/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk05/safe018_rmo.oepc.line954.bpl


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


This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m
[2022-10-20 04:31:35,951 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-10-20 04:31:36,030 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2022-10-20 04:31:36,059 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-20 04:31:36,060 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-20 04:31:36,060 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-20 04:31:36,060 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-20 04:31:36,061 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-20 04:31:36,062 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-20 04:31:36,063 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-20 04:31:36,063 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-20 04:31:36,063 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-20 04:31:36,064 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-20 04:31:36,064 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-20 04:31:36,064 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-20 04:31:36,064 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-20 04:31:36,065 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-20 04:31:36,065 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-20 04:31:36,065 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-20 04:31:36,065 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-20 04:31:36,065 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-20 04:31:36,065 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-20 04:31:36,065 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-20 04:31:36,065 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-20 04:31:36,065 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-20 04:31:36,065 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-20 04:31:36,066 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-10-20 04:31:36,066 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-20 04:31:36,066 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-20 04:31:36,066 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-20 04:31:36,066 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-20 04:31:36,066 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-20 04:31:36,066 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-20 04:31:36,066 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-20 04:31:36,066 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-20 04:31:36,067 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-10-20 04:31:36,067 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-20 04:31:36,067 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-10-20 04:31:36,067 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER
[2022-10-20 04:31:36,379 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-20 04:31:36,400 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-20 04:31:36,402 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-20 04:31:36,403 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-10-20 04:31:36,407 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-10-20 04:31:36,408 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk05/safe018_rmo.oepc.line954.bpl
[2022-10-20 04:31:36,409 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk05/safe018_rmo.oepc.line954.bpl'
[2022-10-20 04:31:36,454 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-20 04:31:36,456 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-10-20 04:31:36,457 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-20 04:31:36,458 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-20 04:31:36,458 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-20 04:31:36,467 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "safe018_rmo.oepc.line954.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 04:31:36" (1/1) ...
[2022-10-20 04:31:36,488 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "safe018_rmo.oepc.line954.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 04:31:36" (1/1) ...
[2022-10-20 04:31:36,510 INFO  L138                Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-10-20 04:31:36,511 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-20 04:31:36,512 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-20 04:31:36,512 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-20 04:31:36,512 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-20 04:31:36,518 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "safe018_rmo.oepc.line954.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 04:31:36" (1/1) ...
[2022-10-20 04:31:36,518 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "safe018_rmo.oepc.line954.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 04:31:36" (1/1) ...
[2022-10-20 04:31:36,526 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "safe018_rmo.oepc.line954.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 04:31:36" (1/1) ...
[2022-10-20 04:31:36,526 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "safe018_rmo.oepc.line954.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 04:31:36" (1/1) ...
[2022-10-20 04:31:36,540 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "safe018_rmo.oepc.line954.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 04:31:36" (1/1) ...
[2022-10-20 04:31:36,546 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "safe018_rmo.oepc.line954.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 04:31:36" (1/1) ...
[2022-10-20 04:31:36,549 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "safe018_rmo.oepc.line954.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 04:31:36" (1/1) ...
[2022-10-20 04:31:36,556 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-20 04:31:36,557 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-20 04:31:36,557 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-20 04:31:36,557 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-20 04:31:36,573 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "safe018_rmo.oepc.line954.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 04:31:36" (1/1) ...
[2022-10-20 04:31:36,591 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-20 04:31:36,598 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-20 04:31:36,611 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-10-20 04:31:36,632 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-10-20 04:31:36,654 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2022-10-20 04:31:36,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2022-10-20 04:31:36,654 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2022-10-20 04:31:36,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2022-10-20 04:31:36,654 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2022-10-20 04:31:36,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2022-10-20 04:31:36,655 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-20 04:31:36,655 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-20 04:31:36,657 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-10-20 04:31:36,816 INFO  L234             CfgBuilder]: Building ICFG
[2022-10-20 04:31:36,818 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-20 04:31:37,484 INFO  L275             CfgBuilder]: Performing block encoding
[2022-10-20 04:31:37,511 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-20 04:31:37,511 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-10-20 04:31:37,514 INFO  L202        PluginConnector]: Adding new model safe018_rmo.oepc.line954.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 04:31:37 BoogieIcfgContainer
[2022-10-20 04:31:37,515 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-20 04:31:37,520 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-20 04:31:37,520 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-20 04:31:37,522 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-20 04:31:37,522 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe018_rmo.oepc.line954.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 04:31:36" (1/2) ...
[2022-10-20 04:31:37,523 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aac0af9 and model type safe018_rmo.oepc.line954.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 04:31:37, skipping insertion in model container
[2022-10-20 04:31:37,523 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe018_rmo.oepc.line954.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 04:31:37" (2/2) ...
[2022-10-20 04:31:37,524 INFO  L112   eAbstractionObserver]: Analyzing ICFG safe018_rmo.oepc.line954.bpl
[2022-10-20 04:31:37,532 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-10-20 04:31:37,538 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-20 04:31:37,539 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-20 04:31:37,539 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-10-20 04:31:37,666 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-10-20 04:31:37,728 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-20 04:31:37,729 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-20 04:31:37,729 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-20 04:31:37,731 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-10-20 04:31:37,733 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-10-20 04:31:37,768 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-20 04:31:37,785 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ========
[2022-10-20 04:31:37,794 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@20bb08a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-20 04:31:37,794 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-20 04:31:37,879 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 04:31:37,884 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 04:31:37,885 INFO  L85        PathProgramCache]: Analyzing trace with hash -2130216298, now seen corresponding path program 1 times
[2022-10-20 04:31:37,893 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 04:31:37,893 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457963251]
[2022-10-20 04:31:37,894 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 04:31:37,894 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 04:31:38,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 04:31:38,215 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 04:31:38,215 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 04:31:38,216 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457963251]
[2022-10-20 04:31:38,216 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457963251] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 04:31:38,216 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 04:31:38,216 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-20 04:31:38,218 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449411485]
[2022-10-20 04:31:38,218 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 04:31:38,226 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-10-20 04:31:38,227 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 04:31:38,275 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-10-20 04:31:38,298 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-10-20 04:31:38,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:31:38,301 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 04:31:38,303 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 105.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-20 04:31:38,303 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:31:51,467 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:31:51,468 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-20 04:31:51,468 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 04:31:51,469 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 04:31:51,469 INFO  L85        PathProgramCache]: Analyzing trace with hash -2100884101, now seen corresponding path program 1 times
[2022-10-20 04:31:51,469 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 04:31:51,469 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955326140]
[2022-10-20 04:31:51,470 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 04:31:51,470 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 04:31:51,529 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 04:31:51,690 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 04:31:51,690 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 04:31:51,690 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955326140]
[2022-10-20 04:31:51,691 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955326140] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 04:31:51,691 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 04:31:51,692 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-20 04:31:51,692 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088540496]
[2022-10-20 04:31:51,692 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 04:31:51,694 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-20 04:31:51,694 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 04:31:51,695 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-20 04:31:51,695 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-20 04:31:51,695 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:31:51,697 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 04:31:51,697 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-20 04:31:51,697 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:31:51,697 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:31:59,521 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:31:59,522 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:31:59,522 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-10-20 04:31:59,531 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 04:31:59,531 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 04:31:59,532 INFO  L85        PathProgramCache]: Analyzing trace with hash 1448592175, now seen corresponding path program 1 times
[2022-10-20 04:31:59,532 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 04:31:59,532 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573924182]
[2022-10-20 04:31:59,532 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 04:31:59,532 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 04:31:59,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 04:31:59,769 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 04:31:59,770 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 04:31:59,770 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573924182]
[2022-10-20 04:31:59,770 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573924182] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 04:31:59,771 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 04:31:59,771 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-20 04:31:59,771 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177614574]
[2022-10-20 04:31:59,771 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 04:31:59,772 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-20 04:31:59,772 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 04:31:59,773 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-20 04:31:59,773 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-20 04:31:59,773 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:31:59,773 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 04:31:59,774 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-20 04:31:59,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:31:59,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:31:59,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:32:06,502 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:32:06,503 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:32:06,503 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:32:06,503 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-10-20 04:32:06,503 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 04:32:06,504 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 04:32:06,504 INFO  L85        PathProgramCache]: Analyzing trace with hash -1785556347, now seen corresponding path program 1 times
[2022-10-20 04:32:06,504 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 04:32:06,504 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698495130]
[2022-10-20 04:32:06,504 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 04:32:06,505 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 04:32:06,531 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 04:32:06,603 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 04:32:06,603 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 04:32:06,603 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698495130]
[2022-10-20 04:32:06,603 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698495130] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 04:32:06,603 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 04:32:06,604 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-20 04:32:06,604 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020017380]
[2022-10-20 04:32:06,606 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 04:32:06,607 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-20 04:32:06,607 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 04:32:06,608 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-20 04:32:06,608 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-20 04:32:06,610 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:32:06,611 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 04:32:06,612 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-20 04:32:06,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:32:06,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:32:06,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:32:06,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:32:14,020 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:32:14,020 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:32:14,020 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:32:14,020 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:32:14,021 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-10-20 04:32:14,021 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 04:32:14,021 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 04:32:14,021 INFO  L85        PathProgramCache]: Analyzing trace with hash -611606400, now seen corresponding path program 1 times
[2022-10-20 04:32:14,021 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 04:32:14,021 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528198019]
[2022-10-20 04:32:14,022 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 04:32:14,022 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 04:32:14,063 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 04:32:14,123 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 04:32:14,123 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 04:32:14,123 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528198019]
[2022-10-20 04:32:14,123 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528198019] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 04:32:14,123 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 04:32:14,123 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-20 04:32:14,124 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398501052]
[2022-10-20 04:32:14,124 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 04:32:14,124 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-20 04:32:14,124 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 04:32:14,125 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-20 04:32:14,125 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-20 04:32:14,125 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:32:14,125 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 04:32:14,125 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-20 04:32:14,125 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:32:14,125 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:32:14,125 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:32:14,125 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:32:14,125 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:32:20,856 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:32:20,856 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:32:20,856 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:32:20,856 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:32:20,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:32:20,857 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-10-20 04:32:20,858 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 04:32:20,858 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 04:32:20,858 INFO  L85        PathProgramCache]: Analyzing trace with hash -1501235437, now seen corresponding path program 1 times
[2022-10-20 04:32:20,858 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 04:32:20,858 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979940330]
[2022-10-20 04:32:20,858 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 04:32:20,859 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 04:32:20,892 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 04:32:20,965 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 04:32:20,965 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 04:32:20,965 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979940330]
[2022-10-20 04:32:20,966 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979940330] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 04:32:20,966 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 04:32:20,966 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-10-20 04:32:20,966 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686794655]
[2022-10-20 04:32:20,966 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 04:32:20,967 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-20 04:32:20,967 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 04:32:20,967 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-20 04:32:20,968 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-20 04:32:20,968 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:32:20,968 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 04:32:20,968 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-20 04:32:20,968 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:32:20,968 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:32:20,968 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:32:20,968 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:32:20,968 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:32:20,968 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:33:00,395 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:33:00,396 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:00,396 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:00,396 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:00,396 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:00,403 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 04:33:00,403 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-10-20 04:33:00,404 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 04:33:00,407 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 04:33:00,407 INFO  L85        PathProgramCache]: Analyzing trace with hash 318794451, now seen corresponding path program 2 times
[2022-10-20 04:33:00,407 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 04:33:00,408 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138660262]
[2022-10-20 04:33:00,408 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 04:33:00,408 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 04:33:00,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 04:33:00,611 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 04:33:00,611 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 04:33:00,611 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138660262]
[2022-10-20 04:33:00,611 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138660262] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 04:33:00,615 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 04:33:00,615 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-10-20 04:33:00,615 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597875949]
[2022-10-20 04:33:00,615 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 04:33:00,616 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-20 04:33:00,616 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 04:33:00,616 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-20 04:33:00,616 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-10-20 04:33:00,616 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:33:00,616 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 04:33:00,617 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-20 04:33:00,617 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:33:00,617 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:00,617 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:00,617 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:00,617 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:00,617 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 04:33:00,617 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:33:08,461 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:33:08,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:08,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:08,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:08,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:08,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 04:33:08,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-20 04:33:08,465 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-10-20 04:33:08,465 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 04:33:08,466 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 04:33:08,466 INFO  L85        PathProgramCache]: Analyzing trace with hash -1927796726, now seen corresponding path program 1 times
[2022-10-20 04:33:08,466 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 04:33:08,466 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605931087]
[2022-10-20 04:33:08,466 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 04:33:08,466 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 04:33:08,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 04:33:08,687 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 04:33:08,687 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 04:33:08,688 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605931087]
[2022-10-20 04:33:08,689 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605931087] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 04:33:08,689 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 04:33:08,689 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-10-20 04:33:08,689 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556750007]
[2022-10-20 04:33:08,689 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 04:33:08,689 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-10-20 04:33:08,689 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 04:33:08,690 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-10-20 04:33:08,690 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-10-20 04:33:08,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:33:08,690 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 04:33:08,690 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 49.166666666666664) internal successors, (295), 6 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-20 04:33:08,690 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:33:08,690 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:08,691 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:08,691 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:08,691 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:08,691 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 04:33:08,691 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-10-20 04:33:08,691 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:33:16,357 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:33:16,357 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:16,357 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:16,357 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:16,357 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:16,358 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 04:33:16,358 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-20 04:33:16,358 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-10-20 04:33:16,358 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-10-20 04:33:16,358 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 04:33:16,358 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 04:33:16,359 INFO  L85        PathProgramCache]: Analyzing trace with hash -1530105947, now seen corresponding path program 1 times
[2022-10-20 04:33:16,359 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 04:33:16,359 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759003010]
[2022-10-20 04:33:16,359 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 04:33:16,359 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 04:33:16,392 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 04:33:16,462 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 04:33:16,462 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 04:33:16,462 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759003010]
[2022-10-20 04:33:16,463 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759003010] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 04:33:16,463 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 04:33:16,463 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-10-20 04:33:16,463 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093715303]
[2022-10-20 04:33:16,463 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 04:33:16,463 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-10-20 04:33:16,464 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 04:33:16,464 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-10-20 04:33:16,464 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-10-20 04:33:16,464 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:33:16,464 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 04:33:16,465 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 49.166666666666664) internal successors, (295), 6 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-20 04:33:16,465 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:33:16,465 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:16,465 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:16,465 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:16,465 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:33:16,465 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 04:33:16,465 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-10-20 04:33:16,465 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2022-10-20 04:33:16,465 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:36:05,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:36:05,118 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:36:05,118 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:36:05,118 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:36:05,118 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:36:05,118 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 04:36:05,118 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-20 04:36:05,118 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-10-20 04:36:05,119 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-10-20 04:36:05,119 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-10-20 04:36:05,120 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 04:36:05,120 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 04:36:05,120 INFO  L85        PathProgramCache]: Analyzing trace with hash 887893586, now seen corresponding path program 1 times
[2022-10-20 04:36:05,120 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 04:36:05,120 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463567276]
[2022-10-20 04:36:05,120 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 04:36:05,121 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 04:36:05,188 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 04:36:05,469 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 04:36:05,469 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 04:36:05,472 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463567276]
[2022-10-20 04:36:05,472 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463567276] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 04:36:05,472 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 04:36:05,472 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-10-20 04:36:05,472 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744776140]
[2022-10-20 04:36:05,472 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 04:36:05,473 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-10-20 04:36:05,473 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 04:36:05,474 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-10-20 04:36:05,475 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-10-20 04:36:05,475 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:36:05,475 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 04:36:05,476 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 58.333333333333336) internal successors, (350), 6 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-20 04:36:05,476 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 04:36:05,476 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:36:05,476 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:36:05,476 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:36:05,476 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 04:36:05,476 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 04:36:05,476 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-10-20 04:36:05,476 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2022-10-20 04:36:05,476 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-10-20 04:36:05,476 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.