This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m
[2024-10-16 09:32:01,849 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-10-16 09:32:01,937 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-10-16 09:32:01,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-10-16 09:32:01,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-16 09:32:01,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-16 09:32:01,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-16 09:32:01,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-16 09:32:01,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-16 09:32:01,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-16 09:32:01,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-16 09:32:01,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-10-16 09:32:01,983 INFO L153 SettingsManager]: * Use SBE=true
[2024-10-16 09:32:01,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-16 09:32:01,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-10-16 09:32:01,986 INFO L153 SettingsManager]: * sizeof long=4
[2024-10-16 09:32:01,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-10-16 09:32:01,987 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-10-16 09:32:01,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-10-16 09:32:01,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-10-16 09:32:01,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-16 09:32:01,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-10-16 09:32:01,990 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-10-16 09:32:01,991 INFO L153 SettingsManager]: * sizeof long double=12
[2024-10-16 09:32:01,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-10-16 09:32:01,992 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-10-16 09:32:01,992 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-16 09:32:01,993 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-10-16 09:32:01,993 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-10-16 09:32:01,993 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-10-16 09:32:01,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-16 09:32:01,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-16 09:32:01,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-10-16 09:32:01,995 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-10-16 09:32:01,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-16 09:32:01,996 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-16 09:32:01,996 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-10-16 09:32:01,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-16 09:32:01,997 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-10-16 09:32:01,997 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-10-16 09:32:01,998 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-10-16 09:32:01,998 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 -> 0f51f8e84e29dbf7268818c0bd5364f23c52e80cf2778700bc9afe3da3c44b42
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 09:32:02,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-16 09:32:02,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-16 09:32:02,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-16 09:32:02,336 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-10-16 09:32:02,337 INFO L274 PluginConnector]: CDTParser initialized
[2024-10-16 09:32:02,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi005.i
[2024-10-16 09:32:03,983 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-10-16 09:32:04,281 INFO L384 CDTParser]: Found 1 translation units.
[2024-10-16 09:32:04,285 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi005.i
[2024-10-16 09:32:04,309 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/12c0712ab/eba4781a5fd04909b5416b7b059ab481/FLAG65636f8d1
[2024-10-16 09:32:04,569 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/12c0712ab/eba4781a5fd04909b5416b7b059ab481
[2024-10-16 09:32:04,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-16 09:32:04,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-16 09:32:04,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-16 09:32:04,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-16 09:32:04,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-16 09:32:04,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:32:04" (1/1) ...
[2024-10-16 09:32:04,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f67107e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:32:04, skipping insertion in model container
[2024-10-16 09:32:04,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:32:04" (1/1) ...
[2024-10-16 09:32:04,638 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-10-16 09:32:04,848 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/rfi005.i[983,996]
[2024-10-16 09:32:05,070 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-10-16 09:32:05,083 INFO L200 MainTranslator]: Completed pre-run
[2024-10-16 09:32:05,096 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/rfi005.i[983,996]
[2024-10-16 09:32:05,164 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-10-16 09:32:05,213 INFO L204 MainTranslator]: Completed translation
[2024-10-16 09:32:05,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:32:05 WrapperNode
[2024-10-16 09:32:05,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-16 09:32:05,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-16 09:32:05,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-16 09:32:05,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-16 09:32:05,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:32:05" (1/1) ...
[2024-10-16 09:32:05,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:32:05" (1/1) ...
[2024-10-16 09:32:05,291 INFO L138 Inliner]: procedures = 174, calls = 40, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 163
[2024-10-16 09:32:05,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-16 09:32:05,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-16 09:32:05,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-16 09:32:05,296 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-10-16 09:32:05,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:32:05" (1/1) ...
[2024-10-16 09:32:05,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:32:05" (1/1) ...
[2024-10-16 09:32:05,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:32:05" (1/1) ...
[2024-10-16 09:32:05,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:32:05" (1/1) ...
[2024-10-16 09:32:05,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:32:05" (1/1) ...
[2024-10-16 09:32:05,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:32:05" (1/1) ...
[2024-10-16 09:32:05,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:32:05" (1/1) ...
[2024-10-16 09:32:05,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:32:05" (1/1) ...
[2024-10-16 09:32:05,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-16 09:32:05,347 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-16 09:32:05,351 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-10-16 09:32:05,351 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-10-16 09:32:05,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:32:05" (1/1) ...
[2024-10-16 09:32:05,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-16 09:32:05,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-16 09:32:05,391 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 09:32:05,394 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 09:32:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-10-16 09:32:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-16 09:32:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-10-16 09:32:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-10-16 09:32:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-10-16 09:32:05,449 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-10-16 09:32:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-10-16 09:32:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-10-16 09:32:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-16 09:32:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-16 09:32:05,452 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 09:32:05,611 INFO L238 CfgBuilder]: Building ICFG
[2024-10-16 09:32:05,613 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-16 09:32:05,954 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-10-16 09:32:05,954 INFO L287 CfgBuilder]: Performing block encoding
[2024-10-16 09:32:06,230 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-16 09:32:06,230 INFO L314 CfgBuilder]: Removed 0 assume(true) statements.
[2024-10-16 09:32:06,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:32:06 BoogieIcfgContainer
[2024-10-16 09:32:06,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-16 09:32:06,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-16 09:32:06,234 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-10-16 09:32:06,237 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-10-16 09:32:06,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 09:32:04" (1/3) ...
[2024-10-16 09:32:06,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@707bc77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 09:32:06, skipping insertion in model container
[2024-10-16 09:32:06,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:32:05" (2/3) ...
[2024-10-16 09:32:06,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@707bc77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 09:32:06, skipping insertion in model container
[2024-10-16 09:32:06,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:32:06" (3/3) ...
[2024-10-16 09:32:06,240 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi005.i
[2024-10-16 09:32:06,256 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-16 09:32:06,256 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2024-10-16 09:32:06,256 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-10-16 09:32:06,310 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-10-16 09:32:06,355 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-16 09:32:06,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-10-16 09:32:06,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-16 09:32:06,357 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 09:32:06,364 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 09:32:06,457 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-10-16 09:32:06,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 09:32:06,481 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ========
[2024-10-16 09:32:06,488 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;@3c396b46, 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 09:32:06,489 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-10-16 09:32:09,938 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-16 09:32:10,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 09:32:10,022 INFO L85 PathProgramCache]: Analyzing trace with hash -201681913, now seen corresponding path program 1 times
[2024-10-16 09:32:10,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 09:32:10,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880532780]
[2024-10-16 09:32:10,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 09:32:10,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 09:32:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 09:32:10,451 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 09:32:10,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 09:32:10,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880532780]
[2024-10-16 09:32:10,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880532780] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 09:32:10,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 09:32:10,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-10-16 09:32:10,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825511176]
[2024-10-16 09:32:10,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 09:32:10,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-16 09:32:10,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-16 09:32:10,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-16 09:32:10,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-16 09:32:10,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-16 09:32:10,501 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 09:32:10,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 09:32:10,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-16 09:32:13,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-16 09:32:13,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-16 09:32:13,259 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-16 09:32:13,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 09:32:13,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1957171564, now seen corresponding path program 1 times
[2024-10-16 09:32:13,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 09:32:13,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951536287]
[2024-10-16 09:32:13,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 09:32:13,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 09:32:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 09:32:13,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-16 09:32:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 09:32:13,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-10-16 09:32:13,402 INFO L332 BasicCegarLoop]: Counterexample is feasible
[2024-10-16 09:32:13,403 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining)
[2024-10-16 09:32:13,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining)
[2024-10-16 09:32:13,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-16 09:32:13,413 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-10-16 09:32:13,415 INFO L312 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was UNSAFE,UNKNOWN (1/2)
[2024-10-16 09:32:13,447 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-10-16 09:32:13,447 INFO L165 ceAbstractionStarter]: Computing trace abstraction results
[2024-10-16 09:32:13,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 09:32:13 BasicIcfg
[2024-10-16 09:32:13,452 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-10-16 09:32:13,454 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-10-16 09:32:13,454 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-10-16 09:32:13,454 INFO L274 PluginConnector]: Witness Printer initialized
[2024-10-16 09:32:13,455 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:32:06" (3/4) ...
[2024-10-16 09:32:13,456 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample
[2024-10-16 09:32:13,517 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml
[2024-10-16 09:32:13,517 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-10-16 09:32:13,518 INFO L158 Benchmark]: Toolchain (without parser) took 8944.94ms. Allocated memory was 73.4MB in the beginning and 346.0MB in the end (delta: 272.6MB). Free memory was 39.1MB in the beginning and 242.8MB in the end (delta: -203.7MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB.
[2024-10-16 09:32:13,518 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-10-16 09:32:13,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 638.91ms. Allocated memory is still 73.4MB. Free memory was 38.9MB in the beginning and 29.1MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB.
[2024-10-16 09:32:13,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.03ms. Allocated memory is still 73.4MB. Free memory was 29.1MB in the beginning and 49.1MB in the end (delta: -19.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-10-16 09:32:13,519 INFO L158 Benchmark]: Boogie Preprocessor took 50.26ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 47.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-16 09:32:13,519 INFO L158 Benchmark]: RCFGBuilder took 884.16ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 47.0MB in the beginning and 40.8MB in the end (delta: 6.2MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB.
[2024-10-16 09:32:13,520 INFO L158 Benchmark]: TraceAbstraction took 7219.04ms. Allocated memory was 88.1MB in the beginning and 346.0MB in the end (delta: 257.9MB). Free memory was 39.3MB in the beginning and 247.0MB in the end (delta: -207.7MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB.
[2024-10-16 09:32:13,520 INFO L158 Benchmark]: Witness Printer took 63.45ms. Allocated memory is still 346.0MB. Free memory was 247.0MB in the beginning and 242.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-10-16 09:32:13,522 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 638.91ms. Allocated memory is still 73.4MB. Free memory was 38.9MB in the beginning and 29.1MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 80.03ms. Allocated memory is still 73.4MB. Free memory was 29.1MB in the beginning and 49.1MB in the end (delta: -19.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 50.26ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 47.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 884.16ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 47.0MB in the beginning and 40.8MB in the end (delta: 6.2MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 7219.04ms. Allocated memory was 88.1MB in the beginning and 346.0MB in the end (delta: 257.9MB). Free memory was 39.3MB in the beginning and 247.0MB in the end (delta: -207.7MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB.
* Witness Printer took 63.45ms. Allocated memory is still 346.0MB. Free memory was 247.0MB in the beginning and 242.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 162, independent: 153, independent conditional: 25, independent unconditional: 128, dependent: 9, dependent conditional: 3, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 158, independent: 153, independent conditional: 25, independent unconditional: 128, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 158, independent: 153, independent conditional: 25, independent unconditional: 128, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 158, independent: 153, independent conditional: 25, independent unconditional: 128, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 163, independent: 153, independent conditional: 25, independent unconditional: 128, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 163, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 163, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 133, independent: 128, independent conditional: 0, independent unconditional: 128, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 133, independent: 127, independent conditional: 0, independent unconditional: 127, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6135, independent: 83, independent conditional: 0, independent unconditional: 83, dependent: 6053, dependent conditional: 0, dependent unconditional: 6053, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 163, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 133, unknown conditional: 0, unknown unconditional: 133] , Statistics on independence cache: Total cache size (in pairs): 133, Positive cache size: 128, Positive conditional cache size: 0, Positive unconditional cache size: 128, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 25, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 163, independent: 153, independent conditional: 25, independent unconditional: 128, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 163, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 163, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 133, independent: 128, independent conditional: 0, independent unconditional: 128, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 133, independent: 127, independent conditional: 0, independent unconditional: 127, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6135, independent: 83, independent conditional: 0, independent unconditional: 83, dependent: 6053, dependent conditional: 0, dependent unconditional: 6053, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 163, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 133, unknown conditional: 0, unknown unconditional: 133] , Statistics on independence cache: Total cache size (in pairs): 133, Positive cache size: 128, Positive conditional cache size: 0, Positive unconditional cache size: 128, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 25 ], Independence queries for same thread: 4, Persistent sets #1 benchmarks: Persistent set computation time: 6.2s, Number of persistent set computation: 7, Number of trivial persistent sets: 4, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 133, independent: 128, independent conditional: 0, independent unconditional: 128, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 162, independent: 153, independent conditional: 25, independent unconditional: 128, dependent: 9, dependent conditional: 3, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 158, independent: 153, independent conditional: 25, independent unconditional: 128, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 158, independent: 153, independent conditional: 25, independent unconditional: 128, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 158, independent: 153, independent conditional: 25, independent unconditional: 128, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 163, independent: 153, independent conditional: 25, independent unconditional: 128, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 163, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 163, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 133, independent: 128, independent conditional: 0, independent unconditional: 128, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 133, independent: 127, independent conditional: 0, independent unconditional: 127, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6135, independent: 83, independent conditional: 0, independent unconditional: 83, dependent: 6053, dependent conditional: 0, dependent unconditional: 6053, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 163, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 133, unknown conditional: 0, unknown unconditional: 133] , Statistics on independence cache: Total cache size (in pairs): 133, Positive cache size: 128, Positive conditional cache size: 0, Positive unconditional cache size: 128, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 25, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 163, independent: 153, independent conditional: 25, independent unconditional: 128, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 163, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 163, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 133, independent: 128, independent conditional: 0, independent unconditional: 128, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 133, independent: 127, independent conditional: 0, independent unconditional: 127, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6135, independent: 83, independent conditional: 0, independent unconditional: 83, dependent: 6053, dependent conditional: 0, dependent unconditional: 6053, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 163, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 133, unknown conditional: 0, unknown unconditional: 133] , Statistics on independence cache: Total cache size (in pairs): 133, Positive cache size: 128, Positive conditional cache size: 0, Positive unconditional cache size: 128, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 25 ], Independence queries for same thread: 4
- CounterExampleResult [Line: 19]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L709] 0 int __unbuffered_cnt = 0;
[L711] 0 int __unbuffered_p0_EAX = 0;
[L713] 0 int __unbuffered_p1_EAX = 0;
[L715] 0 int __unbuffered_p1_EBX = 0;
[L716] 0 _Bool main$tmp_guard0;
[L717] 0 _Bool main$tmp_guard1;
[L719] 0 int x = 0;
[L721] 0 int y = 0;
[L722] 0 _Bool y$flush_delayed;
[L723] 0 int y$mem_tmp;
[L724] 0 _Bool y$r_buff0_thd0;
[L725] 0 _Bool y$r_buff0_thd1;
[L726] 0 _Bool y$r_buff0_thd2;
[L727] 0 _Bool y$r_buff1_thd0;
[L728] 0 _Bool y$r_buff1_thd1;
[L729] 0 _Bool y$r_buff1_thd2;
[L730] 0 _Bool y$read_delayed;
[L731] 0 int *y$read_delayed_var;
[L732] 0 int y$w_buff0;
[L733] 0 _Bool y$w_buff0_used;
[L734] 0 int y$w_buff1;
[L735] 0 _Bool y$w_buff1_used;
[L736] 0 _Bool weak$$choice0;
[L737] 0 _Bool weak$$choice2;
[L834] 0 pthread_t t1665;
[L835] FCALL, FORK 0 pthread_create(&t1665, ((void *)0), P0, ((void *)0))
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1665=-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]
[L836] 0 pthread_t t1666;
[L837] FCALL, FORK 0 pthread_create(&t1666, ((void *)0), P1, ((void *)0))
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1665=-1, t1666=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]
[L771] 2 y$w_buff1 = y$w_buff0
[L772] 2 y$w_buff0 = 1
[L773] 2 y$w_buff1_used = y$w_buff0_used
[L774] 2 y$w_buff0_used = (_Bool)1
[L775] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used))
[L19] COND FALSE 2 !(!expression)
[L775] RET 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used))
[L776] 2 y$r_buff1_thd0 = y$r_buff0_thd0
[L777] 2 y$r_buff1_thd1 = y$r_buff0_thd1
[L778] 2 y$r_buff1_thd2 = y$r_buff0_thd2
[L779] 2 y$r_buff0_thd2 = (_Bool)1
VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0]
[L782] 2 y$w_buff1 = y$w_buff0
[L783] 2 y$w_buff0 = 2
[L784] 2 y$w_buff1_used = y$w_buff0_used
[L785] 2 y$w_buff0_used = (_Bool)1
[L786] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used))
[L19] COND TRUE 2 !expression
[L19] 2 reach_error()
VAL [\old(arg)={0:0}, \old(expression)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, expression=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$w_buff1=1, y$w_buff1_used=1, y=0]
- UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P1Thread1of1ForFork0 with 1 thread instances
CFG has 5 procedures, 55 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 6.2s, 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, 0.3s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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: 0.2s, ConditionalCommutativityCheckTime: 0.2s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 2, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0
RESULT: Ultimate proved your program to be incorrect!
[2024-10-16 09:32:13,553 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 09:32:13,747 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...