,566 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-16 13:04:45,566 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-16 13:04:45,567 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2024-10-16 13:04:45,567 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-16 13:04:45,567 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-16 13:04:45,567 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-10-16 13:04:45,568 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-16 13:04:45,568 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-16 13:04:45,569 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-10-16 13:04:45,569 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-10-16 13:04:45,569 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 -> 62e921ac3b02bdecb866366797768eb8fcdb22a87147dc14adf7fddb42ab9cb2
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 -> SYMBOLIC_RELATION
[2024-10-16 13:04:45,904 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-16 13:04:45,928 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-16 13:04:45,931 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-16 13:04:45,932 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-16 13:04:45,932 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-16 13:04:45,934 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi007_tso.i
[2024-10-16 13:04:47,442 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-16 13:04:47,690 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-16 13:04:47,691 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi007_tso.i
[2024-10-16 13:04:47,710 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aadbe26e3/63e17fcdfc0b4ec3b861317ca1a68fbf/FLAG29d424f9c
[2024-10-16 13:04:47,723 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aadbe26e3/63e17fcdfc0b4ec3b861317ca1a68fbf
[2024-10-16 13:04:47,725 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-16 13:04:47,726 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-16 13:04:47,728 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-16 13:04:47,728 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-16 13:04:47,733 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-16 13:04:47,734 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:04:47" (1/1) ...
[2024-10-16 13:04:47,735 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bbfa893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:04:47, skipping insertion in model container
[2024-10-16 13:04:47,735 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:04:47" (1/1) ...
[2024-10-16 13:04:47,792 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-16 13:04:48,007 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/rfi007_tso.i[944,957]
[2024-10-16 13:04:48,211 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-16 13:04:48,223 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-16 13:04:48,235 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/rfi007_tso.i[944,957]
[2024-10-16 13:04:48,290 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-16 13:04:48,333 INFO  L204         MainTranslator]: Completed translation
[2024-10-16 13:04:48,333 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:04:48 WrapperNode
[2024-10-16 13:04:48,334 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-16 13:04:48,335 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-16 13:04:48,335 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-16 13:04:48,335 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-16 13:04:48,342 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:04:48" (1/1) ...
[2024-10-16 13:04:48,364 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:04:48" (1/1) ...
[2024-10-16 13:04:48,401 INFO  L138                Inliner]: procedures = 174, calls = 35, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 145
[2024-10-16 13:04:48,401 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-16 13:04:48,402 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-16 13:04:48,405 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-16 13:04:48,405 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-16 13:04:48,413 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:04:48" (1/1) ...
[2024-10-16 13:04:48,413 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:04:48" (1/1) ...
[2024-10-16 13:04:48,417 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:04:48" (1/1) ...
[2024-10-16 13:04:48,417 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:04:48" (1/1) ...
[2024-10-16 13:04:48,427 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:04:48" (1/1) ...
[2024-10-16 13:04:48,429 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:04:48" (1/1) ...
[2024-10-16 13:04:48,430 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:04:48" (1/1) ...
[2024-10-16 13:04:48,432 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:04:48" (1/1) ...
[2024-10-16 13:04:48,434 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-16 13:04:48,435 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-16 13:04:48,435 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-16 13:04:48,435 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-16 13:04:48,439 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:04:48" (1/1) ...
[2024-10-16 13:04:48,447 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-16 13:04:48,457 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-16 13:04:48,471 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 13:04:48,473 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 13:04:48,507 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-10-16 13:04:48,508 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-16 13:04:48,508 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2024-10-16 13:04:48,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2024-10-16 13:04:48,508 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2024-10-16 13:04:48,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2024-10-16 13:04:48,508 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-10-16 13:04:48,508 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-10-16 13:04:48,508 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-16 13:04:48,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-16 13:04:48,510 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 13:04:48,622 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-16 13:04:48,624 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-16 13:04:48,931 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-10-16 13:04:48,932 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-16 13:04:49,136 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-16 13:04:49,139 INFO  L314             CfgBuilder]: Removed 0 assume(true) statements.
[2024-10-16 13:04:49,139 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:04:49 BoogieIcfgContainer
[2024-10-16 13:04:49,139 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-16 13:04:49,141 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-16 13:04:49,141 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-16 13:04:49,145 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-16 13:04:49,145 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:04:47" (1/3) ...
[2024-10-16 13:04:49,146 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434f7521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:04:49, skipping insertion in model container
[2024-10-16 13:04:49,146 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:04:48" (2/3) ...
[2024-10-16 13:04:49,147 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434f7521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:04:49, skipping insertion in model container
[2024-10-16 13:04:49,148 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:04:49" (3/3) ...
[2024-10-16 13:04:49,149 INFO  L112   eAbstractionObserver]: Analyzing ICFG rfi007_tso.i
[2024-10-16 13:04:49,161 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-16 13:04:49,161 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-10-16 13:04:49,161 INFO  L484   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-10-16 13:04:49,201 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-10-16 13:04:49,245 INFO  L106   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-16 13:04:49,245 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-10-16 13:04:49,245 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-16 13:04:49,247 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 13:04:49,249 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 13:04:49,347 INFO  L194   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-10-16 13:04:49,371 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 13:04:49,373 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-10-16 13:04:49,382 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;@235f7ac9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false
[2024-10-16 13:04:49,382 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-10-16 13:04:56,600 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-10-16 13:04:56,605 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 13:04:56,606 INFO  L85        PathProgramCache]: Analyzing trace with hash 1341770786, now seen corresponding path program 1 times
[2024-10-16 13:04:56,614 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 13:04:56,615 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747564015]
[2024-10-16 13:04:56,615 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 13:04:56,615 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 13:04:56,796 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 13:04:57,270 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 13:04:57,270 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 13:04:57,270 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747564015]
[2024-10-16 13:04:57,271 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747564015] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 13:04:57,271 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 13:04:57,271 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-16 13:04:57,273 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801878345]
[2024-10-16 13:04:57,274 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 13:04:57,278 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-16 13:04:57,278 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-16 13:04:57,301 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-16 13:04:57,302 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-16 13:04:57,302 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 13:04:57,304 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 13:04:57,305 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 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 13:04:57,305 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 13:05:42,063 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-16 13:05:42,063 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-16 13:05:42,063 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-10-16 13:05:42,065 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 13:05:42,065 INFO  L85        PathProgramCache]: Analyzing trace with hash -2139049730, now seen corresponding path program 1 times
[2024-10-16 13:05:42,065 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 13:05:42,066 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225923486]
[2024-10-16 13:05:42,066 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 13:05:42,066 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 13:05:42,231 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 13:05:42,467 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 13:05:42,467 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 13:05:42,468 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225923486]
[2024-10-16 13:05:42,468 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225923486] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 13:05:42,468 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 13:05:42,468 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-16 13:05:42,469 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863179899]
[2024-10-16 13:05:42,469 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 13:05:42,470 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-16 13:05:42,470 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-16 13:05:42,471 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-16 13:05:42,471 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-10-16 13:05:42,471 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 13:05:42,471 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 13:05:42,472 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 13:05:42,472 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-10-16 13:05:42,472 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 13:05:42,588 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-16 13:05:42,589 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-16 13:05:42,589 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-16 13:05:42,589 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-10-16 13:05:42,666 INFO  L85        PathProgramCache]: Analyzing trace with hash 698746790, now seen corresponding path program 1 times
[2024-10-16 13:05:42,667 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 13:05:42,668 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 13:05:42,750 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 13:05:42,751 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-16 13:05:42,821 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 13:05:42,850 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 13:05:42,851 INFO  L85        PathProgramCache]: Analyzing trace with hash 1967587080, now seen corresponding path program 1 times
[2024-10-16 13:05:42,851 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 13:05:42,851 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986482411]
[2024-10-16 13:05:42,851 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 13:05:42,852 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 13:05:42,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 13:05:45,504 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 13:05:45,506 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 13:05:45,506 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986482411]
[2024-10-16 13:05:45,506 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986482411] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 13:05:45,506 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 13:05:45,506 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-10-16 13:05:45,507 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716630908]
[2024-10-16 13:05:45,507 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 13:05:45,507 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-10-16 13:05:45,507 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-16 13:05:45,508 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-10-16 13:05:45,511 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2024-10-16 13:05:45,511 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 13:05:45,511 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 13:05:45,511 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 10 states have internal predecessors, (24), 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 13:05:45,511 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-10-16 13:05:45,511 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-10-16 13:05:45,512 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 13:05:53,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-16 13:05:53,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-16 13:05:53,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-10-16 13:05:53,800 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2
[2024-10-16 13:05:53,800 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-10-16 13:05:55,093 INFO  L85        PathProgramCache]: Analyzing trace with hash 921739622, now seen corresponding path program 1 times
[2024-10-16 13:05:55,093 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 13:05:55,093 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 13:05:55,128 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 13:05:55,129 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-16 13:05:55,161 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 13:05:55,241 INFO  L85        PathProgramCache]: Analyzing trace with hash 1937318326, now seen corresponding path program 1 times
[2024-10-16 13:05:55,241 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 13:05:55,242 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 13:05:55,286 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 13:05:55,287 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-16 13:05:55,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 13:05:55,331 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 13:05:55,332 INFO  L85        PathProgramCache]: Analyzing trace with hash 1754257176, now seen corresponding path program 2 times
[2024-10-16 13:05:55,334 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 13:05:55,335 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990900000]
[2024-10-16 13:05:55,335 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 13:05:55,335 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 13:05:55,468 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 13:05:55,469 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-16 13:05:55,570 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 13:05:55,584 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-10-16 13:05:55,588 INFO  L332         BasicCegarLoop]: Counterexample is feasible
[2024-10-16 13:05:55,589 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2024-10-16 13:05:55,591 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2024-10-16 13:05:55,591 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2024-10-16 13:05:55,592 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5
[2024-10-16 13:05:55,604 INFO  L414         BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1]
[2024-10-16 13:05:55,608 INFO  L312   ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (1/2)
[2024-10-16 13:05:55,674 INFO  L234   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-10-16 13:05:55,676 INFO  L165   ceAbstractionStarter]: Computing trace abstraction results
[2024-10-16 13:05:55,680 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:05:55 BasicIcfg
[2024-10-16 13:05:55,680 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-10-16 13:05:55,681 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-10-16 13:05:55,685 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-10-16 13:05:55,685 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-10-16 13:05:55,686 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:04:49" (3/4) ...
[2024-10-16 13:05:55,687 INFO  L133         WitnessPrinter]: Generating witness for reachability counterexample
[2024-10-16 13:05:55,778 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml
[2024-10-16 13:05:55,781 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-10-16 13:05:55,781 INFO  L158              Benchmark]: Toolchain (without parser) took 68055.12ms. Allocated memory was 83.9MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 49.2MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB.
[2024-10-16 13:05:55,782 INFO  L158              Benchmark]: CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory was 28.7MB in the beginning and 28.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-10-16 13:05:55,782 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 606.02ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 44.2MB in the end (delta: 4.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB.
[2024-10-16 13:05:55,782 INFO  L158              Benchmark]: Boogie Procedure Inliner took 66.96ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 41.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-16 13:05:55,783 INFO  L158              Benchmark]: Boogie Preprocessor took 32.22ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 39.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-16 13:05:55,783 INFO  L158              Benchmark]: RCFGBuilder took 704.22ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 49.2MB in the end (delta: -10.1MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB.
[2024-10-16 13:05:55,783 INFO  L158              Benchmark]: TraceAbstraction took 66539.32ms. Allocated memory was 83.9MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 48.2MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB.
[2024-10-16 13:05:55,783 INFO  L158              Benchmark]: Witness Printer took 99.95ms. Allocated memory is still 1.5GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-10-16 13:05:55,785 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory was 28.7MB in the beginning and 28.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 606.02ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 44.2MB in the end (delta: 4.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 66.96ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 41.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 32.22ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 39.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 704.22ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 49.2MB in the end (delta: -10.1MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB.
 * TraceAbstraction took 66539.32ms. Allocated memory was 83.9MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 48.2MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB.
 * Witness Printer took 99.95ms. Allocated memory is still 1.5GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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: 575, independent: 527, independent conditional: 263, independent unconditional: 264, dependent: 48, dependent conditional: 23, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 567, independent: 527, independent conditional: 263, independent unconditional: 264, dependent: 40, dependent conditional: 16, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 567, independent: 527, independent conditional: 263, independent unconditional: 264, dependent: 40, dependent conditional: 16, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 567, independent: 527, independent conditional: 263, independent unconditional: 264, dependent: 40, dependent conditional: 16, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 636, independent: 527, independent conditional: 263, independent unconditional: 264, dependent: 109, dependent conditional: 61, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 636, independent: 527, independent conditional: 5, independent unconditional: 522, dependent: 109, dependent conditional: 16, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 636, independent: 527, independent conditional: 5, independent unconditional: 522, dependent: 109, dependent conditional: 16, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 299, independent: 267, independent conditional: 3, independent unconditional: 264, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 299, independent: 261, independent conditional: 0, independent unconditional: 261, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59759, independent: 138, independent conditional: 50, independent unconditional: 87, dependent: 59621, dependent conditional: 13636, dependent unconditional: 45985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 636, independent: 260, independent conditional: 2, independent unconditional: 258, dependent: 77, dependent conditional: 8, dependent unconditional: 69, unknown: 299, unknown conditional: 11, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 299, Positive cache size: 267, Positive conditional cache size: 3, Positive unconditional cache size: 264, Negative cache size: 32, Negative conditional cache size: 8, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 303, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 636, independent: 527, independent conditional: 263, independent unconditional: 264, dependent: 109, dependent conditional: 61, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 636, independent: 527, independent conditional: 5, independent unconditional: 522, dependent: 109, dependent conditional: 16, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 636, independent: 527, independent conditional: 5, independent unconditional: 522, dependent: 109, dependent conditional: 16, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 299, independent: 267, independent conditional: 3, independent unconditional: 264, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 299, independent: 261, independent conditional: 0, independent unconditional: 261, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59759, independent: 138, independent conditional: 50, independent unconditional: 87, dependent: 59621, dependent conditional: 13636, dependent unconditional: 45985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 636, independent: 260, independent conditional: 2, independent unconditional: 258, dependent: 77, dependent conditional: 8, dependent unconditional: 69, unknown: 299, unknown conditional: 11, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 299, Positive cache size: 267, Positive conditional cache size: 3, Positive unconditional cache size: 264, Negative cache size: 32, Negative conditional cache size: 8, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 303 ], Independence queries for same thread: 8, Persistent sets #1 benchmarks: Persistent set computation time: 46.1s, Number of persistent set computation: 94, Number of trivial persistent sets: 44, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 288, independent: 264, independent conditional: 0, independent unconditional: 264, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 575, independent: 527, independent conditional: 263, independent unconditional: 264, dependent: 48, dependent conditional: 23, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 567, independent: 527, independent conditional: 263, independent unconditional: 264, dependent: 40, dependent conditional: 16, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 567, independent: 527, independent conditional: 263, independent unconditional: 264, dependent: 40, dependent conditional: 16, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 567, independent: 527, independent conditional: 263, independent unconditional: 264, dependent: 40, dependent conditional: 16, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 636, independent: 527, independent conditional: 263, independent unconditional: 264, dependent: 109, dependent conditional: 61, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 636, independent: 527, independent conditional: 5, independent unconditional: 522, dependent: 109, dependent conditional: 16, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 636, independent: 527, independent conditional: 5, independent unconditional: 522, dependent: 109, dependent conditional: 16, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 299, independent: 267, independent conditional: 3, independent unconditional: 264, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 299, independent: 261, independent conditional: 0, independent unconditional: 261, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59759, independent: 138, independent conditional: 50, independent unconditional: 87, dependent: 59621, dependent conditional: 13636, dependent unconditional: 45985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 636, independent: 260, independent conditional: 2, independent unconditional: 258, dependent: 77, dependent conditional: 8, dependent unconditional: 69, unknown: 299, unknown conditional: 11, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 299, Positive cache size: 267, Positive conditional cache size: 3, Positive unconditional cache size: 264, Negative cache size: 32, Negative conditional cache size: 8, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 303, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 636, independent: 527, independent conditional: 263, independent unconditional: 264, dependent: 109, dependent conditional: 61, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 636, independent: 527, independent conditional: 5, independent unconditional: 522, dependent: 109, dependent conditional: 16, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 636, independent: 527, independent conditional: 5, independent unconditional: 522, dependent: 109, dependent conditional: 16, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 299, independent: 267, independent conditional: 3, independent unconditional: 264, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 299, independent: 261, independent conditional: 0, independent unconditional: 261, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59759, independent: 138, independent conditional: 50, independent unconditional: 87, dependent: 59621, dependent conditional: 13636, dependent unconditional: 45985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 636, independent: 260, independent conditional: 2, independent unconditional: 258, dependent: 77, dependent conditional: 8, dependent unconditional: 69, unknown: 299, unknown conditional: 11, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 299, Positive cache size: 267, Positive conditional cache size: 3, Positive unconditional cache size: 264, Negative cache size: 32, Negative conditional cache size: 8, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 303 ], Independence queries for same thread: 8
  - CounterExampleResult [Line: 18]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L708]               0  int __unbuffered_cnt = 0;
[L710]               0  int __unbuffered_p1_EAX = 0;
[L712]               0  int __unbuffered_p1_EBX = 0;
[L713]               0  _Bool main$tmp_guard0;
[L714]               0  _Bool main$tmp_guard1;
[L716]               0  int x = 0;
[L718]               0  int y = 0;
[L719]               0  _Bool y$flush_delayed;
[L720]               0  int y$mem_tmp;
[L721]               0  _Bool y$r_buff0_thd0;
[L722]               0  _Bool y$r_buff0_thd1;
[L723]               0  _Bool y$r_buff0_thd2;
[L724]               0  _Bool y$r_buff1_thd0;
[L725]               0  _Bool y$r_buff1_thd1;
[L726]               0  _Bool y$r_buff1_thd2;
[L727]               0  _Bool y$read_delayed;
[L728]               0  int *y$read_delayed_var;
[L729]               0  int y$w_buff0;
[L730]               0  _Bool y$w_buff0_used;
[L731]               0  int y$w_buff1;
[L732]               0  _Bool y$w_buff1_used;
[L733]               0  _Bool weak$$choice0;
[L734]               0  _Bool weak$$choice2;
[L810]               0  pthread_t t1717;
[L811]  FCALL, FORK  0  pthread_create(&t1717, ((void *)0), P0, ((void *)0))
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1717=-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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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]
[L812]               0  pthread_t t1718;
[L813]  FCALL, FORK  0  pthread_create(&t1718, ((void *)0), P1, ((void *)0))
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1717=-1, t1718=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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]
[L758]               2  y$w_buff1 = y$w_buff0
[L759]               2  y$w_buff0 = 2
[L760]               2  y$w_buff1_used = y$w_buff0_used
[L761]               2  y$w_buff0_used = (_Bool)1
[L762]  CALL         2  __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used))
[L18]   COND FALSE   2  !(!expression)
[L762]  RET          2  __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used))
[L763]               2  y$r_buff1_thd0 = y$r_buff0_thd0
[L764]               2  y$r_buff1_thd1 = y$r_buff0_thd1
[L765]               2  y$r_buff1_thd2 = y$r_buff0_thd2
[L766]               2  y$r_buff0_thd2 = (_Bool)1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$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$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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]
[L769]               2  weak$$choice0 = __VERIFIER_nondet_bool()
[L770]               2  weak$$choice2 = __VERIFIER_nondet_bool()
[L771]               2  y$flush_delayed = weak$$choice2
[L772]               2  y$mem_tmp = y
[L773]               2  y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1)
[L774]               2  y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0))
[L775]               2  y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1))
[L776]               2  y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used))
[L777]               2  y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L778]               2  y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2))
[L779]               2  y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L780]               2  __unbuffered_p1_EAX = y
[L781]               2  y = y$flush_delayed ? y$mem_tmp : y
[L782]               2  y$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0]
[L785]               2  __unbuffered_p1_EBX = x
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0]
[L738]               1  x = 1
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0]
[L741]               1  y = 1
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1]
[L788]               2  y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)
[L789]               2  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used
[L790]               2  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used
[L791]               2  y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2
[L792]               2  y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2]
[L795]               2  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2]
[L797]               2  return 0;
[L744]               1  y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y)
[L745]               1  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used
[L746]               1  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used
[L747]               1  y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1
[L748]               1  y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2]
[L751]               1  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2]
[L815]               0  main$tmp_guard0 = __unbuffered_cnt == 2
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1717=-1, t1718=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2]
[L817]  CALL         0  assume_abort_if_not(main$tmp_guard0)
[L3]    COND FALSE   0  !(!cond)
[L817]  RET          0  assume_abort_if_not(main$tmp_guard0)
[L819]               0  y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y)
[L820]               0  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used
[L821]               0  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used
[L822]               0  y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0
[L823]               0  y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1717=-1, t1718=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2]
[L826]               0  weak$$choice0 = __VERIFIER_nondet_bool()
[L827]               0  weak$$choice2 = __VERIFIER_nondet_bool()
[L828]               0  y$flush_delayed = weak$$choice2
[L829]               0  y$mem_tmp = y
[L830]               0  y = !y$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)
[L831]               0  y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0))
[L832]               0  y$w_buff1 = weak$$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$w_buff1))
[L833]               0  y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used))
[L834]               0  y$w_buff1_used = weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L835]               0  y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0))
[L836]               0  y$r_buff1_thd0 = weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L837]               0  main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0)
[L838]               0  y = y$flush_delayed ? y$mem_tmp : y
[L839]               0  y$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1717=-1, t1718=0, weak$$choice0=1, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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]
[L841]  CALL         0  __VERIFIER_assert(main$tmp_guard1)
[L18]   COND TRUE    0  !expression
        VAL             [\old(arg)={0:0}, \old(expression)=0, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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]
[L18]                0  reach_error()
        VAL             [\old(arg)={0:0}, \old(expression)=0, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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]

  - UnprovableResult [Line: 811]: 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: 813]: 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: ULTIMATE.start with 1 thread instances
    CFG has 5 procedures, 49 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 66.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 60.4s, 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: 20, 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, 0.5s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 793 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 1.8s, ConditionalCommutativityCheckTime: 1.8s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 7, ConditionalCommutativityTraceChecks: 3, ConditionalCommutativityImperfectProofs: 0
RESULT: Ultimate proved your program to be incorrect!
[2024-10-16 13:05:55,822 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-10-16 13:05:56,011 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...